'91 rear differential leak at driveshaft side

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'91 rear differential leak at driveshaft side

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Chevrolet Forums >> Chevy Trucks, Vans & SUV's >> Silverado >> '91 rear differential leak at driveshaft side

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'91 rear differential leak at driveshaft side - 8/25/2007 11:22:51 AM

keebeaux

Posts: 1
Joined: 8/25/2007
Status: offline

Hey all...newbie here.

I tried related posts, but none were the same.

I have a leak from the rear differential of my '91 2wd. It appears to be coming from the front side where the driveshaft connects. I checked my Chilton's for seal R/R info but it only addressed gear replacement.

Can anybody tell me if there is a replacable seal at the input driveshaft end of the diff, if it is a DIYer project and the steps to do so, if possible.

Post #: 1

RE: '91 rear differential leak at driveshaft side - 8/26/2007 6:26:07 PM

kcb37

Posts: 504
Joined: 7/3/2006
Status: offline

You have to take the driveshaft down. Once you have it out you will see a big nut on the yoke. It is something between 1'' and 1 1/4'' if I remeber right. The easiest way to take that off is with an impact. If you don't have one you may need a cheater pipe. If you can get that off the yoke slides out and you just have to pop out the seal, and put the new one in.

(in reply to keebeaux)

Post #: 2