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Old November 25th, 2012, 01:14 PM   #1
Cheap5.0
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Default gm 10 bolt pinion bearing replacement

I've got a 1999 silverado 1500, 5.3 4x4 with what I think is a bad rear pinion bearing(s). I watched a few videos on youtube of a whole 10 bolt rebuild and I see how the bearings are pressed in and out, but what I don't know is if I will have to run patterns, measure backlash, preload, etc....if I re-use everything but the bad bearings.

if this is over my head, anyone have a guess what a decent price would be for a shop to do the work if I bring them the axle?
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Old November 25th, 2012, 02:14 PM   #2
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if u bring the parts the book rate is 6 hours to change the bearings so it would be $300 at the shop i work at in lapeer

Last edited by Toyfish; November 25th, 2012 at 02:22 PM.
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Old November 28th, 2012, 03:12 PM   #3
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just get bearings and races, crushsleeve , seal. its easy to do.
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Old November 28th, 2012, 03:26 PM   #4
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I would open it up first to make sure it hasn't 'sploded. That era 10 bolts have a bad history of giving up the ghost. I would put the money into a semi-float 14 bolt from the same era with the same bolt pattern and gearing. They came in extended cab heavy half tons and are bullet proof for a half ton. U-joint, spring pads and break connections should bolt right up.

As for the pinion bearing replacement the hard part is getting the races out and proper amount of crush in the sleeve (buy more than one) to set pinion bearing pre-load.
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Old December 2nd, 2012, 08:59 PM   #5
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well my boss bought the truck and not only does it need bearing the spiders gears r a little chewed up
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Old December 3rd, 2012, 07:03 AM   #6
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Typical.
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