Mercury Verado Gear Case Service | Water Pump Impeller | Driveshaft Seals
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- เผยแพร่เมื่อ 14 ต.ค. 2018
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Water Pump Removal: 0:29
Pressure Testing: 0:52
Driveshaft Seals: 1:05
Shift Shaft Seals: 1:45
Propshaft Seals: 2:56
Water Pump Install: 6:00
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PARTS USED:
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Guide Tools: 91-821571A 1 amzn.to/2T9KWAn
Water Pump Impeller Kit: 47-8M0100526 amzn.to/2UfwXZW
Driveshaft Seals Assembly: 8M0046297 amzn.to/2sI52Gb
Shift Shaft Housing Gasket: 880729 amzn.to/2WeOkMk
Shift Shaft Seal: 26-8164641 amzn.to/2DxH0nL
Shift Shaft Seal Retaining Ring: 8M0046563 amzn.to/2FUdDxs
Prop Shaft Seals: 26-888483 amzn.to/2My0BHe
Gear Lube: 91-8M0101435 amzn.to/2WhSym2
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***DISCLAIMER***
This video is just a visual aid for locations and parts of a normal service.
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Man you are awesome just opened my business in Seattle I'm born and raised in Florida Miami the military brought me to Washington. Your Chanel is bad ass keep them coming man.
Hi Aaron love those videos they are great I just have one question regarding the impeller installation, in the service manual they are stating that you turn the drive shaft clockwise when pushing the housing down while in your video@6:40 you are saying to turn it counter clockwise. As I understand drive shafts are always spinning clockwise even for counter rotation lower units so is this correct and do we only install the impeller while spinning clockwise or for counter rotation we spin counter clockwise. Thank you for clarifying.
great video. I have a verado 350 2019. have no telltale water did a complete service. new impeller and housing,thermostat and oils. put back together. I am off neutral and plan on dropping unit again. still no water at TT. put muffs on with good water pressure. let run 3 minutes and no water. did not want to get hot turned it off. any advice on water flow. has 150 hours on it.
Thanks for thai great video!
Thanks you very much sir
Have you ever had a lower unit pass a pressure test but still slowly allow water into it?
I love you guys keep up the good work👏👏👏
Thanks bro
First up great upload really helped me servcice my lower unit.
But on 6:37 impeller install you said turn the shaft in a counter rotating motion but on the video it seems your turn it clockwise. What is correct?
Thank you for your question! Please post it in our Born Again Boating Community! Go here and scroll down to access - it’s free: www.bornagainboating.com/
hi , good job
Thanks for another helpful video, Aaron. I put my lower unit back on today after the impeller replacement and noticed that I have a ticking sound from the LU when spinning the prop by hand. I think the LU moved slightly off of neutral at some point during the service. Is there a way to check or to put it back in neutral? I haven’t refilled the engine oil yet in case I have to remove the LU again.
Thanks for your help.
Hello Orlando, thank you! No, not really any way but to drop it down again and then realign the shift shaft. You are completely right, it's probably just off by one tooth!
If you haven't refilled the oil it will be pretty easy. Another way to check for the shift shaft is to turn the key on once you get the lower unit up. Then you can shift it into reverse with just the key on and it will shift the engine into reverse.
It won't shift it into forward but at least in reverse and back to neutral you will be able to know if it returns to neutral properly! Good luck and hope it goes well and quickly for you :)
Thank you. I’m heading out there now to hopefully finish up.
What if you completely lost track of what gear the LU is in? How would you re-sync it with the controls? I’m asking that Incase I have to start from scratch. Honestly, it’s probably not a bad idea at this point, since I don’t know how I ended up off of neutral.
@@gascop69 Awesome! Good luck! Shouldn't take you long. Easiest way to find neutral for the engine is when the lower unit is off, just turn the key on and shift it into reverse, then back to neutral and it will self align everything and reset for you!
