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- เผยแพร่เมื่อ 15 ก.ย. 2024
- Calculating proper air pressure in your motorhome tires is NOT a guessing game. It's science & math. It can prevent motorhome tire failure.
PSI is a formula that is calculated on your weight & your tire manufacturers tire charts & it's very important to know how to do the math. It's math every motorhome owner should be using to prevent motorhome tire accidents, tire failures & tire blowouts.
I’m going to share with you how you calculate the proper amount of air pressure (PSI) to put into your Motorhome Tires.
Odds are, many if not most Motorhome owners don't have the correct amount of air pressure in their Motorhome tires & that's when bad things happen. In this How-to Inflate Proper Air Pressure in Motorhome Tires • THE ULTIMATE GUIDE video, I’m going to explain this formula-in DETAIL-with a bunch of power tips. Before you know how to properly calculate the amount of air you put in your motorhome tires, you need to weigh your Motorhome.
This video should be taken seriously. It could save your life, keep you & those around you safe while on the highway, perhaps prevent thousands of dollars in damage from unnecessary tire mishaps or failures & give you a much better handling on the highway.
Check out my entire PLAYLIST page here:
/ rvstreet
Please...consider SUBSCRIBING to our Channel. It's FREE. It’s a great way to support us, our channel-and Martin-who is a “Purple Heart Veteran” 💜
If you’re interested in SmartWeigh that’s offered by Escapees, or if you’re interested in becoming a Escapees Member to handle all your full timing needs, including mail forwarding, residency, domicile and all that legal stuff you need to have in order call them @ 936-327-8873.
Escapees Smart Weigh - www.escapees.c...
💗 OUR AMAZON STORE 💗
FOR THE PRODUCTS WE USE & RECOMMEND IN ALL OUR VIDEOS
www.amazon.com...
💗 BUT THERE’S MORE:
EVEN IF WHAT YOU NEED IS NOT IN OUR AMAZON STORE, YOU CAN STILL CLICK OUR STORE LINK BELOW, THAT WILL TAKE YOU TO OUR STORE, SHOP AND SEARCH ON AMAZON LIKE YOU NORMALLY WOULD, PUT YOUR ITEMS IN THE CART AND CHECK OUT. Using our Amazon Store to buy your RV gear, parts, maintenance items “AND ANYTHING ELSE YOU NEED” is a great way to say "Thank You" Martin for making these videos and helping the RV community.
EVERYTHING I USED IN THIS VIDEO IS IN MY AMAZON STORE:
www.amazon.com...
HOWEVER, I'VE ALSO LISTED THE-INDIVIDUAL LINKS-TO THE PRODUCTS USED IN THIS VIDEO BELOW
• EEZTire TPMS. Just choose the number of Anti Theft Sensors you need. We have 10 sensors. You will love this Tire Monitoring System. So easy to set up, is flawlessly reliable and great customer service - amzn.to/3ebTNvf
• EEZTire TPMS Booster/Repeater (if you’re over 35’ in length and tow, you’ll need this too) - amzn.to/2OyqbNS
• EEZTire TPMS, CR1632 Lithium replacement batteries - amzn.to/3j4dbxA
EVEN THOUGH WE USE WHITE VINYL TIRE COVERS WHEN WE STAY AT PLACES FOR MORE THAN 3 or 4 DAYS, THIS IS THE NON PETROLEUM BASE TIRE DRESSING I USE ALL THE TIME.
• 303 Aerospace UV Protectant - Gal. (Save Money) - amzn.to/3eJWVzT
• 303 Aerospace UV Protectant - 32oz. - amzn.to/2xV1TZT
VIAIR AIR COMPRESSORS
• VIAIR 40045 400P Air Compressor - amzn.to/2ORvxUO
• VIAIR 450P-RV Silver Automatic Portable Compressor Kit - amzn.to/2WXiB4d
NOTE: I feel from a money and convenience perspective the 450P-RV is-probably-the better deal. Why? Because you get (2) 30' air hoses and a carrying bag that will hold them both. Plus if you expect to use yours more than 15 minutes at a time you're covered there too.
Now the 40045 400P isn't nothing to sneeze at by no means. It's the same unit I have now. It's really your choice. But either one will easily deliver the power what any RVer will need.
• Both of these VIAIR Air Compressors produce 150psi.
• If you want even more hose, you can buy an additional 30' VIAIR air hose here - amzn.to/39opRLq
DIGITAL AIR INFLATING GUN (This is the one I use. It's perfectly calibrated and I luv this inflation gun. The amount of air it puts into the tires matches exactly what my TPMS says)
• Astro Pneumatic Digital Tire Inflator Gun - amzn.to/390yCv0
DISCLAIMER:
We are in no way experts or professional mechanics. But being a journeyman millwright for years & being EX Military, has proven to be very helpful in my lifetime learning how to care for & maintain all sorts of machinery & equipment like: helicopters, airplanes, tanks, motorcycles & many types of other vehicles. That, along with 18 months preparing & upgrading our RV before we went full time, & now traveling for several years has gained us a lot of knowledge. Regardless of what we recommend, consult a professional if you're unsure about working on your RV. Work you perform or products you purchase based on any information we provide is at your own risk.
We sure miss him!!!
Thank you so much for the pain-staking detail in your videos.
Man, I miss you Martin.
See you on the other side.
I miss you, Martin.
Thank you for all you did for us by producing your videos.
♥️💔♥️
One thing I love about your videos is that you explain the details and the reasons for why you do what you do. This makes your information trustworthy. I really appreciate the care you take with your explanations.
I could not have said it best!! 🙌🏽
Thank you so much for your videos! My husband has learned so much from you. He doesn’t consider himself to be a handy man, but he is learning things that never occurred to him such as the information about tire pressures and RV weights. I appreciate y’all and all the information you’re giving us. Thanks again!!
This was perfect, thank you. I’m a single, 59 y/o old female and I trailer by myself. I like being self sufficient so I just bought a new air compressor and this video helped a lot as to how I should figure my tire pressure. Well done. Thank you!
