How To Install Replace Rear Axle Differential Pinion Seal 84-91 GMC Jimmy SUV

1A Auto: Repair Tips & Secrets Only Mechanics Know

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In this video 1A Auto shows you how to replace the rear axle differential pinion seal. This video applies to the GMC Jimmy model years 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, and 94.
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⚠ DISCLAIMER:
While 1A Auto strives to make the information provided in this video as accurate as possible, it makes no claims, promises, or guarantees about the accuracy, completeness or applicability of the content. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. All do-it-yourself projects entail some risk. It is the sole responsibility of the viewer to assume this risk. 1A Auto is not responsible or liable for any loss damage (including, but not limited to, actual, consequential, or punitive), liability, claim, or any other injury or cause related to or resulting from any information posted in this video.

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17 июн 2010

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Комментарии : 186

@1AAuto 3 года назад

√ *Watch the Video* √ *Buy The Part at 1A Auto* 1aau.to/m/Visit-1AAuto √ *Do it Yourself* √ *Save Money*

@craigbur9 Год назад

On my chey short bed 1989 5.7 it only makes a noise in the back when Im on the gas when I let off it don't have the whining sound is that what's makeing the sound the sile you replace d or is it my chunk in the rear end

@craigbur9 Год назад

It my Daly driver please help thank you and have a blessed day or night

@edpdx 3 года назад

I appreciate the tool requirement up front. The tight description and lack of tangents that keep viewers on track make this an excellent video for newbies and brush-up vets alike. Kudos.

@1AAuto 3 года назад

+edpdx Thanks for the feedback!

@boot-strapper 7 лет назад

always "wipe down the bottom of your rear end really well" 7:33

@shadowdog500 14 лет назад

Looks good! I rarely pull the driveshaft from the trans. I just move it to the side and bungee or zip tie it to the leaf spring frame etc. I also wrap the universal with two turns of electrical tape to keep the caps from falling off.

@chrissnyder6787 2 года назад

Good tip - sounds like a job for my multipurpose wire coat hanger tool.

@njyj59 10 лет назад

I order from your site just because you put these awesome how to videos on here. Very very helpful and I appreciate how easy you make it to understand the procedure.

@1AAuto 10 лет назад

Thanks for checking us out. Have a great day! 1aauto.com 888-844-3393

@scramblendan 11 лет назад

I just made my first order and got some tech advise a well. Thank you so much for making and posting your tech videos. They are very helpful and give me the confidence to fix something that I never have fixed before.

@1AAuto 13 лет назад

Glad you found the video to! Bad pinion seal usually only causes a leak no noise.

@CCWSig 4 года назад

I know this is a old video, but there seemed to be a lot of questions regarding why he marked the nut, so incase someone stumbles upon this. When the pinion and ring gear are assembled, there is a crush washer inside of the differential the sits between the back if the pinion(that you cant see) and the bearing. This washer is crushed during assembly to a very specific tolerance, and that sets the lash between the two gears. If you were to just crank the nut down on the yoke, it will crush that washer further pulling the gear lash out of spec. This is the best way for a do it yourselfer to get it back close to what it was.

@jamesfarmer2748 3 года назад

Pinion depth is established with the pinion shims all the crush sleeve does is set the bearing preload.

@The_pipeliner Год назад

@@jamesfarmer2748 exactly!

@joshuasmith8694 7 лет назад

thank you Mike Green you help more people than you could ever imagine

@logwagonproductions 8 лет назад

Thanks for the video! $10 in parts and about 40 minutes to replace the seal on my 90 Suburban. The shop wanted $150. I didn't pull the shaft out. I just tied it up out of the way. Also used a bit paint to mark the pinion instead of scoring with a chisel. Good stuff. Thanks!

@jahanzebakhter1 12 лет назад

Could you please specify why the bolts / pinion / body was marked. Why is it so important to align exactly.

