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#1154411 Thu Mar 10 2016 05:01 PM
Joined: Nov 2014
Posts: 82
C
'Bolter
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: 1,118
B
'Bolter
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 3.73 dana 44
1949 GMC 250 project in waiting
1960 C60 pasture art
Retired GM dealer tech. 1980 - 2022
Joined: Dec 2015
Posts: 2,296
Big Bolt Forum Moderator
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.


Mike

1955 Chevy 6400 ex-flatbed (no bed now!)
In the Stovebolt Gallery [stovebolt.com]


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Sufficient unto the day is the evil thereof
Joined: Nov 2014
Posts: 82
C
'Bolter
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: 9,189
G
.
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.


1951 GMC 250 in the Project Journals [stovebolt.com]
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1952 Chevrolet 3800 pickup [stovebolt.com]
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-
Joined: May 2006
Posts: 8,490
L
Master Gabster
Originally Posted by Grigg
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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