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03-08-2017, 11:30 PM | #1 |
Registered User
Join Date: May 2007
Location: ALTON, IL.
Posts: 98
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Pinion set up help
Overtightened my pinion nut to 35in./lbs. Should I run it, replace it, or back it off to 25in./lbs, and run it???
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03-09-2017, 12:53 AM | #2 |
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Join Date: Nov 2013
Location: Gallup, New Mexico
Posts: 188
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Re: Pinion set up help
Pinion nut does not tighten to 24 inch lbs . 24-32 inch lbs is the force needed to turn the pinion after it is tightened. New crush sleeve ? Old crush sleeve ?
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03-09-2017, 01:09 AM | #3 |
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Join Date: May 2007
Location: ALTON, IL.
Posts: 98
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Re: Pinion set up help
New sleeve bearings everything. Found spec on this all over the place anywhere from 12 - 29 in. Should I take it back to 35?
Last edited by ratfreak8871; 03-09-2017 at 01:18 AM. |
03-09-2017, 02:09 AM | #4 |
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Join Date: May 2007
Location: ALTON, IL.
Posts: 98
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Re: Pinion set up help
Yes that's what I'm getting at,
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03-09-2017, 08:23 AM | #5 |
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Join Date: Apr 2010
Location: Guntersville Alabama
Posts: 1,073
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Re: Pinion set up help
Its not preferable to back off the pinion nut once you have gone to far . 35in lbs may be ok on a new bearing . If it is an old bearing I would start over for sure . But if new bearing I would back it off to 30in lbs and you should be fine . If you back it off to much the bearing will become loose and not have the proper pressure to keep it seated . If too much it will damage the bearing .
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05-15-2017, 07:19 PM | #6 | |
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Join Date: Mar 2017
Location: Etowah, TN
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Re: Pinion set up help
Quote:
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03-09-2017, 12:37 PM | #7 |
Senior Member
Join Date: Jul 2000
Location: North Texas
Posts: 3,597
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Re: Pinion set up help
New crush sleeves are cheap. You can also get a set of shims instead, which is what I plan to use next time. More user friendly and not affected by pinion nut torque. These are for 8.5" 10-bolt.
https://www.ringpinion.com/b2c/Produ...px?ProdID=8280
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Mike 1969 C10 LWB -- owned for 35 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, recent AAW wiring harness, 5-lug conversion, 1985 spindles and brakes. 1982 C10 SWB -- sold 1981 C10 Silverado LWB -- sold, but wish I still had it! 1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming. Retired as a factory automation products salesman. Worked part-time over the years for an engine builder and a classic car repair shop. Member here for 24 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then! |
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