@russellgibson5013 10 лет назад

iA auto is lucky to have you . Man you are one of the best

@1AAuto 12 лет назад

@steevo630 After tightening the bolt down with a gun, we do use a torque wrench to make sure it's within specs. Thank you for visiting our auto repair channel on RU-vid. Have a great day!

@timothyskaggs945 7 лет назад

Your videos have always been so helpful over the years, thank you for all your work and dedication.

@chrissnyder6787 2 года назад

GREAT VIDEO - THANKS!! Never changed one of these seals (50 years working on cars).. now know the nut needs to be in same position. Done many rear transmission seals, which I'll do when I have the drive shaft out. I see you have what looks like an aftermarket differential fill plug installed... mine's rusted in/stripped, so that'll be the biggest task with this. Will pull the cover and clean it out... curious what the diff fluid looks like after 210K miles - am sure it's never been serviced.

@makemeacheezsammich 13 лет назад

Thanks for the trouble! It's a service to those trying to learn. Much appreciated.

@davidsheffield2508 5 лет назад

I love all these videos! ANOTHER GREAT ONE!

@XXXBIGVIC66XXX 13 лет назад

If you, or any viewers were wondering I fixed my problem with the proper seal, i did exactly as you showed in the video except i tied the drive shaft up with some speaker wire. the chatter which I was experiencing was the pinion nut being loose in the rear end, i tightened it as hard as I could with my own two hands and put some locltite on it. shouldn't be coming off anytime soon the noise was eliminated and no more leak!

@michellescukanec2359 2 года назад

Made many successful repairs myself thanks to this channel! Thank you for sharing 😎👍

@skertofsunrisehills 11 лет назад

Pretty good instructional video. The work doesn't seem hard at all, as long as you have access to a lift.

@1AAuto 12 лет назад

@dkhill27 If you have a service or a Chiltons manual it should show you install everything back together to it's proper specs. The way that we show in the video is the easier way to do it, however one of the repair manuals should have an illistration for you as to how it all fits together, and proper torque specs. Hope this helps you out.

@xoninmuoshda 11 лет назад

Hmm.. can you do a video on completely replaceing a rear differential?

@lawnboy8740 12 лет назад

Very good and informative video. I am going to do this soon on my Ranger. The seal has started to leak a bit. It seems to be a fairly easy job.

@winkawak 11 лет назад

when you have a pinion seal leak, do you need to replace bearing or the gear too?

@ktmpc1 11 лет назад

Great Video! I now have a better understanding on this topic. Ny question on my 2005 Mariner,should i get a rebuild differential or have someone just replace parts in the old one..and what type of shop do u go to get this repair

@pooton2 9 лет назад

Any RTV at all? If so, where? Thank you! Great video btw!

@AceMon2005 14 лет назад

Wow I was just watching this video yesterday and today I went out to do some exhaust work on my 88 GMC Jimmy and noticed that very seal was leaking! At least I know the correct way to fix it now!

@kizzle1234656 13 лет назад

probally the most usefull video i have seen! I just have one question will the same steps apply to the front differential? please respond thanks.

@staticCsharp 3 года назад

Thanks so much for this video! I'm replacing my pinion seal on my 88 GMC S15 tomorrow and this will help me perfectly!

@1AAuto 3 года назад

+Ben Bastin Thanks for checking us out! 1aau.to/m/Shop-1AAuto-c

@bheath8295 10 лет назад

Hey Man! Thanks for this video. It really helped me out.

@1AAuto 10 лет назад

Thanks for watching. 1aauto.com 888-844-3393

@penalozaabel357 9 лет назад

Sweet video. Thanks very helpful

@1AAuto 12 лет назад

@jahanzebakhter1 The mark is so you can tighten the bolt back up exactly as you took it apart. This insures that you keep the proper pressure on the bearings and the proper clearances between the gears. If you do not do it this way you could wear out your differential prematurely. An alternative would be to use plasti-gauge and re align the entire assembly.

