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Subject:Re: drivetrain vibration
From:Rico Sapolich
Date:Tue, 7 Nov 2000 23:34:08 EST

In a message dated 11/7/00 6:20:37 PM, smiledude@HOTMAIL.COM writes:

<< I notice a significant vibration starting at around 42 mph and
gradually decreasing around 50 or so. . .
. . .Where do I go from here?
 >>

Joel,

Find 2 fairly tight sweepers one left, one right on a road without too much
traffic.  Right before going into these turns and through them, hold the
speed which produces the most vibration.  If the vibration stops while the
suspension is loaded in the turn, you likely have a bad front wheel bearing;
it could be either one.

If that does not prove out, check your center driveshaft u-joints.  One
proviso: you may have to drop the shaft to know for certain that a u-joint is
shot.  I checked one in place which seemed nice and tight and it wasn't until
I pulled it out that the perished u-joint became obvious.  I would like to
know why in the hell VW did not put grease fittings on those u-joints!

Rich

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