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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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#40875 07/16/2002 10:29 PM | Joined: Feb 2000 Posts: 12 Junior Member | | Junior Member Joined: Feb 2000 Posts: 12 | I'm in the process of changing out a leaking pinion seal in my 57 3100. The shop manual calls for measuring the bearing preload before disassembly so it can be matched after repairs. It recommends checking the torque with an in/lb torque wrench with one wheel free. My wrench starts at 20in/lb and the wheel will turn with less than that. So, the preload is too light to measure. The pinion does not have any excess play and no noise has been noticed. Should I just mark the nut and pinion and reuse the nut and forget about it, or how can I properly set it up with a new nut as recommended and get the proper preload? Thanks for any ideas anyone may have. | | |
#40876 07/16/2002 10:42 PM | Joined: Jan 2000 Posts: 1,586 Extreme Gabster | | Extreme Gabster Joined: Jan 2000 Posts: 1,586 | Joe, I have changed pinion seals like you said, mark the nut before removal and then reinstall with the same nut.I never had a problem afterwards so...... | | |
#40877 07/16/2002 11:20 PM | Joined: Feb 2001 Posts: 1,096 'Bolter | | 'Bolter Joined: Feb 2001 Posts: 1,096 | I have also done as Tony suggests .
It is REALLY hard to over torque the pinion nut when under the truck . | | |
#40878 07/17/2002 2:58 AM | Joined: Feb 2001 Posts: 1,897 Member | | Member Joined: Feb 2001 Posts: 1,897 | Hey Joe, I believe those two guys are onto something 
There is enough good in the worst of us and enough bad in the best of us that it does not behoove any of us to criticize the rest of us.
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Be yourself. If you are ever lost, It will be much easier to find yourself if you know who you are!
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#40879 07/17/2002 5:03 AM | Joined: Feb 2000 Posts: 12 Junior Member | | Junior Member Joined: Feb 2000 Posts: 12 | Full speed ahead! Thanks guys. | | |
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