My What's Broken? Series #1: Timing Belts-vs-Chains! CAR WIZARD explains why the huge bill
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- เผยแพร่เมื่อ 24 เม.ย. 2023
- New series that explains what specific repairs are, why they cost what they do and what it takes to make the repair. This first episode in this series the CAR WIZARD 🧙♂️ focuses on Timing Belts and Timing Chains.
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THANK YOU Car Wizard! I have learned so much watching your channel over the years. I'm not an auto mechanic, I actually have a meteorology degree and teach middle school science. But I love to tinker and explore "how things work," and this series is perfect.
Love to hear science is still taught in the US - when I hear of all these crazy flat earthers denying all of science - and invariably being absolutely unable to work with numbers, with formulas, or have the ability to imagine 3-dimensional correlations or analyze in their head a "when this is so, then what are the consequences scenario?"
I think the most important thing to bring over to kids is that physics (or chemistry or biology or...) is not something theoretical where you learn the answers by heart to get the grades, but is something that is connected with your life, what you can use, what applies in everyday life. Often experiences you make in everyday life put into numbers.
That when you hang soggy pants on a washing line, why it sags through most when you put it in the middle and way less when put at the sides is the parallel of forces you can draw out on a sheet of paper.
Or how forces add up to resulting forces - for my gravity denying flat earthers how gravity and centrifugal forces combine, taking a bucket with water on a string and swing it, you can create a flat water surface in the bucket that is oriented in any kind of direction compared to the flat water surface outside the swirled bucket, including upside down. Just one force (centrifugal force) more dominant than the other, that is all it needs. Water conforms it shape and surface orientation to the forces at work. Be it gravity, centrifugal force, cohesion, adhesion, air resistance for falling drops, all combines.
Sorry to interfere in your work, but maybe that gives one idea or two.
I have a friend that was a meteorologist, too, who went on an expedition into the deepest valley on earth to study a strange wind there, that went only in one direction with up to 50 mph (usually thermal winds revert direction over the day). Even though the valley floor was on 9,000 feet, it is no problem to have a valley 15,000 foot deep when the K2 with 28,000 feet is on one side.
They could not use balloons for their measurements as the winds would have blown them too much sideways instead of vertical. So my friend used his hobby, RC model airplanes and developed a high-altitude-optimized electrically powered glider for that. They climbed up to 7,500 feet above ground, had special telescopic glasses that Zeiss had made for them so that they could still see the plane at that height.
Science combined with fun, hobby, exotics (Tibet) and adventure.
My very first automotive mechanical experience was changing the timing chain and gears on my dad's 67 Chrysler Newport. The 383 sitting in that cavernous engine bay was simplicity itself to work on. A Chilton manual from the library, a few very basic tools and the replacement parts was all a novice needed to do the job. My how times have changed!
Way to complex now....Thank goodness EVs are replacing these relics!
Mechanical engineering
Chrysler American Big Automotive Car 🚗
I remember many a time going to our local library to photocopy pages of Chilton's or Motor Manuals. Beat buying those entire books.
@@nononsenseBennett 🙄
Another thing I learned about timing chains (the hard way) is that if you don't change your engine oil enough, it stretches the chain and the chain will actually jump off the sprocket, which is incidentally how my Rav4 died.
Yeah, you really need to be on top of maintenance with timing chains.
Modern direct injection engines put more stress on them too due to running the high pressure fuel pump and the extra soot that gets into the oil from direct injection.... Sort of like diesel engine soot).
If you want to get long life from a modern engine don't follow the "oil change reminder" in the car... Just change it every 5k (or earlier if you drive less).
It doesn't matter what you drive. Change the oil at or BEFORE the reccomended interval. If you don't, you are doing permenant damage to your engine and risking catostrophic failure.
I always change the oil every 5,000 miles now my 2015 Dodge Dart SXT with 2.4 litter have over 306,000 miles with
@@surferdude4487 Right, I bought the car used, and that was one of the first things I did. But when the mechanic took off the cover, the sludge was a nice, thick coat.
This is especially true for the long chains of DOHC motors. When Lexus switched to the UR V8s with chains like the 4.6L and to a lesser extent in the 5.0L, they had problems with the timing chain tensioners.
