Chevrolet Cobalt Service Brakes, Hydraulic Problems
Owners have filed 107 complaints with NHTSA about service brakes, hydraulic problems on the Chevrolet Cobalt across 6 model years. The 2005 model year has the most (27). The words owners use most often: “rear brakes” (12% of reports).
- 107service brakes, hydraulic complaints
- —median miles at failure
- 24mention a crash
- 10mention an injury
- 0related recalls
- 31%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Rear brakes: mentioned in 13 of 107 complaints (12%)
- Brake pads: mentioned in 9 of 107 complaints (8%)
- Traction control: mentioned in 9 of 107 complaints (8%)
At what mileage do service brakes, hydraulic problems happen?
Based on 80 complaints that reported the odometer reading.
How serious are the reports?
Of 107 complaints, 24 mention a crash, 1 a fire, 10 an injury.
Chevrolet Cobalt service brakes, hydraulic complaints by model year
| Model year | Service Brakes, Hydraulic complaints | Share of that year | Median miles |
|---|---|---|---|
| 2010 Cobalt | 14 | 2% | 7,000 |
| 2009 Cobalt | 10 | 1% | 27,255 |
| 2008 Cobalt | 12 | 1% | 18,000 |
| 2007 Cobalt | 19 | 1% | 32,000 |
| 2006 Cobalt | 25 | 1% | 21,950 |
| 2005 Cobalt | 27 | 2% | 37,000 |
When owners reported it
Related recalls (0)
No safety recall lists service brakes, hydraulic for the Chevrolet Cobalt. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
The contact owns a 2007 Chevrolet Cobalt. The contact stated that while driving approximately 35 MPH, the power steering warning light illuminated, and the contact had to manually steer the vehicle. The contact continued to drive the vehicle without power steering functionality. The contact stated…
2008 chevrolet cobalt. Consumer writes in regards to corrosion of the hydraulic brake lines causing fluid loss and impairment of full system braking. *smd the consumer stated an investigation showed the problem was due to a manufacturing defect. *jb
Tl* the contact owns a 2010 chevrolet cobalt. The contact stated that when the vehicle was started, the traction control and abs warning lights illuminated intermittently. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The failure mileage was 67,000.
Tl* the contact owns a 2009 chevrolet cobalt. While driving 45 mph, the vehicle suddenly stopped accelerating and would not respond when the accelerator pedal was depressed. The vehicle began vibrating and the contact heard a loud whining noise coming from the undercarriage. The contact was able to…
Letter from senator nelson on behalf of constituent concerning the chevy recall on cobalts for ignition key recalls; he handling for his daughter, the owner of the car; send respond directly to senator office, please ref: constituent. *smd the consumer stated while driving, he lost power momentary…

Frequently asked questions
Do all Chevrolet Cobalts have service brakes, hydraulic problems?
No. NHTSA has 107 owner complaints about service brakes, hydraulic for the Chevrolet Cobalt. Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the Chevrolet Cobalt service brakes, hydraulic?
No recall currently lists service brakes, hydraulic for this vehicle.
What do owners say about service brakes, hydraulic problems on the Chevrolet Cobalt?
The most frequent phrase is “rear brakes”, in 13 of 107 complaints, followed by “brake pads” (9).
Other Chevrolet Cobalt problems
- Steering problems (3,890)
- Electrical System problems (1,458)
- Fuel/propulsion System problems (1,107)
- Air Bags problems (609)
- Fuel System, Gasoline problems (478)
- Power Train problems (368)
- Engine problems (331)
- Suspension problems (218)
See all Chevrolet Cobalt problems.