Close

No engine cylinder compression after replacing broken timing chain on car. on 2002 Pontiac Grand Am

no compression on any cylinder.

Asked by for the 2002 Pontiac Grand Am
Assuming chain is installed properly it would mean that valves were bent due to pistons coming in contact with them when the chain failed.
1 more answer
Assuming chain is installed properly it would mean that valves were bent due to pistons coming in contact with them when the chain failed.