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Old 12-08-2006, 10:10 PM   #1 (permalink)
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Pinion Bearings

Just installed new carrier and pinion bearings on the front diff of a 1999 GC Laredo 4X4, and when setting the pinion bearings peload I seemd to have over torqued the pinion nut a bit, so I backed off 1/2 turn which now gives me approx 45 inch lbs of preload as opposed to the required 15-35.

Is this adjustment that critical, did backing off of the initial torque by 1/2 turn increase any freeplay anywhere? Can I leave it as is, which is with the backed off 1/2 turn, and the 45inch lbs of preload? Or should I give it 1/2 turn to put back to the original torque, but then I am guessing this would increase my preload to 45-50 inch lbs? Or, should I install a new crush washer and start over?
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Old 12-09-2006, 12:52 AM   #2 (permalink)
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i just finished my first R&P using pirates info, but it was HP44. if it where me, I'd start over and shim it 'bout .005 at least. im not positive, good luck.

Last edited by fishotro; 12-09-2006 at 12:53 AM.
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Old 12-09-2006, 07:08 AM   #3 (permalink)
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You cannot just back off the pinion nut with a crush sleeve design, the crush sleeve is already overcrushed, you will need to buy a need one and start over.
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Old 12-09-2006, 09:50 PM   #4 (permalink)
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i would start over cause you have now made the sleve to small and you will eat uo pinion bearings if you leave it.
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Old 12-10-2006, 12:21 PM   #5 (permalink)
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Quote:
Originally Posted by BlueAngel
You cannot just back off the pinion nut with a crush sleeve design, the crush sleeve is already overcrushed, you will need to buy a need one and start over.
x2. Many of the install kits even give you 2 crush sleeves now. No way I'd leave it in there.
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Old 12-10-2006, 08:39 PM   #6 (permalink)
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Thx, Got new crush sleeve and reinstalled.
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