One problem related to cooling fan has been reported for the 2009 Chevrolet HHR. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2009 Chevrolet HHR based on all problems reported for the 2009 HHR.
2009 chevy Hhr has 50,000 miles on it and I have noticed that the temperature runs very hot with no explanation. Fluids full, clean and regularly serviced. The cooling fan kicks on when sitting idle for any small period of time.