Then for the lower, just use a pair of pliers and turn the shift shaft and then spin the prop shaft until you find neutral :)
Awesome job I am from the Bahamas we do have any one here could do dat job
I got water pump gasket part from my Mercury dealer but it is not the same aluminium gasket that was under the plate till now. Now it is soft material like rubber gasket and on inner edge it is not the same shape like old gasket. I asume it is new type of gasket now. Anyone have information about this? It is correct gasket to put under the plate? 27-430331 is part number. I have Verado 225 from 2015. Thanks for help
Thank you for your detailed videos! They definitely make a DIY type of person brave enough to tackle these type of maintenance that would cost hundreds of dollars. Quick question at 0:48 you say that if you don't have water in you lower unit to leave the upper seals alone. Why? My first instinct would be to change all the seals as i am already there. Is this wrong? Also, what is the pressure tester that you use. I would like to purchase on. Thanks again.
Thank you! On the seals, they design of the carriers have made the seals to last up into the 1,000's of hours, depending on use and age of course. So until they fail, you really don't need to change them :)
Also on the pressure tester, it's a Steven's Pressure Tester, they are expensive: amzn.to/2ZxB2ga
I bought mine from a garage sale :)
Born Again Boating no
Sorry meant to say “nice”
Dose it matter what gear your in when you drop a lower unit on a outboard motor?
Usually you want to be in neutral when you drop the lower.
When I had the bearing carrier oit. Does the prop shaft just pull out at that point to get to the drive shaft nut?
Once the carrier is out, you have to pull the pinion nut to pull the driveshaft and pinion gear to get the propshaft and forward gear out.
@@BornAgainBoating thank you very much.
Just bought twin Sea Pro 300’s my question is on the low pressure fuel filter... does it come apart?
Or do you have to buy the whole canister? Rite now I’m just shaking out the water
If you are talking about the water separator in the boat, yes, it should come apart and you can just change the filter.
You might be a little concerned on why you are continually draining water out of it though?
Born Again Boating Not the Racor sir, the one connected on the rear of the engine. P/N 8M0106635
I’m used to changing out the Red top and Inline on my previous 350 Verado’s
Let me go back a little further, my 300 Verado’s came with red tops, I converted the 350’s to Red tops also since it’s such an exceptional fuel filter. Now I’m having to learn these new Sea Pros. They are much different than previous engines I’ve had.
Hi. I have what looks to be gear oil coming out with the discharge water. Would you have any suggestions on where to look. It is a 225 verado with 110 hrs.
It's hard to say. Could be a leak in the oil cooler, is it an L6 or a V6?
@@BornAgainBoating Thanks for your reply. As it turns out it is not gear oil. It is engine oil. I pulled the cover and there is a small mess of oil under the engine. Everything looks really clean and I havent found the source. So it's not in the water but leaking out at that point. Could it be possible that when serviced too much oil was put in the engine and there is an overflow?
Grasping at straws. I checked the oil and it is in the upper hash marks on stick.
Thanks again
Hi, it's crucial to use the key? i mean the metal piece between impeller and shaft?
Keyway in the minute 6:27
Here's what you need to do for yourself and all of us. Hook up with a dealer and show them your vids. They are awesome and I'm sure they would sponsor your vids and pay you. Then add links to the parts from them in the description.
Btw my shift shaft seal is leaking, caught it early. But I don't see a clip to hold it in place. The seal just came up. My verado is a 2005 250. Should it have a clip to hold it in place?
That would be excellent! lol no, no clip, they just push down into that housing :) I usually put some johnson gasket sealer around it when I push it down, just to do it :)
@@BornAgainBoating
Thanks I'll give it a shot.
How to repair high pressure pump and low pressure pump?
Hello! Here are two videos on the two different styles of the Mercury Verado FSM!
