Differential Fill Plug Removal
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Joined: Feb 2001
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From: Keweenaw Bay, MI
Differential Fill Plug Removal
Does anyone out there have any trade secrets on getting an oil fill plug out of an 8.8 inch differential? It has a 3/8" square female plug in it and I broke off a 3/8" rachet drive on it!
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Joined: Nov 2002
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From: Homestead, FL
Differential Fill Plug Removal
Hi-
Try one of those 3/8 male-1/2 female adapters. Then you can use your biggest ratchet or a breaker bar on it. Also you may already know this but keep it as short as possible (extension wise, if needed). Works for me.
Try one of those 3/8 male-1/2 female adapters. Then you can use your biggest ratchet or a breaker bar on it. Also you may already know this but keep it as short as possible (extension wise, if needed). Works for me.
Postmaster
Joined: Mar 2001
Posts: 4,968
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From: So Cal
Differential Fill Plug Removal
Yup that's the way I have done the half dozen or so cars I have needed to do this to. Use the fat short 1/2 drive to 3/8 adapter with a good 1/2 ratchet or breaker bar.
For really stubborn cases you might try some penetrating oil on the threads of maybe a little heat from a torch(careful about too much heat).
When you put the plug back in you might lube the threads or use some antisieze, just a dab.
Good Luck,
Jim Henderson
For really stubborn cases you might try some penetrating oil on the threads of maybe a little heat from a torch(careful about too much heat).
When you put the plug back in you might lube the threads or use some antisieze, just a dab.
Good Luck,
Jim Henderson
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