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Old 11-05-2006, 10:10 AM
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checking bearings takes experience. basicly, while its up on a lift, have someone spin it up to around 40-50mph. off & on the throttle. and listen with a stethiscope(sp).

to physicaly check the bearings. the carrier and pinion need to come out. the bearings and/or races will be pitted.

its also possible that a poor install is causing noise. i have heard of this, but have never seen it. as my installs are always perfect.
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