Superb! This is the kind of information that saves not just tires, but lives.
Martin your my rv information go to.your the guru of rvs.Thanks
Who are the two people that disliked this video? What in this video is not to like? I mean it’s the most informative video I’ve ever seen on this topic.
The nerve of some folks geesh.
Martin THANK YOU THANK YOU
THANK YOU my friend. 🔧 😜
This is exactly what I’ve been looking for! Thanks for breaking down how to get my proper tire pressure. I’m going to feel much safer going down the road once I get this done. keep them coming.
Another great video, it is no wonder there are so many tires blowing out! Thanks again for adding knowledge, we need people like you teaching these very things, I watch every week now! Thanks again!
This video took care of a lot of my question on tire pressure for my newly purchased 2012 Tiffin Allegro Open Road. I can't say enought how valeable your videos are, thanks Martin!
Fantastic Martin. All of these how to (and why) vids are so useful and important. Thank you.
This is one of the most important videos you have provided. We have been in RVs since 1983 and had 3 RV, thanks to the instructions provided by Martin, we now have TPMS, weighed our coach, have proper tire pressure, just to name a few items. Thank you, Martin, we are very appreciative of all the efforts you and Joanie put into this for all of us.
Thank you David so much. It is indeed a "very important video". I wish it had more views so folks would be better prepared. This is just to important to ignore until something bad happens.
@@RVstreet Martin and Joanie, just a quick follow up. We just completed a drive from Riverside, CA to Rigby, ID, just under a thousand miles over three days. The confidence I had in just the tire pressure and temperature increased our overall enjoyment. In these days the temperatures outside were up to 107 and our rig performed flawlessly. 2002 Itasca, Sunova 27C. Thanks again, I have several more of your videos to add to my tasks on our motorhome. Keep up the great work. Dave Schaadt
@@daveschaadt9965 thx Dave. Good job 👍 🔧
I did not realize the amount of technical stuff that went with RVs. Thank you
You're welcome Stephen,
Think of it this way. RV's are-kinda like-big OTR truck hauling rigs. They are big, they weigh a lot and have a lot of systems integrated into them. RV's are not toys. All though many folks treat them that way. They are full blown homes on wheels that have a lot of control systems and they need to be maintained properly or bad things happen. This particular video you watched, sadly is something that most people don't even think about much, until of course.....something bad happens. Many treat their tires and air pressure like they did with their family car or truck. RV air pressure........is a whole different ball game.
thx for watching 👍
Oh, forgot to say this in my previous comment. This by far is the best DIY I have found to date. I'm sending this YT link to my sister. She's somewhat of a handywoman that could benefit from your videos. Thank you for your efforts to help us who just don't know.
You both can use MY PLAYLISTS too: th-cam.com/users/RVstreetplaylists
My YT home page: th-cam.com/users/RVstreet
GOOD STUFF! I've been practicing this discipline religiously on our rig.Last week did the first change out on the steer tires. Went from Michelins to Toyo. I liked the Michelins but went Toyo for the savings and good reviews. Boy they ride and handle great! Also installed Tyron Bands. Was a bit worried about recent news on other systems.Hope they work out, but also hope they are never needed. Thanks for your great work!
Thank you for providing me the link to this video, Martin. The former owner had the rig weighed (the paper is in the satchel of manuals he provided) so I"m going to use your method to calculate the tire psi before installing the TPMS system you recommended. I'll then load up my rig, as you suggest, and have it reweighed. Feeling more confident with each video I watch. Thanks again!
🙏
Great video, best I have watched on tire pressures. Learning what works best on our new to us 2015 Tiffin Allegro Open road 36LA. Watched the TPMS on our last trip closely as we went from below freezing temps in WI to 70's in Texas over several days. Started at 95 PSI cold in WI but ended up dropping to 90 PSI cold in warmer climate as PSI while driving crept up to 109. Goodyear 265/75 r22.5's all around.
load range "G" MAX pressure 110 on sidewall. Once we dropped the pressure we were running max 104 PSI warm. Cruise at 65MPH, we are on vacation, not in a hurry.Thanks for your detailed explanation!
Thank you again so much Martin! Terrific explanation for each step! Appreciate you spending the time on the "whys", it is great! I learn something with everyone of your videos!
Absolutely the best video on tire pressure! Thank you so much.
Thank you my friend.
Great video. Thanks for covering information that isn’t widely known, especially by newby RVers like me!
Glad it was helpful!
Great complete and accurate explanation, you do an excellent job. THANK YOU, I'll keep watching. THOMAS
Martin, I have asked this tire pressure question to an RV (Nuclear Engineer) friend expecting an answer like you just delivered. His response was like a deer in the head
lights because I knew (dugh) weight would influence tire pressure. YOU THE MAN THANKS!!!
Ya, this isn't nuclear science but math and equations do play a part. thx man. 😜 👍
Great video. I always learn a lot from your videos and appreciate how in depth you go and how well you explain what's going on. Thanks
Thank you, I did weigh my C Class 2 months back after having it for 3 years, then I reviewed my tire pressures, and learned the front could be less and the backs were correct. BUT, after watching this video I am again going to review all my info, and sketch and write it down like you have just so it is easier to review in the future. Thank you.
Very good video. I’ve been searching videos on proper inflation of tires on my class A and finally got to yours which is the most Informative video I’ve seen. Subscribed!
Glad to have you aboard Roger 🔧
I saw the title and thought “ Oh no, not another tire video. Martin must be running out of video material”. Boy was I wrong. I’ve read and seen a lot of videos but this is by far the best explanation. You knocked it out of the park Martin. So simple, so to the point. Now I have to find a place to get my 4 corners weighed. Thanks again for all your hard work on these videos.
(must be running our of video material)...now that's funny right there I don't care who you are. 😝
Joanie asked me that a couple of months ago. She said, "what happens when you run out of stuff to video"? I kinda laughed and replied, "honey we own an RV....I'll never run out of stuff to video.
