One problem related to engine clicking and tapping noises has been reported for the 2008 Chevrolet HHR. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2008 Chevrolet HHR based on all problems reported for the 2008 HHR.
Our car had engine troubles where it kept shifting back into neutral while we were trying to drive on the highway and then on side streets on the way home. While driving it to get repaired, there was a loud popping noise and the engine burst into flames. The flames consumed a large portion of the car.