2009 Chevrolet Cobalt SS Engine Problems
- Complaints
- 3about this part
- Share
- 2%of 190 total for the year
- Median mileage
- 37,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine of the 2009 Chevrolet Cobalt SS, 2% of the 190 complaints for this model year. Where a mileage was given, the median is 37,000 miles. 1 of these say a crash was involved, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“December 29, 2011, I was driving home one evening in the cobalt when my car's engine shut off and I lost control on a semi-residential a few blocks from home. Driving at about 35-45 mp, downhill, I hit a parked car on the left side of the road (narrow road, cars parked on both sides, 2-way street). I thought, I'm going to die . …”
NHTSA complaint #10573809, filed 2014-03, 38,000 miles“When I drive the air bag warning goes on,and the tire stress goes on(which make me slow down worried ! ). I replaced the tires couple of times but I still get those warning(tires stress and air bag). Lately I also ran to problem with my engine. I took it to pep boys were they said I should replace it for 5700$.”
NHTSA complaint #10711938, filed 2015-04, 10,000 miles“Car suddenly showed symptoms of coolant loss a dye and pressure test was completed and found no external leaks. I drove the car to work the next day 15 minute commute and upon arriving low coolant indicator popped up I checked the dip stick to confirm my fear that the coolant was entering my oil system 1-way. Had the car towed to the dealership and after 2 weeks of teardown verified the engine had not signs of abuse and the head and headgasket was not warped or leaking/blown. The car was 2 months out of warranty and GM declined warranty. …”
NHTSA complaint #10630307, filed 2014-09, 37,000 milesRelated service bulletins
- 11009531Sep 27, 2024This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
- 11007116Aug 6, 2024This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
- 11007091Aug 5, 2024This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
- 11004761Jun 28, 2024This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or…
- 11000119Apr 26, 2024This service bulletin provides technicians with information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
- 10211658May 2, 2022This service bulletin provides policy information on warranty administration guidelines for multiple repairs with independent causes (GM Canada Dealers Only).
- 10082869Aug 29, 2016This informational bulletin provides additional information on how to install pistons and suggest what tools to use.
- 10082822Aug 12, 2016This informational bulletin provides information on how to test a battery and what is needed to warranty a battery.
- 10082814Aug 2, 2016This informational bulletin provides information to gm dealers on the correct cleaning methods when cleaning engine gasket sealing surfaces.
- 10082820Aug 1, 2016This informational bulletins provides information on the intake manifold inspection/replacement after servere internal engine damage.
Engine: other model years
Other parts of the 2009 Chevrolet Cobalt SS
163 complaintsAir bags
8 complaintsElectrical system
7 complaintsFuel system
7 complaintsSteering
4 complaintsOther or unknown
3 complaintsTires
3 complaintsTransmission and drivetrain
3 complaintsWheels
3 complaintsSeat belts
2 complaintsElectronic stability control
1 complaintsEngine cooling
1 complaints
← All problems reported for the 2009 Chevrolet Cobalt SS
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology