If anyone happens to know what size the head is on the oil pan drain bolt for a 1996 Buick Century 3.1L V6 I'd appreciate the info -- I'm hoping to save myself having to jack up the car an extra time just to check. Thanks!
SOURCE: What size socket do I
Hello ph91: My name is Roger and I will help you. The drain plug could be one of two sizes.It will either be a 13mm or 14mm sized nut. Should you need further help please just ask. Please rate the answer. Thank You for using Fix Ya. Roger
SOURCE: 1990 Buick Century Wheel Cylinder
I would guess it is metric,as are most all bolts,except some large size chassis bolts,and have been since about 1983. You got rust issues also.
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If it were that easy for me to have done, I wouldn't have bothered asking. As it happens for others who may be looking it takes a metric 14mm socket - and if you're going with an impact wrench/driver, go with a deep socket.
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