81 Corvette
Well-known member
drain plug :confused
i'm tired of trial and error.
i'm tired of trial and error.
what size allen wrench need for diff
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brusso
Well-known member
Mine was a square fill/drain plug?
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81 Corvette
Well-known member
3/8's is the answer. Grrrr
brusso
Well-known member
No, mine was not a 3/8" drive square hole. It was/is a 5/8" or 11/16" male type square peg type plug.
for any size allen wrench....
measure across the flats for the size .
measure across the flats for the size .
81 Corvette said:
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