Mechanics

PONTIAC GRAND AM PISTON PROBLEM

1997 Pontiac Grand Am • 168,000 miles

We are having a problem we replace the head and pistons and now the head has 2broke pistons and a dent in the head this is the second head, the first one was the pistons on 4 was broke in half and had to replace the pistons with rings. So please help us why this is happening the cam shalf was replace last year with a new one.
Avatar
Guest
March 22, 2013.



It sound as if the valve timing is wrong, to repair this there is just far to much information that will have to be typed here, I would be at it all day, I would go get a work shop manual or look to see if there is one at a local library, this will give you all the info and plenty of pics to assist you with the major engine re build.

Mhpautos
Mar 22, 2013.