2002 Pontiac Grand Am, broken timing chain, engine will not run


Asked by Oct 18, 2011 at 02:26 PM about the 2002 Pontiac Grand Am

Question type: Maintenance & Repair

I have a 2002 Pontiac Grand Am with a broken timing chain. My question is: how difficult will this be to fix and what other damage might have been caused to the engine when the chain broke? I was also told that if the water pump went out it might have caused the chain to break. Any advice would help. Thanks :)

12 Answers


have you tried getting a new car

5 people found this helpful.

possible you dropped valves in2 the piston...major work ..head work pistons valves rods crank possible...major

3 people found this helpful.

Move on...its probably done


time for another car OR if u like this one alot, get a factory rebuilt engine / recycled engine.

1 people found this helpful.

Drop the oil and look for fragments.

4 people found this helpful.

Thanks Jason, I thought I might need to have the engine replaced but wasn't sure if there was an easier fix. Thanks again for the advice. I appreciate it.

2 people found this helpful.

Thanks Brian_Gus68, I will definitely give that a try :)!


i'm running the Riviera on a factory rebuild.. it was ok and it lasts.. i have 70k miles on it but #2 cylinder is starting to leak oil. bad valve guide/rings? i'm investigating.

1 people found this helpful.

thye are not bad if you have the proper tools and that is the magic work special tools

1 people found this helpful.

you will need to either replace the heads or the valves, which ever is cheaper, or go for a new/used engine. the pistons likely made contact with the valves and caused damage

1 people found this helpful.

:) good luck.


The 2002's and the early 2003's had a poorly designed timing chain oiler. It didn't work well enough at higher RPM's. If you are repairing a timing chain failure, update the chain oiling system and chain guides. Replace the water pump at the same time too.

1 people found this helpful.

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