@dkhill27 12 лет назад

Wish i had watched this video before i removed my yoke....Now i dont know where to install the yoke nut to? as to how much to tighten it down to. I thought it was just a set amount or tourque to set didnt know about the crush sleeve. Any ideas on how to resolve this? I have a 84 K10 1/2 ton with 10 bolt rearend. Any help is appreciated. Thanks

@Anubis78250 12 лет назад

@jahanzebakhter1 The issue is that there is a crush sleeve on the pinion. If you overtighten it it will pull the pinion out of alignment with the gear, and there is no going back without replacing the sleeve. There is a very small window that you have to stay in. So when you re-install you want it to be exactly where it was, and then just a touch more. You can do this by measuring torque before taking it apart, or by marking the position of the nut.

@XXXBIGVIC66XXX 13 лет назад

@1aauto Cool, thanks for the fast reply and I plan on ordering from your site very soon.

@mindwalker420 7 лет назад

Great video. I got a little ahead of myself and didn't mark the shaft or anything. What should I do to make sure thing are lined up.

@DENicholsAutoBravado 6 лет назад

The correct way is to tighten it up with a torque wrench to manufacturing specifications.

@akclan33 2 года назад

I forgot to mark my pinion yolk on my 2003 silverado when I took it off . Is there anyway to tighten that nut down to where it was or is there a a certain number of threads that need to be seen?

@BillMartinRealtor 12 лет назад

Great video even though I don't have any need to do this. I think I've got bad rear bearings, but thought I'd watch this while searching.

@buddygallagher1193 10 месяцев назад

Thank you for the video. I Learn stuff off of these videos please keep them coming thank you

@DillonTurner395 4 года назад

useful video for something I thought I had to do. My 91 s10 pinion seal was dry. gear oil is leaking out from around the front of the yoke where the washer and nut go???? No one can seem to figure out why so if a new yoke doesnt fix it im going to just get an 8.5 from a 2nd gen s10 and put that in there... stronger and hopefully no leaks...

@EagleTalons1 7 лет назад

I have a question, I bought I pinion seal but it didn't have a lip like the 1 in the video, it is just a ring shape seal but it seems to fit, should I have bought one with a lip?

@timl3417 9 лет назад

This is a very good video. Keep up the with all the videos that you can do on car and truck repairs because it’s very helpful to everyone, thanks.

@1AAuto 9 лет назад

Thank you for watching! Glad to be of help. Please let us know how the repair turns out. 1aauto.com 888-844-3393

@craigmaggi391 6 лет назад

The video helped out a lot,thank's

@charleskowalski7654 4 года назад

Many times guys think the pinion seal is leaking but it's actually leaking past the pinion shaft and the yoke. It leaks through the spline, you see how easily the yoke came off. I suggest you clean up both parts ( the yoke and pinion) and apply a good sealer to the pinion and yoke splines before assembly.

@jamesfarmer2748 3 года назад

Thats exactly what I was thinking. I've heard paematex #2 form a gasket works well for this application although some people use rtv even though it doesen't stand up to gear oil.

@briantant9269 6 лет назад

Is this applications the same for a 2014 2500 ram.

@studeystudebaker 4 года назад

im working on what i.v been told is a p30 pionion seal has bad leak-it looks like is has a double nut on it with a metal washer type that you bend over ,inch and 1/8 wont fit one and three 3.16 have to pound on dont like that -so did they use a lock nut over another nut-and how can i tell what rear that i actually have thanks great video

@hungdung4870 10 лет назад

Thank you sir, very nice video. BIG HELPED

@celestinoleetelles7106 9 лет назад

Thank you very helpful.

@gyreeene 8 лет назад

Just what I needed. Gonna replace the seal on the dana 60 in my Willys.

@codyschmaltz4890 12 лет назад

would all of this be the same for my dana 60 14 bolt diffs in my 1975 jimmy?

@01po01po 14 лет назад

Thanks for posting, this did help me out...

@hungdung4870 10 лет назад

Thank you again. Would you help me again to replaced differential Axle Seals. What tools I need. Also same E250 do they have Spark Plug (4 Legs) Bosh. I like that kind spark Plug. Thank you so much in advance.

