Engine Knocking Noise problems of the 2012 Chevrolet Impala

One problem related to engine knocking noise has been reported for the 2012 Chevrolet Impala. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2012 Chevrolet Impala based on all problems reported for the 2012 Impala.

car   Engine Knocking Noise problem 1
Failure Date: 11/25/2011

Engine makes a knocking noise while accelerating. I drove another one and the noise was even worse, that one had 15000 miles on it. This seems to be a common problem with them all. I am very unhappy with this car. I don't enjoy hearing all this noise from a new car. (now has 6000 miles on it) if I can't resolve this problem it will be the last gm car I ever buy. The dealer had me drive another new 2012 Impala when I mentioned the noise, it also sounded the same. Gm definitely didn't address this problem before production.




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