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What are the torque specs on the rear end pinion gear crush collar of a 1995 Chevy 1500 Pickup 4x4 with a 350 engine?


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Wiki User
2004-09-26 09:21:29
2004-09-26 09:21:29

You really need to take a reading before youremove the nut and tighten the nut 3-5 pounds inch more than it was when you took it apart. If you didn't you need to torque it to 25 pounds-inch with a new nut and sleeve. You can probably rent an inch pound torque wrench from the parts store. Turn it several turns after tightening it and before reading the torque.


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The only torque you should be concerned with is the torque it takes to rotate the pinion gear alone, 8-14 inch pounds for old bearings, 16-29 in/lbs. for new bearings. The torque it takes to crush the crush collar (tightening the pinion nut) will be above 140 foot lbs. and this will set your tension on the pinion bearings. If you put a new crush collar in you are going to have to remove axles and carrier to get the proper pre-load on the pinion bearings.

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There is no specific pinion nut torque. The pinion nut has to be tightened until the proper pinion preload is established. Pinion preload is what matters

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the torque specs are 59-64 ft-lbs.

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