@1AAuto 10 лет назад

We currently do not have an auto repair video with this particular repair. You may want to replace the spark plugs with the factory recommended plugs. Have a great day! 1aauto

@XXXBIGVIC66XXX 13 лет назад

My 1986 Chevrolet K5 Blazer is leaking from the same spot....I'm so glad I found this video. Also, would replacing this seal eliminate the chatter I hear from the rear end? Or is that a whole nother can of worms? haha

@kurtw176 5 лет назад

Thank you. I feel I can now do this with confidence

@1AAuto 5 лет назад

Thank you for the great reply. We love to empower our customers by showing you how-to perform your own auto repairs while installing our high quality auto parts. Have a great day! 1aauto.com +Kurt W

@strengthequals5336 11 месяцев назад

Do you need to this with the car lifted or can I do it on ground if I want? I mean even without jacking it up. Thanks!

@1AAuto 12 лет назад

The concept is the same but the dana 60 is going to be slightly more complicated with different gear sizes and also on how to adjust the lash on it.

@blkblky 6 лет назад

would it be wise to put a glob of grease after installing the new seal and before putting the yoke thingy??

@1AAuto 6 лет назад

+blkblky Thank you for checking us out. You may certainly apply grease after installing the new seal. 1aauto.com

@Thomas1778 14 лет назад

great video and very helpful keep the videos comming.......

@BMWhips 11 лет назад

u guys rock! thank U for the vid :)

@sticknstonesbrkbones 3 года назад

no rtv sealant on the splines of yoke and washer?

@uttarabia1 8 лет назад

One good video real to the point

@1AAuto 8 лет назад

+Mohammad Javaid Malik Thanks for watching. We're glad you liked it. 1aauto.com 866-403-3393

@FrozentundrainVA 9 лет назад

Thank you - really good stuff

@1AAuto 9 лет назад

Thank you for watching. Please let us know how the repair comes out! 1aauto.com 888-844-3393

@amit604 13 лет назад

ur video helped me lot... i love ur home made tool..lol

@tertessa Год назад

Thanks great info

@Devo1987 6 лет назад

I bought a new yoke that comes with the new seal and washer my question is do I just make sure there's no play and connect the Driveline I feel like having the bolt be marked and the yolk be marked kind of useless I'm working on a 98 GMC K 1500 5.0 automatic four-wheel drive

@Lill3658 6 лет назад

You need to measure the rotating torque with an inch-pound torque wrench PRIOR to removing the old yoke and nut.

@jessehalderson8465 3 года назад

Use a paint marker for your marks instead of a chisel. And just tie your driveshaft up instead of losing fluid. Also, instead of a ball peen, get you a dead blow.

@1AAuto 3 года назад

+Jesse Halderson Thanks for the feedback!

@scarface3131983 9 лет назад

Great videos as usual. .bit do you have to remove the whole drive shaft or could you just strap it up out of the way?

@Anth4044 Год назад

Great video thank you for sharing, Really wish I could find one with front seal replacement for 79 K10 4x4. I assume it's the same way? Thank you again 👍👍👍💯💯💯

@nico27004 13 лет назад

my manual says to use 90w gear oil. can you use like 70w 90 or do i have to look for just 90w?

@fortysaginaw1512 11 лет назад

I have a low squeaking sound coming from the rear axle when the JEEP 2005 Cherokee is ONLY in Drive. It usually goes away when the vehicle is heated up or has been on the road for 20 minutes. This has been happening now for 1 month. What could this be as it only happens when the vehicle is in DRIVE.

@dylanslavik194 3 года назад

My rear axle yolk ain’t coming off that easy what do you do if it’s stuck on there good

@pooker21991 12 лет назад

thank you very much extreamly helpfull

@brooksbauer 10 лет назад

Super helpful, direct, and to the point. Sub'd

@1AAuto 10 лет назад

Thanks for watching. 1aauto.com 888-844-3393

@arnulfoled4256 5 лет назад

Thank you for the help!