Old Style: th-cam.com/video/_fDkKuFZPEs/w-d-xo.html
New Style: th-cam.com/video/sm6T3jOw8LM/w-d-xo.html
Very helpful video I have twin 2008 300 verados after I did the water pumps they went back together with no problem started both engines when I use the starboard throttle control engine won’t go in gear when I push the single button lever they both go in gear any theories thanks
Thank you! That's odd, if this happened right after you changed the impellers and put the lowers back on. I would say that the shift shaft is misaligned. Not sure why it goes in gear in the single lever mode, that's the weird part!
In single lever mode they both shift forward and reverse without any issues?
Normally before adding the oil and buttoning up the engines. You can put the key switch in the on position and then shift the engines into reverse and the shift actuator will engage reverse gear. That way you can check to make sure the shift shaft went into its slot properly. Then once you shift into gear and back to neutral, if it is off a tooth, you will know and hear the clutch clicking inside of the case.
If the shaft is misaligned, you can do it quickly but if you keep the engine completely vertical without any trim, you can drop the lower and straighten the shift shaft out without having to remove the lower unit and drain out the oil. This is best with some help, because some oil will come out :|
In single lever mode starboard doesn’t shift
@@vincenttrapani6331 oh, in that case it makes sense. Sounds like the shift shaft didn't go in
Born Again Boating ok I’ll go and look remove the chap I should see the shift shaft
@@vincenttrapani6331 Yes, it might just be off by a tooth even and that is messing it up. Let me know how it goes!
How to change a drive shaft on a 09 300 verado. My motor won't go in any gear and water pump isn't pumping water. I thinking the drive shaft broke by the flywheel
Ouch, you gotta pull the lower first to see whats going on:(
@@BornAgainBoating yes sir. Gonna do that tomorrow. I'm sure it's the shaft. Sence the water pump isn't spinning. But I'll keep ya informed. Any think I need to know taking off this unit. It's the 5.44 19 spline gear case
@@MrDavidelliottjr just drain the engine oil before removing it ;)
Part number for shift shaft housing gasket and seal
Thanks for the youtube video. I would like to know what grease to use, it looks like the same grease is being used during the reassembly process. (The blue grease).
You're welcome! Thank you! That blue grease is Johnson Evinrude grease, I use that because it comes in a tube :) you can use any marine grease like Mercury 2-4-C or High performance. As long as its marine you'll be good to go!
@@BornAgainBoating Excellent, I use the Mercury C-4-C. What is your opinion on using Anti-Seize Lubricants and is so which would you suggest. I have seen seized water pump housing bolts which is not fun. Again thank you.
That's great! Stick to that grease for everything! All the bolts on the lower for sure. The only time I use anti-seize is on spark plugs. And to be honest, we work in one of the worst salty places you could work in when it comes to corrosion and salt water issues. Carefully using an impact to pull the plugs out, after working for many years and pulling tens of thousands of spark plugs. Haven't had one that wouldn't come out with the impact, (On an outboard). So, is it really necessary? I'm not so convinced. Grease up all and every bolt on the lower, but anti-seize probably isn't necessary. The stuff I used when using it though was just the generic brand from NAPA.
Marine grease is typically blue or blueish green
What should I do if my lower unit is stuck the driveshaft won't let it drop everything else is loose?
You'll have to really try hard and use hammers and chisels. But if it still wont come off. You'll have to pull the powerhead and see if the oil pump drive gear has welded itself onto the driveshaft. I've seen it before, usually it takes years of not being dropped for this to happen though. Try the rubber mallets and chisels first
@@BornAgainBoating Holy Hell, I did finally get them off, took around 8 hours each, these are 2012 300 Verados I bought last year, and everything was working fine just wanted to do full maintenance on them so I had a good starting point. Well, I'm pretty sure these have never been dropped. Sledgehammers and log splitters moving a 1/16 at a time if that much... They are cleaned up and new parts going back on tonight. Thanks for the feedback.
