2007 Chevrolet HHR engine problems
18 owner complaints filed with NHTSA name the engine on the 2007 Chevrolet HHR — 2% of all complaints for this model year.
What owners report
“Defective timing chain tensioner caused chain to jump time and cause valve damage costing $2000 in repairs. Apparently tensioner was known defect but never recalled.”
filed Aug 31, 2017
“I was driving my 07 chevrolet hhr @ 45 mph when the dash display blinked then displayed engine power reduced, followed by a substantial reduction of speed. I couldn't accelerate beyond 30 mph, so I pulled off of the road to avoid being hit by the 18 wheeler traveling behind me. I turned the engine…”
filed Mar 10, 2017
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
04-06-04-051J · Service Bulletin/Repair Instructions · issued Sep 27, 2024
Engine problems in other HHR years
| Year | Reports | Share |
|---|---|---|
| 2011 HHR | 24 | 12% |
| 2010 HHR | 14 | 3% |
| 2009 HHR | 18 | 4% |
| 2008 HHR | 19 | 3% |
| 2006 HHR | 39 | 4% |
Other reported problem areas on the 2007 Chevrolet HHR
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.