What I truly need more of is time to do these video's.
@@RVstreet Very true. One thing I've learned in 25 yrs as self employed remodeler. There will never be a shortage of work for me as long as there are DIY'ers and crappy builders to create fixes for me. Tired of it though. Thankfully I retire next year and go on the road so I can fix crappy RV problems. At least you've paved the way for me!
@@ronlapierre5977 👍
I do appreciate very much all your videos. I have learned so much things since I have been watching them. I thank you very much. I am like you and I want to keep my motorhome in the best condition as possible. Keep doing your good work.
One of the best informative channels , appreciate all your videos , I’m taking a long trip on a Motorhome I purchased (3rd one ) and going from camper to Motorhome to a longer motorhome now . Taking all precautionary measures before I make this drive . Your videos are have been very much helpful / insightful .
I had bearing changed since it’s a 90 ford E350.
Oil change of course and thought to take the extra measure to change belts and hoses since we are reaching colder weather and prevent any possible Burst.
I have a 30ton bullet type jack and supporters , do have a spare , may get another spare . Purchasing tpms monitor system and doing another last check with mechanic .
Any other useful tips you recommend , all ears! But I am checking your other videos 🤙🏽
I'm sad to say that Martin passed away but he would be so pleased to know he has been helpful to you. He loved fixing things and helping people.
It sounds to me like you have all your bases covered and are ready for the road. Safe travels to you👍
It sounds to me like you have all your bases covered. Keep up the great work and safe travels to you👍
As always Martin you are so easy to follow and it makes me more aware and cautious of my surroundings and it’s great to know these things and it allows me to impress the wife too, Thanks as always.
Impressing the wife is important too. 😜
This is one of the best PSI requirement video I have ever seen and makes total sense. I too am very anal about my tires and monitoring them. I have a class C now, but just purchased a new class A and this is great information as a reminder. I never took into account the 5% rule which I will now. Thanks!!!!
Yep, 5% or 10%. That will account for ambient temp fluctuations.
Awesome every time i look at your videos I am amaze with your knowledge, Keep sending these Video. I have been R V foe 25 years and still Learning
Thank you Dave so much. We're all learning continuously. That's one thing about full time RVing, it keeps you on your toes and there's always new things everybody can learn including me. I find it rather exciting exploring new stuff.
Great information and I will use it.
Thank you again for the great information. We find your videos very helpful.
Take care and stay safe 🤗
I really needed to know this info. Once again, you have removed the cloud. Thank you. Loyal fan. 2001 Fleetwood
💗
Thank you so much for you quick response to my question. I will watch for your video on this as I won't be traveling again till sometime next year so I have lots of time.
My RV will just be sitting until then.
You are very much appreciated.
Thank you Laura 👍
Outstanding presentation!
This is the very best and accurate information available for RV tire pressure calculations. Great video Martin. Thank you.
Thank you so much Barry. I always try to be very thorough in our videos so folks have everything they need to make the right decisions. So glad you noticed and appreciated it. 💕
Morning Martin, Insurance companies should offer a discount if you have a Viair and TPMS system :) - you and Joanie should be on a TV show! another great, informative, educational, must watch video!
Thanks RV so much. 💕
Hello Martin! In anticipation of buying a Class A once I retired - I did last October - I have been following your Channel and watching your videos for at least the last couple of years. I thoroughly enjoy and get a LOT of solid information on RV care, upgrades, maintenance and repair from your videos! Well after MANY years thinking about the RV life, buying an RV it's about to happen; probably this coming weekend. And if there was ONE thing I have been fretting about for sometime is good tire upkeep and in particular getting tire pressures right - "Martinized" that is - per coach weight at each corner... And in this video you nailed it for me; your detailed calculation process once knowing your rig's weights in combination with the manufacturer's weight/PSI charts; and then specifically your point about putting the same pressure/PSI in each tire on the front; and same PSI on all tires on the rear axel; even if there is a difference from left to right as was the case on your rear axel. I have not seen or read any explanation as perfect as yours. Top of my list after taking possession of my new to me 2015 Tiffin Allegro RED beginning next week is 6 new tires - Michelin or Toyo; and then drive up to Escapees in Florida to get 4 point weights... I will then be able to move on with other mods and upgrades now that I understand the tire/PSI "mystery"... but naturally I will continue to watch your videos. Thank you Martin! And Happy Trails! Bob S, Wesley Chapel, FL
WOW...Bob what a nice comment. Thank you so much 👍
Ya, how to calculate proper tire PSI is a mystery to many folks. But your right, if you follow the instructions I outlined in this video you'll be spot on and no need to worry.
I'll bet you're really excited about getting your 2015 Tiffin Allegro RED this weekend. That's a really nice coach.
IMO....I'd go with Toyo's. I recently did a video on how I replaced all my tires with Toyo's. Maybe you saw it:
th-cam.com/video/zjVeal3qzb8/w-d-xo.html
Be sure to get a TPMS for this beautiful coach and your toad too if your dragging one:
th-cam.com/video/2kCXRbvtoYA/w-d-xo.html
www.amazon.com/shop/rvstreet
I'm really glad you're a fan of ours 💗
@@RVstreet Hi Martin…
You are very welcome! Happy to be a Fan! And yes I am very excited about joining the ranks of RVers like you and Ms. Joanie…. And yes, TPMS top of the purchase list… same as you: EEZ Tire TPMS…. You, the RV Geeks (John & Peter), and Changing Lanes (Chad) RV with Tito (Brian) are my go to guys; I pretty much do what you guys say :-). Ha! I DID see ur video on Toyo’s and because of that I’m strongly considering them… apparently Toyo does not make a 275.80R.22.5; Michelin has an “exclusive” on the 275 tire size? Plus they seem to be hard to get right now; whata surprise… so I’d have to go with 295s which I don’t believe would be a problem. Martin, I do have a semi-related question to tires; more about RV weights… so the coach I’m buying is a 2015 Tiffin Allegro RED… the GVWR is 29,500 and the GCWR is 33,000…. I want to tow dolly a Nissan Rogue; curb weight is 3421; tow dolly is 400 lbs… so total 3821 lbs…. Well if I add 3821 to GVWR of 29,500 I’m already over the GCWR of 33,000… thus allowing NO ROOM for passengers, fresh water, propane, or cargo!?!?!? This really scare me; what the heck am I missing? Please tell me I'm not calculating weights correctly. Thank you, Bob
@Bob Stache ya your not calculating it right. Your going to be fine.
