2008 Chevrolet Cobalt problems & reliability
845 owner complaints filed with NHTSA for the 2008 Chevrolet Cobalt, alongside 4 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
44 complaints report injuries (79 injured, 13 deaths reported).
Federal crash records (FARS 2020–2023): 2008 Chevrolet Cobalt vehicles were involved in 111 fatal crashes with 97 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Steering | 309 | 37% |
| Fuel/propulsion System | 202 | 24% |
| Electrical System | 166 | 20% |
| Air Bags | 98 | 12% |
| Fuel System, Gasoline | 40 | 5% |
| Engine | 36 | 4% |
| Power Train | 29 | 3% |
| Suspension | 27 | 3% |
| Vehicle Speed Control | 22 | 3% |
| Exterior Lighting | 18 | 2% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 76,000 miles (middle 50% between 46,250 and 110,000 miles), based on 663 complaints that included mileage.
Complaints by incident year
What owners report
“The contact owns a 2008 Chevrolet Cobalt. The contact stated that the power steering suddenly failed to operate as needed. The vehicle was turned off for a while and restarted for the power steering functionality to return. The failure was persistent. The contact stated that the power steering warning light flashed on…”
Steering · filed Jun 25, 2025
“The fuel line is leaking fuel on the drivers side near the passenger door. The leak is to the point where it is pooling under the door on the ground.”
Fuel/propulsion System · filed Jun 6, 2025
“The ignition doest work right n want release the key the car dies n stalls while driving we was almost hit by a trooper n he called we spoke to 2 people n they had a gm call us n they said that this has been a big concern of these cars n we tried n tried to get it fixed n they say sorry can't can they when something…”
Electrical System · filed May 19, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Fuel Line Leak
Preliminary Evaluation PE20011 · opened Jul 5, 2020 · closed Aug 17, 2023
- Electric Power Steering Failure
Preliminary Evaluation PE10005 · opened Jan 27, 2010 · closed Jul 19, 2010 · led to recall 10V073000
Technical service bulletins
945 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2008 Chevrolet Cobalt. The 10 most recent:
New Vehicle Monitoring Programs Section in IVH
13598 · Other · issued Sep 9, 2025
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may…
PIC5650M · Service Bulletin/Repair Instructions · issued Aug 7, 2025
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
PIP5601C · Service Bulletin/Repair Instructions · issued Jul 18, 2025
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
PIT5074R · Service Bulletin/Repair Instructions · issued May 30, 2025
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
PIT5074R · Service Bulletin/Repair Instructions · issued May 30, 2025
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
PIT5074R · Service Bulletin/Repair Instructions · issued May 30, 2025
This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or…
PIP5358D · Service Bulletin/Repair Instructions · issued Feb 20, 2025
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe…
PIT5074Q · Service Bulletin/Repair Instructions · issued Dec 7, 2024
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8…
PIP4723J · Service Bulletin/Repair Instructions · issued Oct 25, 2024
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
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2008 Chevrolet Cobalt has 4 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2008 Chevrolet Cobalt?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 76,000 miles — budget accordingly if the car is approaching that mileage.