Chevrolet HHR owners have reported 1 problem related to oil pump (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Chevrolet HHR based on all problems reported for the 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.
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