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. Notes: The Trailblazer emerged from an "upscale trim line" of the Blazer, but there's nothing upscale about its transmission problems or its wonky, unpredictable headlights.


really awful
Crashes / Fires:
1 / 1
Injuries / Deaths:
1 / 0
Average Mileage:
58,304 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.

2002 Chevrolet Trailblazer suspension problems

suspension problem

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2002 Chevrolet Trailblazer Owner Comments

problem #10

Mar 042016


  • 155,000 miles


1. my drivers side window and door lock is shorted out and wont operate at all. While driving causing the window to remain down during a rain storm and impeding my visibility. I see they have recalls on other years for this exact same problem. 2. my seat belt cathes really tight and wont release casusing me pain. 3. my headlights regular beams keep coming loose and blowing out.ive had to fix this three times and I have only owned the vehicle for a week. Twice during driving at night once I am not sure when it blew. 4. the front suspension is having problems and I believe may be a recall issue. It makes loud noise like its cracking or breaking, while driving.

- Ft. Worth, TX, USA

problem #9

Jun 052014

Trailblazer 6-cyl

  • 148,000 miles
I was driving on highland ave. In South portland Maine, when, suddenly, the car seemed to lurch and try to go in different directions. When I examined the steering I found that the front wheels were indeed pointed outward. I called aaa and had them tow it to black point auto, where it still sits waiting for repairs.

- Scarborough, ME, USA

problem #8

Jul 092012


  • 70,000 miles
The contact owns a 2002 Chevrolet Trailblazer. The contact stated that while driving approximately 15-20 mph, the front end of the vehicle collapsed and the contact crashed into a wall. The vehicle was flipped onto the driver's side. The contact sustained injuries to the neck and back. The police were contacted and a report was filed. The contact was later treated at a hospital for his injuries. The vehicle was towed to an independent mechanic where it was deemed as destroyed and the contact was informed that the front lower control arm bracket fractured, which caused the crash. The manufacturer was contacted and they advised that the vehicle was not included in NHTSA campaign id number 01V126000 (suspension:front:control arm:lower arm). The failure mileage was approximately 70,000.

- Burr Ridge , IL, USA

problem #7

Oct 092011

Trailblazer 6-cyl

  • 40 miles


I was driving home from work and started hearing the trucks undercarriage start to rattle and grind on the bumps of the road. I had a sudden loss of power on engine and it wouldnt respond to my pressing on the gas. I believed that I had gas in the truck because the gauge read half full and apparently I was out of gas. So I proceeded to pull into a gas station and as soon as we filled up, the truck would not start! I saw that my check engine light was on and had to ask for a jumpstart to get it started again. At another time and date again the truck went dead, I asked for a jumpstart and the vehicle would not respond. I now had to buy a new battery because the car damaged the original battery and now with the new battery installed my car starts but will not stay on without me pressing on the gas while in park gear. I believe something may be defective with the electrical gauges, fuel delivery system, and suspension.

- Glendale , AZ, USA

problem #6

Dec 302010


  • 170,000 miles
I have a problem with my fan clutch. Transfer case and suspension problems.

- Nh, NH, USA

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problem #5

Feb 012007


  • miles
2002 Chevrolet Trailblazer with problems with car radio customer wants reimbursement for repairs* some type of electrical problem caused a loud pop to come through the speakers. The caused the radio to short out and the speakers to blow. The radio and speakers had been replaced several times. The amplifier also had to be replaced. The vehicle has been taken to the dealer on numerous occasions but they have been unable to correct the problem. The middle seat belt in the second row locked up as soon as it was fastened into the buckle. When the defroster was used the consumer heard a clicking noise. The dealer replaced the mode actuator and mode valve per tsb 04-01-38-002. The quarter panel on the roof seam sealer cracked and was rusted. The pull down strap on the rear hatch broke. The sway bar broke. A grinding noise was heard coming from the left front wheel when making sharp left turn. The dealer determined that suspension was misaligned and caused shield to touch rotor. The instrument cluster gauge was inoperative. The rear wiper did not touch the rear windshield. There was a high pitched noise coming from the right side tire whenever in motion. The dealer indicated it was improperly sealed.

- Chapmanville, WV, USA

problem #4

Aug 172004


  • 40,000 miles


Consumer heard clanking noises coming from the front/rear sway bar. Dealership repaired the problem.

- Manassas, VA, USA

problem #3

Dec 012001

Trailblazer 4WD 6-cyl

  • Automatic transmission
  • miles
The brake light went out multiple times without warning. The dealer was aware of the problem. There were no incidents to report at this time. The consumer stated when the vehicle was warm, the was a noise in the front end, the dealer replaced the axle seal and bearing, the O2 oxygen sensor was replaced. The 4-wheel drive was inoperative.

- Maysville, KY, USA

problem #2

Jun 242003

Trailblazer 6-cyl

  • Automatic transmission
  • miles
The rear right brake light was inoperative.. also the seat belt buckle was loose, the brakes squeaked and the front stabilizer was replaced because a noise was heard when the consumer made slow turns.

- Succasunna, NJ, USA

problem #1

Oct 182001

Trailblazer 4WD

  • miles
Consumer states vehicle pulls slightly causing tires to go bald and vehicle to spin in rain. Front end aligned.

- Scituate, MA, USA

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