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Mod | | | Forums66 Topics128,198 Posts1,057,270 Members48,466 | | Most Online14,466 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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on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Sep 2008 Posts: 53 Wrench Fetcher | | Wrench Fetcher Joined: Sep 2008 Posts: 53 | Hi Guy's, 1952 '3600' Hope someone can help me quickly as this is my daily driver.
I have noticed a vibration from the drive shaft over the past few weeks Slowly getting worse. Tonight i checked underside the vehicle along the drive shaft and have found a little oil seeping from the pinion seal on the diff and some movement there also. I am sure this is the problem. Is the pinion bearing easy to change ?? I have noticed some bolts holding on some kind of cover, is this for the seal or will this give me access to the bearing? Or do i have a major job on my hands here? Any help from you guys would be gratefully received as i use this truck every day and need to cure this problem. Kind Regards Tim (United Kingdom) | | | | | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | The short answer is that is you have lateral movement in the yoke, you have a major repair on your hands. The shop manual will show you the steps to take it apart. If it is just a seal than it is not a big deal. For the seal you remove the yoke with a big air gun and socket. Slide the yoke off and remove the bolts that hold the cover containing the seal. | | | | | Joined: Nov 2005 Posts: 6,100 'Bolter | | 'Bolter Joined: Nov 2005 Posts: 6,100 | Hy Tom Newton, you most hold the pinion yoke with a large Stillson [pipe] wrench, if you don't do this you take a chance of breaking a tooth on the crown or pinion gear when removing the yokes retaining nut with a large impact wrench, hope that helps | | | | | Joined: Sep 2008 Posts: 53 Wrench Fetcher | | Wrench Fetcher Joined: Sep 2008 Posts: 53 | Managed to sort out the pinion bearing play by removing the yoke and then the bearing to reveal a spacer. I then machined 2 thou at a time off the spacer until the play in the bearing was taken up 10 thou in total. All is just fine now, no more play = no more vibration. Tim(uk) | | |
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