So....your GVWR is 29,500. That is the GROSS amount you can load the coach up to. THEN...what's left over is your GCWR....
Gross combined weight ratio.
Let me give you a example of our coach and just apply this to yours.
My coach sits on a 22K GVWR chassis, it has 4,600 lbs. of CCC (cargo carrying capacity) with max weight while towing of 26K or GCWR.
That means when I bought the coach it was empty right? Just like yours will be. Now I start loading all my gear, clothes, people, pets, fuel etc. I can continue doing this-if I want to-until I reach a total 22K of weight sitting on the chassis. If I load it up to the max like this-which I don't do-that leaves me 4K max of weight to tow so I don't exceed my 26K GCWR.
Now let's say I want to tow a 5000 lb. truck.
Well in order to do that I have to shed off a 1,000lbs. of gear and get my chassis weight down to 21K instead of 22K.
Now in reality the way it is now I weigh in about 21,160 lbs. So I'm 840 lbs. BELOW my GVWR. My toad weighs 2800lbs. and I tow 4 down, so there is no hitch weight. Some my combined weight-my GCWR is 23,960, again well below my GCWR rating.
As it stands right now you don't even know what your coach weighs empty. You also should have a sticker in the coach usually by the drivers side chair that will tell you what your CCC is.
My guess is that once you load up your coach you'll be way below your GVWR of 29,500 and you'll have plenty of room to tow your car.
In short I could of just said this:
Just don't load your RV all the way to your max GVWR of 29,500 and you'll be fine.
I have a video coming out April 9th that will show you how to do a 4 corner weigh on a CAT scale. Once you watch that video it will explain more OR maybe you could go do a CAT scale scale weigh and see where you are before or as your are loading up the RV and just see where where you are before your totally loaded up and go to escapees for a final weigh.
@@RVstreet Hello again Martin, sorry for delayed reply... I should have provided you both the UVW (Unloaded Vehicle Weight) of 26,599 (which includes full fuel, engine oil and coolant), and the CCC Computation as provided by Tiffin of 1,338 lbs, that includes or accounts for 100 gals of fresh water, full propane tank, and 4 persons @ 154 lb/person.
And then this morning I had a revelation after reading your remark "I tow 4 down, so there is no hitch weight" and comment on the Tiffin weight plate "towed vehicle TONGUE weight will reduce CCC". So I don't count the total weight of my tow dolly and toad in the CCC Computation as I was doing, no no no... JUST the Tongue Weight! which I'm calculating at between 380 and 570 lbs... which leaves me a CCC Balance of between 768 and 958 lbs; not really much... but I think I can squeeze out some more CCC by carrying less fresh water, less propane, and realistically assuming only 2 rather then 4 passengers... So I won't know for sure my tongue weight until I have my tow dolly & toad setup and get it weighed...
Assuming I have this all right I too now think I will be "ok"... Thank you for your explanation; you helped me see the light! Happy Trails Martin! Bob S.
P.S. just got word from the Seller that he's received a "clear" Title (his loan paid off by me; so lien has been removed) from the FL DMV, so I will be closing the deal on my new to me Tiffin this coming Saturday... Woohoo!
@@gerbobpaul2 Ya you don't need to be carrying 100 gallons of water. That alone is 830 lbs. Carry 1/3 of tank instead. And yeah 2 people instead of 4, those two things right there you just added 854 lbs. to your CCC. If you decide to tow 4 down-which I highly recommend if you can-that's another 300-500 lbs. more you can add to CCC. So ya I agree, I think you'll be just fine.
Maybe go to a CAT scale when you take possession and just get both axle weights to get the real dry weight and then after loaded up get your 4 corner weigh to see where you really are and how your weight is distributed and the final information you need to air up your tires properly.
What a great demonstration and instruction!!! Thank you!!!
Your attention to detail is impeccable Martin. Great video! I can only imagine how many people out there driving around with out a clue.
Studies show that 6 out of 10 RVer's out on the road are over loaded. Scary isn't it? No wonder youtube is filled with RV accidents and mishaps. Just imagine how many were not caught on a dash cam. 😢
@@RVstreet Yes it is. I'm a truck driver by day, and I've seen a few. Now that I have a tt my biggest concern was the weights and tires, and now that I do have one I'm paying more attention to them on the road, and I must say there are a lot of mixed match combinations out there. Safe travels sir, thank you for your knowledge.
Just to clarify, this video is for motorhomes because of the their characteristics, weight distribution and most all have dually's on the back. I'm not well versed in calculating air pressure for TT's but I do know that procedure is somewhat different, so be sure to research your situation.
thx again JM 👍
Thanks Martin! Definitely getting George weighed this week...in the meantime, I am using the suggested pressure that’s on my driver’s side wall. It says 100 lbs in all 4 tires so maybe that’s one of the differences in a 22,000 lbs and a 24,000 lbs chassis. What does your wall plaque say? I have Michelin’s all the way around George and that’s the brand I recommend...what do you recommend 😂😂😂 Just kidding! Another great and informative video! Hi Joanie 😊
My placard says 90PSI. But as you can see, if I used that as my starting point by the time I used the pressure formula, my tires would be way over inflated and our ride would be horrible.
Great Video, I am now completely Martinized!!
Ride on! Ride on! Ride on! 👁👄👁
Very Professionally done video! Thanks Martin. Although the OD of the tires are probably the same, why did you buy different size tires for the rear? Availability? Respectfully, Kevin
I wanted Toyo "H" rated tires on the back.