@1AAuto 5 лет назад

Thank you for the great reply. We love to empower our customers by showing you how-to perform your own auto repairs while installing our high quality auto parts. Have a great day! 1aauto.com +Arnulfo Led

@mrexecutive1 14 лет назад

Wow Great work.

@ComptonJ15 10 лет назад

I have a 2000 Dodge Dakota 4x4 and when I accelerate a little bit faster than normal it makes kind of a squeaking noise coming from the rear end. Just wondering if you may think its the pinion seal? It doesn't do it when I accelerate at lower speeds, just when I accelerate a little bit harder.

@1AAuto 10 лет назад

It could be brake related or possibly a u-joint making some noise. You may want to take a look at them. 1aauto.com 888-844-3393

@GlynRobinson 7 лет назад

do you have a vidoe replacing the pinion seal in a 2003 crown vic LX?

@1AAuto 7 лет назад

We currently do not have an auto repair video on that particular repair. Thanks for asking. 1aauto.com

@hunterlinville423 4 года назад

I love your wooden specialized tool

@1AAuto 4 года назад

+Hunter Linville Thanks for checking us out. 1AAuto.com

@1AAuto 11 лет назад

Any auto repair shop should be able to handle the repair for you.

@Sierrapuppy 13 лет назад

perfect video thank you, I like how you use basic tools the whole time to help us backyard boys understand better :) even tho you didnt use jack stands :p just kidding

@mobilecommunicationsnetwor5268 3 года назад

Pinion Seal spring could be coated with sticky grease so it does not come off during installation.

@Madbadger1984 Год назад

After removing the nut from the yoke, the yoke won't just slide off. Any suggestions on how to remove it without damaging the yoke?

@friedchicken1 8 лет назад

so professional. good!

@1AAuto 8 лет назад

+friedchicken1981 thanks for checking us out! 1aauto.com 866-403-3393

@funrun508 2 года назад

I got leak from this seal.. And I drove the around 50 km or more with very noisy sound from the difrenchial.. Please guide whether I change the seal or the difrenchial?

@dennismccracken7922 8 лет назад

Thanks, looks like a simple enough driveway mechanic job.

@1AAuto 8 лет назад

+Dennis McCracken Thank you for watching. Please let us know how the repair comes out! 1aauto.com 888-844-3393

@youarerightboss 6 лет назад

Dennis McCracken , not in the freezing winter.

@allankelland2598 10 лет назад

Great!!! Thank you.

@1AAuto 10 лет назад

Thanks for watching. 1aauto.com 888-844-3393

@Rasmussen357 2 года назад

OK so what do you do if you for got to mark were everything was at ?

@jbwapiti333 11 лет назад

saved me 50 bucks, thanks

@DeanGebert 5 лет назад

Hi, I have a '66 Galaxie that makes a *clunk* when it goes in gear. I've read it could be slack in the drivetrain (space b/t the rack and pinion). Could this be the solution?

@1AAuto 5 лет назад

+Dean Gebert Unfortunately we cannot really accurately diagnose that. We would advise you take it to a trustworthy mechanic in your area that can look at it in person

@edgargarcia3122 4 года назад

Is the rear pinion supposed to move up and down when you move the drivetrain?, i was messing with mine and it had play to it. Any tips?

@notdirtyflics1067 3 года назад

@david95592 6 лет назад

I have questions..? What happened if you don't put any Mark. I you put back.??

@grashoper645 7 лет назад

what about the bearing preload? lining the nut back up has nothing to do with torque. looking at doing this on a 97 camaro but concerned about getting the pre load correct.

@DENicholsAutoBravado 6 лет назад

Yeah, rather than him putting it back about as it was, using a torque wrench to get the pre-load correct would be a more correct repair.

@1AAuto 12 лет назад

@wbmartin3 Thank you for visiting our auto repair channel on RU-vid.