Videos like this are SUPER important. If you watch car videos casually like I do you pick this stuff up over time and you have those random "ohh well that makes sense" moments but with videos like this you can learn what something is, why it is and what the correct processes are for replacement.
Thanks for making this!
Hi Wizard , in my years of driving I have only had one Timiung belt break on me , but it was on a Ford Serria non inteference Engine at 3mph . I am now driving a Honda/Jazz/Fit in the States ,
yes I'm 64 🤗 , but wanted a car with no turbo , no timing belt but a Timing chain . I change the oil every 4000 miles with really good Castrol Oil , all the best from Scotland ! 👍
Bruh, the fact car wizard has only gotten four of these cars in his shop speaks to just how good they are.
Hater...
They aren't that common any more. They never really were so I wouldn't expect too many. Heck I don't even have a census of what he's worked on. Four seems like a lot tbh.
How many are left in roadworthy condition?
Of those that are left in the area, why do you assume The Wizard has worked on all of them?
The 1uz was on the top 10 engine list pretty much it's whole life.
@@williamegler8771 everyone that's maintained by a slightly sane person. There are 3-4 in the lot where I work and all but 1 are daily drivers. The one that's not commonly driven is because the own has like 10 cars. But it still runs and he moves it occasionally
I had a belt snap on a 91 Honda Civic when my son took my keys and tried to start it up. Fortunately it didn’t start. We took it to a hobby shop on our base, found TDC, matched a mark on the cam gear to the crank pulley, removed a engine mount, installed the belt, ran a compression check, and drove it for years. But it was nowhere as complex of an engine than the ones you were working on. No matter how much you know, you should keep your mind open and learn from others. Good video !
Thank you Car Wizard,
Great explanation for those who don't understand!
Hi from the tropics in Thailand 🙂
I’m in CA and wish you were closer.
Your thoroughness, honesty, professionalism and pride in your work is why I enjoy your channel. It’s refreshing.
I have had one bad experience after another with shops here and paying $150-$200 an hour in labor.
Thank you wizard this was a great video and a great learning tool for those that don't know what a timing belt/chain is. It brings home the fact that you just can't keep driving on an old timing belt, and often when people hear the term belt they assume that no damage could be done if it breaks. Keep on making these show and tell videos they are fantastic.
Depends if engine is interference or not
While I knew what you were talking about, I love your videos for the fact that even if I don't know or someone else doesn't know, you take the time to show us without making us feel stupid. Thank you for being that type of channel. I'm almost positive I will never work on a Ferrari or Lambo, but those videos are very interesting to me also. Take care.
Excellent; professor Wizard ! You explained it like a pro ... very concise & clear !
Hello Mr Wizard - You did not mention that some heavy duty engines (Isuzu diesel engines or F1 formula race engines, etc) instead of belts or chains use timing gears, that are the most reliable way, but at the same time the most expensive and loudest. But I can see why these were skipped - due to being very rare. Otherwise - top notch information!
You beat me to it. I have had motorcycles with gear driven cams and they were amazing. mostly Honda v4s but one was a 400cc in line 4 liquid cooled motor with gear driven cams.
Thank you car wizard, You are amazing. I love your channel
As a mechanic it does make me feel frustrated when customers start to question my abilities & my diagnosis. I totally understand the financial pressure customers are under & I will usually do what I can to help out where possible. However these are complex machines and therefore need maintenance. So thank you for your incredibly helpful videos.
As some one who loves cars but has utterly no idea what he's looking at under the hood this is perfect. Keep these videos coming
Wizard, as a non-gear head, this video is awesome. I will keep this video to forward to my friends when they ask about timing belt replacements.
Wizard did a good job, he forgot one reason why water pump need to be replaced, worned water pump can locked itself which mean that timing belt will rubbing on seized water pump, it will break which also mean dead engine.
@@altergreenhorn That happened to me ended up with some bent valves
Hey Wizard, thanks for a great tutorial, you explain things clearly & easy to understand!!! This is the Wizard's college of mechanical knowledge!!! 👍👍🙂🎈
Great video more of this kind of content please!