BTW, a lot of people were ging this guy shit, but I'll be honest it's pretty much what I had to do lol.
th-cam.com/video/-ka2A3RdGZ0/w-d-xo.html
@@rsdna9698 awesome! Yeah, that's why you want to take the lowers off every couple years ;) I've been there and done that what that guy was doing to the yami, sometimes that's the only choice. I've seen then not come out of the powerhead ok that Yamaha before too. Had to cut the driveshaft and pull it from the top, the crank was ruined already and they had to junk the engine. :(
going to be doing the exact same procedure on a 225 Varado. you say the lock nut needs to be torqued to 200ft-lbs in total ??? the one i just removed i was able to break free with a 1 1/6 wrench and little muster. would kind of make sense why the lower gear case o ring was leaking and my customer was ending up with water in his gear case. least that is my thought, not torqued properly?
Hey Dane! Whoa! No, let me watch the video again, the prop nut only gets torqued to about 55 ft lbs or so. Definitely not 200!
That's for the spanner nut that holds the carrier in place :)
@@BornAgainBoating- no not the prop nut, the spanner nut or what ever you wanna call it that holds the inner gear case inside the leg
Oh, yes that's right then. 200, it's a ton of torque, if that thing was that loose on the gear case you worked on. It may very likely have been the reason it was leaking!
i appreciate your feedback @@BornAgainBoating. defiantly will be keeping an eye on this channel for more future tips and tricks . Thank you for the quick replies as well. parts get ordered monday and should be here tuesday late afternoon and if all goes well by afternoon wednesday should all be done and put back together
@@ellioteddy1983 No worries, thank you and glad we could help! Let us know how it goes, hopefully you get through it smoothly without any issues :)!
If you can post the part number for that snap on 6-10.5" bearing puller that'd be great. I tried searching but must not be seeing it clearly. Also do you have an Amazon affiliate store?
I don't have an amazon store, but if you use this link here and buy anything from Amazon I get a small commission. :) www.amazon.com/?&_encoding=UTF8&tag=bornagainboat-20&linkCode=ur2&linkId=97bb1968e1ac47dfc3703d401d95fb5a&camp=1789&creative=9325
And I've actually been using this Marine Tech Tools puller a lot lately, over the Snap On! This thing is sweet: (I get a commission from this link as well) www.amazon.com/gp/product/B01II9SQUA/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=B01II9SQUA&linkCode=as2&tag=bornagainboat-20&linkId=07ce14dde78ab8d188fbeace3201bfa9
Thank you for asking!
@@BornAgainBoating When I buy ANYTHING boat related I'll be sure to use your links. I've already stocked my Amazon cart with the tools from your website's shop. Thanks brother.
@@MD-173 awesome man, thank you! Links in the descriptions too of you lose this comment. It's rare I see a reply for comments that I reply on. After I reply they randomly give a notification and then they get buried under hundreds more comments, so if I dont reply and you want to comment. Make a new comment :)
@@BornAgainBoating You got it brother. FYI: the first link of the two in your first reply just takes you to the Amazon home page, I don't know if this was your intent. I follow a lot of Auto Diagnostics guys on TH-cam and they have an Amazon store that has all their recommended tools on one page or two or three but my point is you may easily be able to create this as well and list all of "Aaron's Choice" and "Budget Versions" (I love how you do that btw) there. I think it would help to support the channel which I'd like to see grow.
Thanks again and God Bless.
Hi, excellent videos.
I need the same lower untit, counter rotation and 30" shaft, please let me know if you have one for sale. Thanks
I don't, sorry, but hope you've found one by now
My man! MD here (rapidly becoming your no. 1 fan) here with another Part Number request, sorry, That short FAT Snap On marine plug(?) screwdriver # ?
The big flathead driver?
@@BornAgainBoating the short fat wide blade flat head not your go to long flat head.
And one video make for 350 or 300 general complaint fuel module supply,
I would like to know if there are any tricks to protect the FSM wire harness?
👍🏼👍🏼
Great video! Do you happen to have her before and after video of disconnecting the shirt shaft and reinstalling it? I’ve dropped my old lower units on a 2.5 Merc with a sport master lower but never a Verado. I have triple 300’s I want to remove and paint/service but unsure about the install and reinstall process. Thx!