One problem related to power train driveline has been reported for the 2007 Chevrolet HHR. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2007 Chevrolet HHR based on all problems reported for the 2007 HHR.
Chevrolet Hhr 2007 suspension and direction elements seems to be defective or needs to be reinforced. I have one and pieces have been replaced twice. I am in mexico city.