Martin. Question: What if I cannot get motorhome weights on 4 corner tire positions. And can only get a front axle and rear axle position weights? Do I just divide those 2 position weights each by 2, to get front tire weight for inflation psi and the rear weight by 2 to get rear tire weight for inflation psi?
Where I am located it is very difficult if not impossible to get 4 corner weights. I am pretty limited to CAT scales at truck stops.
Back again with another question. If your dual tires require an higher pressure setting then the fronts would you set your fronts to match the rear tire pressure? Thanks again Martin for making your channel easy to understand.
NO. All 4 rear tires should be the same PSI and that is calculated by starting with the one rear tire that is carrying the most weight. The front is done the same way. For example, right now with my current weight I'm running 85 in the front and 90 in the back. Now in some instances all 6 tires COULD be running the same PSI, just depends on what your weight and weight distribution is. There have been times where I added more weight towards the front of the RV therefore I have been known to run 90 all the way around.
So in summary, all 4 tires in the back should have the same PSI according to your weight and the front 2 tires should be the same accordingly to your weight.
Thanks for the info a very detailed information. Appreciate the time and explanation you have done...thank you again.
My coach is similar to yours but I just run 80 psi like it says by the driver door. But I don't drive it much and not very far at all. I also try not to carry much weight. I keep my fresh water low and don't fill up my gas tank more than a little over half. I guess I should get it weighed to do it right. Right now I'm trying to figure out how to check the hydraulic jack fluid as I'm getting the popping sounds at night when it gets cold. I found the spot to check it but it looks like a pretty big socket I need. Not sure I have it. Couldn't get it off with my hands. I'm a newbie for sure and there is so much to learn it's a little intimidating. I don't want to pay an RV place for every little thing either so I must learn everything myself. Thanks for making these video's. Sucks that they charge so much for little maintenance stuff. Must be good business for them. No disrespect intended but you have a nice looking wife....and I'm a younger guy. lol Thanks again for the great info!
Feeling intimidated is a natural feeling at first because it's all new. But that's why we're here sharing with everyone all these step-by-step DIY vids. Consider it just a another adventure. Most all of you can do 90% of these things. Just get the right tools, be patient, learn, take notes, keep records, gain knowledge, knowledge is power and over time it will build confidence, know how, the ability to be independent and fix most things your selves and save you a ton of money over time. Once you learn......pay forward and share with others.
thx YT for watching 🙏
@@RVstreet thanks so very much. I plan to do just that. It's been fun so far. I'll keep watching. Good stuff!
@@HiHello-ku1fl 🔧💗
Road side assistance - whome do you use need to know! BTW I'm an electrical engineer for more than 30+ years but anew to RV's great stuff - I hope to contribute soon as I get up to speed and BTW hope to meet you some day -this is great stuff!
coach-net.com/
@@RVstreet That's great! That's what I went with - glad to know I picked the right one from someone that's experienced!
This was a great educational video Thank you!! This was great and just the information that I needed!
Nice video, keep them coming. Note, my tires are nitrogen filled.
Some really great info here! I appreciate the time you took to explain things!
Thanks, very informative, great job!
Great info. The DOT 4 digit number is date of tire. First 2 numbers is the week in that year the tire was made. The second 2 numbers are the year the tire was made. If you exceed 26,000 pounds, you (the driver) are required to have a CDL (commercial drivers license). If you are using 22.5 tires, you can buy wheel balancers that look like a hub cap that fits being the wheel that has steel balls and oil in them. They are a little pricy, but I believe are guaranteed for life. Cat scales do axle weight not tire weight. I have driven tractor trailers for 29 years and have never seen a tire cat scale. But you are rite about the Escapees having a wheel scale. And yes it is well worth the money ($40)
Yes those wheel balancers are called Centramatic Rings/Balancers and we have those all the way around on our coach. I love those things. Keeps your tires perfectly balanced and it's a one time purchase. BTW... Centramatic Rings are now available for RV's, heavy duty and light trucks, trailers and even motorcycles.
On the CAT scales...I read recently it is CAT policy to not do one side weighs and that is why they are making it harder to only get one side on the scale. Some locations are now adding guard rails alongside the scales. But some locations still let you IF they don't have guard rails. I have found that it just depends on each locations manager. But the way you do a 4 corner weigh is run one side of the motorhome on one side of the CAT scale and get that side front and rear weights. Then back up and put the other side of the motorhome on the other side of the scale and get those front & rear weights. Then do a front and rear axle weigh just to have that added info. It's not as accurate as Escapees for sure but will do in a pinch if that location will let you do it. When we first got our motorhome 4 years ago that's what we did at a Flying J.
For those of you reading this post, there are other places in your area that can offer a 4 corner weigh like for example, sometimes a local building supply. But this is why I didn't go into all the weighing aspects in this video. There's to many variables/options and requires it's own video. Comprehensive instructions and information for weighing is already out there.
thx for your input Joe. 👍
@@RVstreet I never even thought of that. Now that I think about it, Sunshine truck stop on I-95 Florida / Georgia line used to have a axle scale. That would have been good for corner weights. 👍👍
Thanks very much Martin! We are picking up our 2003 cream puff in June and will be using many of your maintenance videos for various things on our coach. Thanks again! Doug & Karen
This is the second video of yours I have watched. I am thinking about getting a travel trailer so I have been surfing for info. I probably will be traveling by myself. So I'm trying to figure out whether I will be able to do all the things that may come up when you traveling. Sorry so long winded but your videos are thorough and explained well for a beginner. Great Job.
You can do them but you have to continue learning and have the tools. Living in an RV is NOTHING like living in a bricks & sticks house. Don't let it overwhelm you. Take it one step at a time and address the important things first, like your water, your tires, a TPMS and start getting your basic tools together. It'll all come together in time. And as it's coming together have a great time on road. 💕💕
Damn - I know you likely get a kick-back and well deserved witht eh info you provide - wish I knew about it sooner just spent about 4K in upgrades and would have done so through YOU my friend I'm a pro-business guy - sorry everything is being delivered today and tomorrow so too late to cahnge - I will from now on however. Thank you for the info really great stuff!
Not kick backs per se', but I'm an Amazon Influencer, so I earn a few pennies from sales from my Amazon Store. So my store makes it real easy for RVer's not have to hunt for the stuff they really need.
@@RVstreet True that - I'll be sure to go through you first!
Again...Great video!
This was an awesome video, what about those of us with a 5th wheel with 2 tires on each side? Help… just want to be safe.
Thanks J,
To calculate your proper tire PSI is done pretty much the same way.
The only SAFE way is to take your fully loaded rig to a truck scale and weigh it. Then inflate to what the tire manufacturer suggests for the heavier side on both sides of the axle.
You should NEVER use less tire pressure than what is recommended on the tire placard.
I don’t know what kind of tires you have, but it is also important to note that many ST tire manufacturers require their tires to be aired to full sidewall pressures. That information will be in the tire’s warranty package.
Quick tire contact test:
Take a piece of thick sidewalk chalk
Run a stripe across face of thread, side to side on each tire
Then drive rig forward about 25' and check chalk mark
Chalk rubbed off in center - psi too high
Chalk rubbed off on edges - psi too low
Chalk rubbed of evenly - psi close enough
Always fill tires at proper pressure when tires are cold. ALWAYS run with a TPMS on ALL TIRES so you can monitor them from the cab of your truck. NEVER exceed the speed rating of your tires.
Here's a link to everything you could ever want to know about tires.
www.rvtiresafety.net
Thank you very much, I always learn so much from your videos.
I've watched this video twice. Thank you. 2001Fleetwood
I wish more people would do what you did. This information is so important.
thx Joe AGAIN. 👍
The tire date for the front wheels would be the 20th week of 2016. I was unaware that charts like this are available. I'm beginning to realize that there is a lot of responsibilities at owning an RV and running it safely.
The tire pressure label (located on the driver's side door jam) on my 1981 is unreadable.
You need to do a 4 corner weigh on your coach anyways to determine what PSI you should be running. Watch this video. It will help.
th-cam.com/video/VMnX2OgCuok/w-d-xo.html
All my videos: th-cam.com/users/RVstreetplaylists
Hey man that was a lot of good information. Thanks
Thanks Steve. This was probably one of the most important videos for Motorhome owners I've ever done. 👍
wow. This is some detailed info. Thanks so much for this.
Glad it was helpful Jay. 👍
Hi Martin,
Very detailed and complete explanation! Good work!
I have a question with respect to the tire pressure specified by the motorhome manufacturer.
Isn't this pressure computed to accomodate the heaviest weight that the motorhome can carry? In your case, does the calculations come with a higher number than what the motorhome manufacturer specifies?
Thanks again!
I'm sad to say that Martin has passed away and I don't have the answer to your question. Sorry
I have a Cummins 8000 K ONAN generator too. Your videos are for gas. How compatible are your videos for my diesel generator?
Quite compatible. Your still going to have many of the same service items I showed and then some others.
I really appreciate your videos and try to use your store. I understand how important all of this is. The one thing I don't understand is if you set everything completely full and weigh coach .Then you use water , gas and propane , wouldn't your tire pressure be too high? Isn't that also a concern?
It's not a concern. Here's why....
Under inflation is where you can really get into trouble. The coaches weight is always going to be changing. Adding fuel, burning fuel, adding water, using water, buying groceries, using groceries. It's called weight creep. It will eb and flow. But all in all it will average out. You want to set your PSI to when it's the highest weight and use the most loaded tire as your starting point.
I mean just look at your tire PSI charts. Your coach could easily change weight of 500 - 800lbs. But the amount of PSI for that difference is not that much.
Joanie & I usually carry with us about 1/3 of a tank of water with us. Maybe 1/2 tank sometimes. But normally there just isn't any reason to carry 800 lbs of water with us going down the highway. But lets just say we were going to carry that much, it would be unusual and I'd add a few lbs. of air in that case. But I don't do that.
I know what my coach weighs and I set the PSI once in the spring and I may change it one more time in the late fall if it starts to get cold and my pressure starts to go down some. That's it.
All excellent advise!
Great video! Thank you for your help. Very informative. I have screen shot my tire pressure chart from the manufacturer. And put a note in my phone for the easy math. I will be getting a TPMS put on my rig. Along with your help. Plus I'm buying a 6 new tires. So I'll know the history of these tires going forward.
Safe travels and thanx again! Joni and Vinnie
ThanK You Vince 🔧 👍
I'd like to highly suggest the TPMS that I use. I explain why here: th-cam.com/video/2kCXRbvtoYA/w-d-xo.html
Using the right TPMS is a very important item to have. If your interested, the one I use is in my Amazon Store. Not a sales pitch, just want to make sure your readings are accurate, keeps you safe, and you get good customer service if you need it.
www.amazon.com/shop/rvstreet
In the "Tires, Engine and Chassis Care" category.
If you have any other questions don't hesitate to ask me either here or on my FB page. 👍
@@RVstreet well it seems I'm having a hard time finding a scale that weighs each corner. I mean I can go to a cat scale. But I think it only reads front and rear.
@@RVstreet oh and thank you by the way lol
@@RVstreet I checked the TPMS. Looks like I won't need the metal valve stems? . . . But I will read more into your suggestion tonight. Price isn't bad. I just had a blow out a month ago. Inside rear. Class C. Went from my home in Central Florida to northwest Indiana. Had my tires checked by a Goodyear dealer before I headed back. And they set all my tires. And I still had a blow out. Luckily it handled fine with only one rear down. So, new tires and TPMS. After all the damages are fixed. . . Which may be a while. . . Oh I subscribed to your channel. Lots of great info.
@@RVstreet I have the same compressor.
