: Replacing rear differential axle seal?

09-22-11, 10:38 AM

Looks like the new rear diff I installed is leaking some fluid from the drivers side axle seal. If you look closely you will see it has a small dent. Axle seals can be replaced, correct?

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09-22-11, 10:58 AM
Yep. GM Part Number 25968537, AC Delco #291-331. You do, of course, have to pull the axle partially.

09-22-11, 11:09 AM
Werd. Thanks darkman. No prob pulling the axle, just more money, this will be the third time its been pulled in as many weeks... long story...

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09-22-11, 11:19 AM
Yes, it's very easy to replace. Just pop the old one out with a flat breaker bar. Put some gear lube on the new seal and make sure it's flat on the surface and push it in. I used a piece of wood to distribute the weight evenly (even though it is probably overkill) but I like to do things right the first time and not worry about it later.

Darkman is right, the axle will have to come out, but sounds like you are a pro by now :2thumbs: