symptoms of a bad rear diff?

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Jun 29, 2006 | 12:43 PM

#16

machron1

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From: Portland, Oregon

Quote:

Originally Posted by QwikSRT4

Thanks for the help guys. I changed the t-case and the rear diff fluids with Mobil 1 75w90 and so far today it's 32094823% better. The rear diff mag drain plug had some shavings on it, so hopefully everything's okay. The fluid out of both diffs looked dark purple (not pepto colored) so I think that there's nothing really wrong just didn't like the rear LSD.

Did about 15 figure-8s right after the install, and no grinding/shuddering. Drove 20 mins home, did more fig-8's and no problem. Hopefully that's all it was.

I've used the 75W90 Mobil1 for over 60K miles now with good results, but I just recommend the DiaQueen because it seems everyone agrees it's the best stuff. Guess we are just risk takers! Also, I would dump in a bottle of