At around the 6 minute mark I noticed the stripping decals on your coach (only because I working on mine). The dark brown line breaks at a vertical trim point where the other 2 lines cover the vertical trim point. I wonder why they would do that at the factory?
Who knows 😎
Great video!
Thank you! I’ve seen air pressure vids in the past but this one leaves no questions. A great help!
Now which video shows the sewer hose storage? I have 4 valves/2 stations and this Rubbermaid tub just ain’t cutting it. Lol. Enjoy your Maine summer!
🙏
You are AWESOME!
You too!!
Great video! Easy to follow. Would you please do the same type a breakdown for towing a car.
When you read or watch how to properly weigh your coach that should be covered. If you're towing 4 down nothing changes. You're just dragging the toad behind you. There is no additional weight added. Towing 4 down will only affect your GCWR. 👍
Thank you for doing your videos !
I'm a full-time Rver with very little maintenance experience. One pain in my side has been the exterior water connection in the Wet Bin. I can't stop it from dripping water. I managed to get it tight enough once that it didn't leak for a few months. Now it's leaking again. I've looked at it and it has two points of connection. The first is the water hose from the water spigot. The second is behind a metal plate. I can reach it and feel a plastic tightener with grip tabs on it. I've tightened it as much as I can but still leaks some. How can I make this a simpler connection that won't leak?
Change the rubber washers inside the hose connectors on the RV and then put quick disconnects on your hoses and the RV connectors in the wet bay. No need to be fussing with your water and hoses all the time. *Be sure to watch some of my water videos in the PLAYLIST link I just sent you in other questions you asked*
My brass quick disconnects are the best on the planet. Everything else is junk, will leak and crack. I have them in my Amazon Store in the "Everything Water & Sewer" category: www.amazon.com/shop/rvstreet
Always love your videos and learn so much.
I have a question, how do you feel about valve stem extenders for the inside rear tire on dullies? It's always so hard to reach when having to add air.
I have no problem with metal extensions. In fact I've been running them now for 5yrs. and just had 6 new tires put on last Friday along with all new stems and 2 extensions. My extensions are 5.5" long. I also installed a rubber grommet in one of the holes on rear dually aluminum rim to firmly hold the stem in place. I'll be releasing a video on this new tires install later on.
I have heard of coachers fill tires, especially rear, to different PSI based on the corner weight.... what are the thoughts on that approach?
If your weight is way different on the back tires that is very reasonable to do
I set my tire pressure at 100 psi based on 4 corner RV weight.
Should I adjust the cold pressure setting back to 100 psi in summer after setting it to 100 psi in winter?
Thanks for all your great tips and FYI's
Yes.
Once it starts to warm up you'll find that sweet spot for spring, summer, fall temps. That's why you add that 5 - 10lb buffer to accommodate ambient temp swings. But once winter hits you'll have to make another adjustment all the way around. I change my cold pressure PSI twice a year.
@@RVstreet Thanks
Martin, I love your videos! But I have a question. I am looking for valve stem extension brackets to hold the extensions for my 22.5" dually wheels on the back of my MH. I find it hard to inflate the tires if the valve stem extensions (if you have them) are not held by some type of bracket. I am curious what you have come up with or what you do. The setups I have found online only work for wheels up to 19.5".
Hi Ken,
It’s funny you asked this question b/c I’m releasing a tire video this Sunday night where I cover this and more. I don’t use brackets. I use rubber grommets in the holes on the rim to hold and keep tight my extensions. They are really tough to find but I finally have them in my Amazon Store. They fit the same size rims I have. There in the “Tires, Engine and Chassis Care” category. There a little pricey but well worth the money. They unfortunately also come with the extensions. Just don’t use those. Just press these grommets in the holes on your outside dually’s, the extension comes through them, then attach your TPMS sensor.
www.amazon.com/shop/rvstreet
I cant find your Amazon store link and all the recommended stuff to maintain my motor home from dry rub to cleaning products.
The link is in the description text under every video. If you have trouble finding the description text watch this video. It will show you all kinds of tips to help make your YT experience better: th-cam.com/video/bprAsHO7-F8/w-d-xo.html
Here's the link to my store: www.amazon.com/shop/rvstreet
thx John 👍
Until I get a four-corner weigh as a starting point I am thinking I should base my Tire Pressure calculation based on the GAWR of my coach. I have gotten a Cat Scale weight, so I know I am well under the GAWR for my coach. Unfortunately, all the cat scales in my area have rails or curbs that prevent weighing individual wheels. I would use my GAWR for each axle divide by 2 add 10% and use that weight to find the tire pressure. I understand that this will likely have the tires over inflated for the actual weight carried but, I would much prefer a slightly harder ride than risk tire damage from underinflation. Am I thinking this through correctly?
Yes in a pinch that would be better than running under inflated for sure BUT....just be aware running over inflated is not good either. A little over is OK but the way you're calculating it it's only guessing. Also calculating that way will NOT show you the heaviest corner so you won't be able to know your weight distribution either.
Thanks for sharing
Martin , Funny enough MAXIS tyres in Australia have some form of retardation , They have no contact number and there website has no weight / pressure information , I wish i knew this before purchasing They were not cheap ,,, The guy in the tyre shop said just use the Michelin chart ,,,, Yeah sure mate , Anyhow great vid buddy
Great info well explained .... as usual!
Question:
If I am only able to get front/rear axle weights, to get a "ballpark number" for the for the single tire formula, could I divide the axle weight by 2 for the front and by 4 (dully axle) for the rear?
Yes you could BUT.....just think about it. What if you have a heavy side like I showed you we did. Most coaches will always have a heavy corner and that's the info you need to accurately calculate the proper PSI for all tires on that axle. If you ball park it.....well....it's ball parked. I would find a scale that I could pull up on and weigh the front and back drivers side dually's on one half of the coach, then back up and do the same for the right front and rear. That's another way you can get a 4 corner weigh. For me....this is to important to rely on axle weights. To much room for error.
Hi Martin,
Thank you for the thorough video on proper inflation. I'm using a travel trailer and will be looking for a way to get at least Left and Right weights so I can plan for the max side load on my tandem axle TT.
