How To Install Replace Rear Axle Differential Pinion Seal 1AAuto.com
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@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.
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thank you very much extreamly helpfull
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@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.
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Could you please specify why the bolts / pinion / body was marked.
Why is it so important to align exactly.
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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
dkhill27 3 weeks ago
@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.
1aauto 3 weeks ago
why not just use a torque wrench and torque it to spec
steevo630 1 month ago
@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 YouTube. Have a great day!
1aauto 1 month ago
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.
wbmartin3 1 month ago
@wbmartin3 Thank you for visiting our auto repair channel on YouTube.
1aauto 1 month ago