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| | | | Joined: Nov 2014 Posts: 78 'Bolter | | 'Bolter Joined: Nov 2014 Posts: 78 | Trying to remove the rear end filler plug to check and change gear oil (1950 3100) plug seems to have been in there a while tried a 3/4" open end wrench and adjustable Must just be stuck any tips tricks or suggestions ?
Thanks
Sam
1953 3100
| | | | | Joined: Sep 2011 Posts: 1,453 'Bolter | | 'Bolter Joined: Sep 2011 Posts: 1,453 | It's a pipe thread, try tightening it slightly then loosen. Also might find a square socket to get a good bite on the plug.
BC
1960 Chevy C10 driver 261 T5 4.10 dana 44 power loc
1949 GMC 250 project in waiting
1960 C60 pasture art
Retired GM dealer tech. 1980 - 2022
| | | | | Joined: Dec 2015 Posts: 2,063 Big Bolt Forum Moderator | | Big Bolt Forum Moderator Joined: Dec 2015 Posts: 2,063 | if you can get a square socket on it as BC59 suggested, you might try an impact. A lot of times, the blows from an impact will knock things loose that don't want to come loose by brute force. | | | | | Joined: Nov 2014 Posts: 78 'Bolter | | 'Bolter Joined: Nov 2014 Posts: 78 | Thanks guys finally got it! square socket long bar and hammer - I think it may have been it there since the truck left the factory.....
1953 3100
| | | | | Joined: May 2005 Posts: 8,878 . | | . Joined: May 2005 Posts: 8,878 | Don't think it's pipe thread, the ones I've run across are straight thread with a gasket.
On stuck ones a pair of Knipex Plier Wrench have worked great for me. | | | | | Joined: May 2006 Posts: 8,351 'Bolter | | 'Bolter Joined: May 2006 Posts: 8,351 | Don't think it's pipe thread, the ones I've run across are straight thread with a gasket.
On stuck ones a pair of Knipex Plier Wrench have worked great for me. That's correct. It's straight thread with a gasket. '63 and later have pipe threads for the filler, though.
Bill Burmeister
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