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Old 05-22-2007, 04:33 PM
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Changing pinion bearings on Chevy

I bought a used ring and pinion for my Chevy truck. It is a Chevy 10 bolt 8.6". It came with bearings pressed on the pinion and the race for the bearings I bought do not fit. It appears that putting the new bearings on will change my pinion depth. Can I change the bearings, and if so, which spacers do I use? (spacers for my old pinion or for the new one?)

Any help would be appreciated.

Thanks.

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Old 05-22-2007, 05:11 PM
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Use the shims that are already on the pinion.
If the correct bearing is used to replace the old one, the depth should remain the same.
JA
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Old 05-22-2007, 06:57 PM
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true, use the same shim

if the new race is different, i would suspect a wrong part. recheck your new parts.
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Old 05-23-2007, 08:42 AM
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Use the shim that was factory installed in your housing. Most gears are about the same and the bearings are the same within .00005" tolerance but the housings are not a tight tolerance, hence the shim under the rear bearing.
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