Originally Posted by fourgearsavoy
I would re-check your preload on the pinion bearings. I learned the hard way about deburring shims on a 12 bolt I rebuilt. The pinion bearing lost some of it's preload after a couple hard runs and gears started whining and I pulled back apart and reset the pinion preload and re-checked the pattern and it still looked good. Put it back in the Firebird and we lucked out it was quiet again. The only thing I could come up with was the stack of shims under the pinion bearing cup had edges on them that gave me a false reading. Just a thought shruggy
Gus beer


Thanks Gus, is this something I'm considering doing since I already have it on the stand. It won't be too much trouble to pull the carrier and check the pinion turning torque.

1972 Barracuda - 5.7L Hemi, T56 Magnum 6spd - https://www.facebook.com/GoodysGotaHemi
2020 RAM 1500
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