This is a wonderful video!!!! It's about time someone addressed the timing belt/chain sequence and issues. I know you did mention it in the video, but it's important to distinguish the difference between an interference vs a non-interference engine. People need to be aware that failure on an interference engine is catastrophic. Also can't stress enough that belts and the water pump need to be replaced at certain intervals, I replace mine at 90K intervals on my Highlander
I changed a timing belt on the side of the road once. It took a couple hours and cost less than 50 bucks with a new tensioner. My Volvo 240 non interference B230 motor was so easy to work on.
That's a great explanation.
You'll have to explain "interference engine" so that people understand the danger of an engine loosing timing.
I second that request. I was hoping he'd cover "interference" and "non-interference" in this vid but he went deeper into the function than I thought, and I guess time was an issue. Hopefully he'll cover them in the next one.
An interference engine is one where the pistons will smash into the valves if they're out of time (i.e. timing belt broken). Not all engines will do this and some will clear the valves such as some old Vauxhall engines.
Also important is the quality of the replacement Timing Belt. I would use Gates Brand every time. They have a long history of belt-making. Forget the 'cheapies' when your engine is at stake!
@@peterduxbury927 I always opt for the best....not necessarily the most expensive.....but the best replacement parts.
In my book Gates is gold!
@@adotopp1865 And the Mazda FS engine, as well as the Ford CVT.
Very informative in plain language. Thnx Wizard keep em coming
One of your best videos very informative and very thorough thank you
Excellent video Wizard, you should do more of these, you had great examples to show us. Well done, I understand timing belts and chains, but still neat to see an expert go through the fine details. Also, my friend has teenage boys I sent him this video to teach his boys the difference. I like videos that are straight to the point, but yet explains everything so well. That is what is great about your shop you have the everyday drivers cars to the exotics. A++ on this one Wizard.
Thank you, Wizard! This was a very informative video - you should do more of these types of videos, as you explain complex technical issues in a very straightforward manner. 👍
I can't get enough of Car Wizard's educational videos. Makes me want to be an even better enthusiast with decent education.
Even thou you might already know the ins and outs there’s always something new to learn 😬
More technical vids!!! This is a great change from looking at cars, its always great to have more professional discussions for the car community
thank you for making these basic instructional videos for people with limited mechanical skills and abliities, they are appreciated.
Nice to bring the topic down to a level that non-mechanical people could easily understand & learn. Great presentation.
Glad there are people such as yourself wizard to educate the uneducated about vehicles. Thank you and thank you for your service..
Excellent explanation and demonstration about timing belts and chains! I have a basic understanding of what their purpose is, but I've never actually seen them. Much appreciated!
Timing chain for the win more reliable and robust
Agreed
While I already know this, I think you did an excellent job for all the greenhorns out there. To the point, and easy to understand. They should call you "Professor Wizard".
Thanks for the lesson in these belts. More of it please.
Hey Wizard, thank you! I really appreciate this style of instructional videos. I never pretend to be an expert, but by doing as much auto care as I can myself certainly keeps my BMW repair/maintenance/upgrade costs (more) affordable. Not only are you saving me some money, but you're helping me know when I actually need to take my car to a professional.
I have had two LS400s and the first UCF-10 car with the 1UX-FE was a non-interference engine, but the one from 1997, the UCF-20 in the U.K. was an interference engine. I had the timing belts changed on both, because I always seem to get landed with that job!
You are spot on in regards to changing a belt driven water pump at the same time. The new belt will have different tension characteristics that will change the stress on the bearing and seal of the used pump and cause a fail in short order. One week on the car I learned from....
I didn´t even know what a timing chain was and now I am conviced that I can change it by my own on my car. Thank you so much
Video approved wizard, perfect timing, click.
You made a video about timing belts a few years ago, but this one goes a lot more in depth. I like it
love the new idea for vids wizzard. keep it real dawg
Bought a LS in 2021. I made sure it was chain driven not belt driven. Now I know what I’m going to deal with when the water pump needs to be replaced. I’ll make sure to check those chain guides as well. Thanks Mr Wizard !
I was thinking about how I'd like a teaching type video from the car wizard the other day. I clicked so fast when I saw this in my feed
Love the video, especially when I has 2 timing chains replaced on my 2004 F150 a year ago
What a great little vid mate..thanks..
I know what timing belts and chains do, but I still found this video helpful 👍
Awesome video very informative I had a stuck thermostat on my 2017 mercedes 250 cla. Expensive
I've had several older Hondas that required belt 'service'. Thanks for showing what and why that has to be done.
