Huge win for car owners! All TSBs to be made public. The Center for Auto Safety just made the NHTSA (US Government) make public the full text of all TSBs from now on. They are the same organization that has petitioned the NHTSA & filed lawsuits to protect car owners over exploding gas tanks & other major safety issues. Whenever you drive in your car, you are safer thanks in part to a lot of work over the years by this small but very effective consumer advocacy group.

Please take a moment & say thank you by donating $5 or whatever you can to the Center for Auto Safety.


really awful
Crashes / Fires:
1 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
19,228 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2008 Chevrolet Cobalt wheels / hubs problems

wheels / hubs problem

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2008 Chevrolet Cobalt Owner Comments

problem #4

Oct 032012

Cobalt 4-cyl

  • 17,632 miles


Driving car on interstate at approx. 70 miles per hour. Rear drivers side tire separated causing car to veer off the road into grassy area. Proceeded approx. 75 feet before stopping vehicle. Car had over $1200 dollars worth of damage to rear bumper, tail light and rear door from tire beating up against car. The whole tread separated from the tire.

- Richmond, KY, USA

problem #3

Oct 282011

Cobalt 4-cyl

  • 10,000 miles
Hankook optimo 725 P205/55R16 tires sidewall with extreme cracking! very similar to the hankook dynapro recall. Cobalt has very low mileage, so many consumers may not be experiencing a problem of this sort due to a car with higher mileage (and needing a tire change). I have contacted hankook and my new car dealer (kenny ross Chevrolet), but has promised me nothing to this point. I am terrified of a blow-out, and possible bodily injury, due to the extent of the cracking sidewalls. Also, these tires are leaking air pressure, which is a big concern that it may well be the valve stem, or possibly the cracking of the sidewalls. All four tires are cracked extensively.

- North Irwin, PA, USA

problem #2

Jun 282009


  • 31,322 miles
The contact leased a 2008 Chevrolet Cobalt. The vehicle has Continental touringcontact as tires, size 195/60/R15 (na). While driving between 55-60 mph, the contact heard a loud noise outside of the vehicle. She immediately pulled the vehicle over to the side of the road. She observed that the front driver's side tire lost an excessive amount of pressure. Roadside assistance was called to the scene and they replaced the tire with a spare. The vehicle was taken to an authorized dealer for inspection and they stated that the front driver's side tire exhibited severe tread separation. The tire was replaced with a new one. The failure mileage was 31,322 and current mileage was 32,300.

- Utica , MS, USA

problem #1

Dec 122008


  • 17,957 miles
Driving in inclement weather, car performs poorly. Hard to control and poor traction. Car has 18,000 miles on it. Spoke to an owner with similar car (Pontiac G5) who has similar complaint. A week ago an 18 year old girl lost control of her 2007 Cobalt during winter weather. Worst car in winter weather I have owned.

- Medina, OH, USA

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