Chevrolet Cobalt Service Brakes, Hydraulic Problems

Source: NHTSA · Updated Aug 15, 2026 · 107 complaints analyzed

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).

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.

Under 10k miles22 · 28%
10k–25k miles17 · 21%
25k–50k miles19 · 24%
50k–75k miles13 · 16%
75k–100k miles4 · 5%
100k–150k miles4 · 5%
150k+ miles1 · 1%

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

Peak: 2005, with 27 complaints
2005: 272005272006: 252006252007: 192007192008: 122008122009: 102009102010: 14201014

n = 107 complaints · Source: NHTSA

Model yearService Brakes, Hydraulic complaintsShare of that yearMedian miles
2010 Cobalt142%7,000
2009 Cobalt101%27,255
2008 Cobalt121%18,000
2007 Cobalt191%32,000
2006 Cobalt251%21,950
2005 Cobalt272%37,000

When owners reported it

Peak: 2010, with 31 complaints
2005: 5200552006: 9200692007: 142007142008: 6200862009: 8200982010: 312010312011: 172011172012: 5201252013: 3201332014: 7201472016: 1201612025: 120251

n = 107 complaints · Source: NHTSA

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…

Received Apr 23, 2025 · NHTSA complaint 11656377

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

Received Jan 12, 2016 · NHTSA complaint 10836173

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.

Received Dec 17, 2014 · NHTSA complaint 10664787

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…

Received Sep 8, 2014 · NHTSA complaint 10631427

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…

Received Jun 30, 2014 · NHTSA complaint 10607320
Chevrolet Cobalt
2005-2007 Chevrolet Cobalt photographed in USA.. Representative photo; appearance varies by model year. Photo: IFCAR, Public domain, via Wikimedia Commons.

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

See all Chevrolet Cobalt problems.