Saturday, December 26, 2009

How to find an oil drain plug size.?

I have a 1994 Pontiac Grand Prix SE, 3.1L V6 engine and I am unable to remove the oil drain plug because none of my wrench sockets seem to fit. How can I find out exactly what size of wrench socket is required for that part?How to find an oil drain plug size.?
13mm or 15mm everytime.How to find an oil drain plug size.?
drain plugs are typically in mm. most are between the range 14-17mm. just get a socket kit and try until it works. I am speaking for foreign made cars though. since yours is domestic, they might be using English units.
My 1998 Grand Prix has a 15mm head.
Try your metric crescent wrench.
a tape measure?

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