Very informative video - thanks for posting.
Good work as usual. I learned back in the 80's how to replace timing belts on Hondas, then to Alfas. (Busso V6)
Another very helpful video. Thank you!
Spot on. Great Vid. Thank you Car Wizard..
Great video a lot of people who are not mechanical in mind like a lot of us are that work on cars don’t understand but sometimes people just don’t understand how a internal combustion engine exactly works this might help explain to them why repairs cost do much now days compared to years ago they are more complex today than they were years ago and this video might just might help them understand that again great vid 👍👍👍
Very well explained, easy to understand., thank you.
Great video Wizard
Great video, Wizard!
Thank You Sir ! As a retired Volvo Parts Manager I appreciate your " Public Safety / Service Lesson " ! Very well explained and knowledge that most young and some older like myself cannot grasp ! I will be sharing for all my family and friends that need an education ! Its not just gas and oil changes that are needed ! Some as you have shown cannot even change the oil on their cars ? Hope you were able to get those headers for your jaguar chevelle that I called you about 2 plus years ago and spoke with you about a source ? Any new bus updates ? Thanks again for your public service announcement ! A faithful subscriber ! God Bless ! P.s. Hello to your partner in life Mrs. Wizard !
i gotta tell ya. owning a Lexus ls400 that is paid off with all maintenance done is a real treat. thanks so much car wizard!
Thank you Wizard,, For the simple, Down to earth explanation. It was great, Please do more videos like this!
Very good video! Manufacturers seem to have gone back to chains now. I had a 1982 Ford Ranger with the 2.3 liter 4. It had a timing belt and I pushed it to far. The belt broke and left me stranded. Luckily, the 2.3 is a non-interference engine, so no engine damage. Later, I bought the special Ford tool and successfully changed the belt a few times. Even on that engine, it was an all day job(at least for me). you had to remove all the accessories to get to the timing belt cover.
That was very good and educational! Thanks Wizard
Great video, thanks
Great video, thank you. I understand timing belts, but this was great to watch.
Thanks Wiz!
Very informative - thanks
I have no idea what they do, Wizard. Thank you for doing this video.
Great video. Thanks so much.
I'm glad you made this. I recently purchased a 2007 Golf R32 and it's got chains. And apparently the repair is around £2.5k compared to the belt which I usually pay £450-£500
It's a lot more work to replace the chain(s), because they are internal to the engine. That means there will be cast cover-plates to be removed, the chains and guides cost more, cland there's likely to be a more expensive tensioner to replace. It all has to be put back, taking great care to make sure it is oil-tight.
On a well designed engine with a timing belt it ought to be designed with it being a service item in mind. Sadly a lot of manufacturers ignore that part by cramming so much into an engine bay.
Nb. Modern timing belts are way better than those 30 years ago. There are now things like Kevlar available.
Thanks for the tutorial 😮
Excellent. Thank you
Love when motorcycles are brought into car conversations. ❤
For motorcycles I have a Suzuki Vstrom, Royal Enfield Interceptor, and a Harley-Davidson Softail Deuce.
As my car of choice, always my Toyota 4runner. 2000 with 177,000 miles always runs strong.
A couple timing belts ago I Changed my 4A-FE timing belt, somehow got the cam gear timing off by ONE tooth. Engine coughed, sputtered, backfired, would not start. Till i slipped the top of belt off, the cam gear moved back one tooth (as if it was spring loaded), slipped the belt back on and fired right up, runs smooth to this day.
My wife was stranded on a freeway, about 15 miles from home, in the dark and the rain, when the timing belt snapped on our 5-year-old 1976 Pinto snapped with about 36K miles on the odometer. Fortunately, a kindly lady gave her a lift to a phone booth (remember those?), and we had AAA towing. Non-interference engine, $50 repair in early 1980s dollars.
A few years later I was stranded on the same stretch of freeway, in the opposite direction, when the timing chain on my 1973 Chevy V-8 stripped the plastic(!) teeth on the cam sprocket. Interference engine, new lifters and cams, $700 repair in late 1980s dollars.
Anyone who has owned that car has started it with the engine on. You can never tell if that car is running or not! Amazing Machines!