Any other special differences for doing this evaluation on a TT ?
Again, many thanks for the training on the right way to evaluate inflation needs!!
This video is for motorhome tires because of the characteristics of a motorhome, how loads can vary, most have dually's in the back etc. I do know TT tires are different because of the way your axles and loads are plus you use totally different kind of tires. I'm not well versed in TT tires, load capacities etc. So I'd look into how to properly inflate your TT tires.
Perfect timing for me! My RV is a big Class A with Tag axles. I had it weighted on...well 6 corners. Could you do an update for such a case. Plus: there are 11 batteries (@68 pounds each) on the back axle passenger side. Do I still make no difference and share the weight on both sides?
Richard
Just north of Maine
All tires on each axle should share the same PSI. If you don't you'll have uneven tire wear plus one side will run hotter than the other and excessive heat is ONE of the things that hurts tires. Always use the heaviest side to calculate from. WOW, 11 batteries.
What type of air compressor do you use for your coach? I’ve tried home type. They seem to get hot and stop working.
Thanks for your question Charles 👍
Here's a complete video on what I use and why. This is the best air compressor on the market for any RV.
th-cam.com/video/2kCXRbvtoYA/w-d-xo.html
Everything I show in this video is in my Amazon Store in the " Tires, Engine and Chassis Care" category.
www.amazon.com/shop/rvstreet
If your interested I have more really good videos on my PLAYLIST page:
th-cam.com/users/RVstreetplaylists
We just bought a used 2006 Winnebago Voyage. We have had a couple other MH's. The ride back to our house down Interstate 5 from LA to San Diego was so rough and bumpy with the seams in the Hyway every 10 ft. It has new tires and nothing in it. Could that bumpiness be from the tires being over inflated. Any other suggestions for calming down the ride??? It was like being on a massager it was so bumpy. Thanks for any help!
That's why we haven't been to the CA yet. Terrible.
But to your question: You have a gas MH like me. The chassis sits on leaf springs.I know exactly what you're talking about. Over inflated tires certainly can contribute to a rough ride but theres a lot more to it than that.
Watch this video AND read all the comments: th-cam.com/video/PceY3hcsJSk/w-d-xo.html
Here's all my videos: th-cam.com/users/RVstreetplaylists
My Amazon Store: www.amazon.com/shop/rvstreet
I looked at my sticker by the drivers seat for my F53 chassis and it confused me on gross weights. It says the front Axle has a gross of 8,000 and the rear is 15,000 and the GVWR is 22,000. Why is there a 1,000 pound difference between the total of the two axles and the GVWR?
Because you don't take the front axle capacity and the rear axle capacity, add them together to come up with your GVWR. Your coach-like mine-has a total GVWR of 22K. That 22K can be divided between the 2 axles but never exceeding the limit of either one of them. If you loaded up your coach where you maxed out the capacity of both axles, you would be 1K over weight.
Hi Martin. Thanks for all the detailed information.. Wonder if you could advice: I am about 50 miles to "SmartWeigh "here in Florida. I have just purchased my 2015 Fleetwood Bounder (Private sale ,July 2022) . To drive the RV to have it weighed, I am wondering what pressures I should use . I am not a full timer and being its new to me i will not have much loaded . If this all makes sense ,how should I go about figuring out what pressures i should use for the trip to and from SmartWeigh !! Thank you.
Fill tires to 90psi to go to Smartweigh. You'll be fine.
But I must say, if you're going to Smartweigh-or any method of weighing for that matter-you really need to have your RV totally loaded with what you would be carrying on any given trip. Full propane, full fuel tank, 1/3 tank of fresh water, all your camping gear, all your tools, all people & pets, everything....and so on. Then weigh. That will tell you the true numbers of your 4 corner weigh and then from there you can calculate the proper PSI. Make sure both tires are filled to the same PSI as well as all 4 dually's. The front tires may be different from the dually's but sometimes there are the same. For me.....I run 90psi all the way around according to my weight.
@@RVstreet Thank you
What happens after you've been boon docking for a week you freshwater is gone and you've offloaded waste do you then un-inflate the tires to downgrade the pressure?
If you've been boon docking and now you have no fresh water and now you off load your grey water. your more than likely going to fill up your fresh water again. Your out of water. So the load and your weight stays the same or pretty darn close. If you don't fill up your fresh water again then yes, you would want to readjust your air pressure. AND...as I outlined, you always fill your tires to the correct PSI according to your weight and your tire manufacturers tire charts.
I wish you would use a truck with a gooseneck trailer as an example..
You already rounded up to the next column...why would you then add 5% and go up again? By taking your weight and finding the psi...then just adding 5psi. Your doing it 2x. What's the reason for that.
Very good
On the side of the tires it specifics max cold psi and not max hot psi..let me know if I am wrong..thanks ..Manley
You'd have to check with your tire manufacturer on what that means for your tires. I couldn't confidently make a blanket statement for all tire manufacturers.
@@RVstreet that's what mine says on the tire.
..just not a max pressure but a cold psi..thanks for the answer..I am retired truck driver and do watch my coach tire very close..loved you video..thanks
Thank you for the Good info... Do you carry a spare tire on board?
No.
You da man!!!
I would like to know what kind of toad braking system your using. I have brake buddy and plan on changing to either ready brute with surge brake or Demco sbs.
If you’ll go to our main YT Channel page and click PLAYLISTS, then on that page click “RV Motorhome Upgrades, Maintenance and DIY How-To’s” there’s already a wealth of information there. In that PLAYLIST I covered our ReadyBrute Elie Towing System with a surge brake along with other things. Look for this video:
Want to Travel Full Time in your RV? Be prepared (Part 1)
BTW...it's a snap to hook up our toad with this. My wife & I hook it up as a team. You can actually watch us-in time lapse-hooking it up in this video:
th-cam.com/video/I8Pf1YtKep4/w-d-xo.html
Thx Charles 👍