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A couple of people have suggested axle bearings as a
possible source of Chris's noise. There is a way to differentiate between
axle bearing noise and pinion bearing noise: If the noise moves from side
to side depending on whether the car is going in a left curved turn, or a right
curved turn, the problem is axle bearings (the side which is more heavily loaded
gets louder). If the noise is affected by acceleration, deceleration or
coasting, it is from the pinion bearings, which shifts a tiny bit as the torque
in the driveline reverses polarity.
Dick Benjamin
----- Original Message -----
Sent: Wednesday, January 24, 2007 6:32
AM
Subject: Re: IML: rear end noise
Chris Strohmeyer <chrisstroh@xxxxxxxxxxx>
wrote:
I'd
like to keep the Suregrip, and I think I'll try the oil change. The
Chrysler manual emphasizes this, so I think it's worth a try.
I think
the BIGGEST challenge for all of us is finding someone we can TRUST to steer
us in the right direction. Chris -- I'm not there, so I can't
listen to the car to be sure, but you may want to confirm that the noise is
indeed coming from the rear end and not from the axle bearings. On THREE
of my Imperials, each time I've started go get a noise from the rear of the
car, the problem has been axle bearings.
It's a lot easier and cheaper
to replace axle bearings. :o) I would check those first before
doing any major work on the rear end.
Good
luck!
Elijah
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