One problem related to oil pump 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.
While driving at 20 mph the oil pump went which through the whole engine off bent the vales which caused the chain to skip over the cams always kept the oil changed up keep was always good only 138. 000 miles never buy chevy again.