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Re: 4ksq rear diff bushings
From: Jon Blake <email@example.com>
>What are the symptoms of bad read diff bushings on '86 4kcsq? Is
>replacement something average owner mechanic can perform?
If you accelerate in 2nd and then let up the accelerator, you will get a
bang from the rear of the car. Jack the rear wheels up one at a time and
inspect the rear diff while trying to rotate the wheel back and forth. If
you have a problem, you will see a lot of movement and probably hear bangs
from the disintegrated mounting rubbers.
Replacement of the two front mounting rubbers is really easy. All you need
are some spanners and a jack to hold up the side of the diff you are working
I didn't replace the rear mounting in mine, because I don't think it was
worn, and the diff needs to be removed so it can be pressed out.
After replacing the mounting rubbers, I was able to disengage the CENTRE
diff lock for the first time in 50,000 miles without going into reverse!
1984 Audi 80 quattro
1983 Audi 100 Avant