Great video car wizard👍🏼 well explain.
Great idea for a series.
i do know what timing is, but looking forward to other car bits that still make me wonder,
Think you're onto something here.
The Car Wizard RULES!
Often it’s not the timing belt that fails but something else like a pulley, water pump or crankshaft seal (causing oil to leak on the belt) causing failure. It’s best to do it all every 10 years or 100k miles. It’s cheap insurance. 😅 I also prefer a belt over a chain because it’s usually easier to replace and it is done regularly whereas a guide can often fail on a chain or a chain stretches or something else breaks and it’s really hard to repair in comparison to an engine with a timing belt.
Thanks wizard. Old short chains on American OHV V8, V6 were very reliable, except some with nylon sprockets. Long and multiple chains on DOHC engines with high DI fuel pump loading are subject to stretching, tensioner and guide issues. Should be inspected as precaution to total failures. SOHC non interference engine W/O DI using interval replaceable timing belt is good, because timing belt designed to be replaced and if belt breaks, no valve damage. Some old engines with cam in block just used two lubricated gears; no chains, no belt fears.
I love this style of video, would love to see more if you ever get the free time for them!
Great Video! Hope looks forward to more informative videos.
Always Good information 🤗
Very good instructional, have done belts a few times, never a chain though. That might say something. Thank you
Hi car wizard, a point you might like to mention is that although chains, providing that service intervals are observed they can be counted in thousands of miles, the rubber belts age as well. Example my Rover 75 only had 37000 klm on the engine, but it was the original so 23 years old. Something to consider.
I remember changing the timing chain on my 1939 Buick straight eight in 1963. Timing chain was very inexpensive & simple to replace.
Very nice explanation!
Good job WIZARD !!!!!!!!!
Thanks for explaining these details.
Loving the Lotus in the back from time to time is absolutely gorgeous! Like a Lamborghini and a DeLorean had a child and produced that gorgeous thing!
My first knowkedge of timing was as a kid i was on s trip with my grandpa coming back after a car show to San Jose in his 57 Chevy BelAir. It had just won 1st place. The timing chain broke somewear outside of Petaluma. The car only had 26,000 miles in 1980.
Grandpa was a mechanic so he flagged down a driver who drove us to an autoparts store. To buy tools & parts. Took us back and we fixed it in the side of highway 101.
The good ole days.
The Knowledge no mechanic shares in public forum
Great video!
both are good, they both have been used for decades threw many car companies, it all comes down to how hard the vehicle is abused and treated, then doing maintenance so they both last for years, in the end most consumers dont care how they work or why, just when they break and need repair by you, big bucks everywhere $$$$$$. i could remember when folks said the chain was best, no the belt is best, were in a hype time of chains, now that were all repairing timing chains and variable cams, the timing belt sounds good again. the exstent of the wizzards video here exsplaining the depth of how many things are related to the chain or belt is very well done, like he said no one wants to understand this type of repair. nice video.
Very good video showing the intricacies of taking apart those babies to change their timing belts/chains. People think they are easy (like a serpentine belt)...they are NOT!
I had an old (1986) Honda Accord. EFI, auto. I replaced the timing belt (it had been done by the dealer before, I had the paperwork). The crank timing belt mark on that engine is on the flywheel at the back of the engine block (marked white with a bit T stamped beside it). There was another mark (colored red) that was for the IGNITION timing (15 deg. if memory serves right). It turned out the timing belt was timed to the RED mark!
(Incidentally, the engine would rev fine up to about the 5k rpm or so, beyond that it would start sputtering, which I had thought it was some sort of rev limiter in action) New belt timed to the righT spoT and no more "rev limiter"
Ya know, 45+ Years ago , after growing up with 2 strokes, small engines & tractors, I was introduced to a small block timing chains... And I wondered what was wrong with timing gears? Then 10 years later a timing BELT?? Who were these mentally deficit engineers?!? Lol. Plastic chain guides? Nylon gears? Inside a Real motor?? Amazing what they've dreamed up in the last half a century... Great tutorial, everyone needs education... Thanx !
Awesome video wizard
Awesome i learned a lot looking forward to the instructional videos
Good job.
Great Tutorial Wizard! Thank you. You missed your truly calling as an Automotive Instructor.. ;)