99 Pontiac Grand am se head gasket repair 3.4

Asked by Rampage_755 Feb 18, 2017 at 11:43 PM about the 1999 Pontiac Grand Am 4 Dr SE Sedan

Question type: Maintenance & Repair

Car won't start after repair is complete just
back fires do you know what would cause
that problem

1 Answer

221,015

Possible the timing marks are not lined up on the crankshaft gear and the camshaft gear. When you re-install the timing chain your suppose to rotate the engine by hand 2 revolutions to make sure the timing marks line back up.

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