I am doing a head gasket replacement and I nee to know where is piston number 1 is located on my car so that I can put it at TOP DEAD CENTER. Also how do I know which valves are the intake and which ones are the exhaust because I forgot to label them in the order I took them out. Someone please help!
Need to know where piston number 1 is located. on 2002 Pontiac Grand Am
by jrich4344 in Lake Charles, LA on May 06, 2012
ANSWER by Autohaus Lake Norman on May 06, 2012
Not sure when you posted this, but if you still need to know, #1 cylinder is the first piston on the back row (closest to the alternator). Its 1, 3, 5 across the back and 2, 4, 6 up front.