Question about 2004 Buick Rainier
There is a loud thud and associated jolt (like a parking lot hit) coming from the rear. Maybe something to do with the suspension? it has a self-levelling suspension. Or -- could be other cause - don't know! It is intermitent - and can't get the vehicle to fault at the service dep't.
Is this normal self-levelling going on? or some other problem?
These are side products of the all wheel drive system, incombo with the locking rear dfferentials.
You'll find the auto-lockers will tend to do that following a tight turn, particularly when you're doing it quickly.
The thud is similar in nature; it's just the All wheel system trying to figure out where to put the power.
Posted on Nov 04, 2008
I had the same problem, with my 2004 Rainier. It would thud, crack like h_ll in the rearend, when turning or leaving a light. I replaced the motor in the transfercase, it wasn't unlocking all the way from 4 wheel drive. It fixed my problem
Posted on Mar 30, 2012
This is the air compressor in the rear which helps to stabilize the rear suspension.
Posted on Apr 26, 2009
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