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:
2 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
59,568 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 body / paint problems

body / paint problem

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2002 Chevrolet Trailblazer Owner Comments

problem #13

Sep 092014

Trailblazer 4WD 6-cyl

  • miles


I was traveling down IH146 toward kemah, traffic so I turned in the turning lane so I could turn left at IH646 this car came out of nowhere, hit my vehicle then I swerved into the other lane, checked my vehicle and seen that it was not damaged very bad. So I approached the young lady and asked her if she was alright and she said she was. Told her and showed her the damaged to my vehicle, she asked for my insurance information and I told her that I had the old one, but call me in 1 hour and I will give it to you; so I did, she showed me her vehicle and stated it was a old car; the plastic underneath was hanging down and I touched it and told her all she needed was to put some more screws to fix it on the right front side of her car and the front cover of her light was popped up just a little.I didn't think that I needed her information cause it wasn't a lot of damage done ;and she did not give me her information, and she did not call the police the time it happen was at 5:30pm very hot.

- Texas City , TX, USA

problem #12

Oct 012012

Trailblazer 6-cyl

  • 95,000 miles
The fiberglass cowling on top of the rear hatch fell off while driving, dangling only by the brake light cable. I had to cut the wire and remove the piece of body and light. Went to dealer asking about repair, they said it was caused by "use of the tailgate during winter conditions of snow and ice." They said "we see it all the time." I asked, since it occurs with high frequency, if it is covered by warranty, bulletin or recall and they said "no, GM considers this an owner/operator error." In other words, on this vehicle, a 4X4, the tailgate cannot nor should not be used, in the midwest, during periods of snow or ice? alas, I am driving without the mandatory center brake light. Please remedy this situation with proper replacement. Sadly, I see this condition on the same make and model more often than not.

- Oak Park, IL, USA

problem #11

Apr 092014

Trailblazer 6-cyl

  • 102,000 miles
When traveling on the interstate, the molding piece that surrounds the rear third brake light flew off and the brake light was left dangling against the read window. Thankfully there was no one immediately behind us, so the part did not hit a vehicle. After many calls to area body shops I'm being told this is a "known issue with this part" and our only option is to pay hundreds of dollars for a new part from Chevrolet and then pay hundreds more to have it painted and installed!

- Esko, MN, USA

problem #10

Aug 182013


  • 74,000 miles


TL- the contact owns a 2002 Chevrolet Trailblazer. The contact stated that while performing routine maintenance and an independent mechanic the frame of the vehicle was found to have dangerous levels of rust and corrosion. Parts of the vehicle were breaking off with a slight touch of hand. The vehicle had not been repaired. The failure and current mileage was 74,000.

- Livingston Manor, NY, USA

problem #9

Oct 192012


  • 164,000 miles
Was under vehicle and noticed a stress crack in the frame on the passenger side under the motor mount. This looks like it can be a potentially serious issue and looks as if it has been there for a while. The crack is approximately 6" long and on the very bottom of the frame directly below the engine mounting bracket.

- Pataskala, OH, USA

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problem #8

Sep 062011


  • 110,000 miles
The contact owns a 2002 Chevrolet Trailblazer. The contact stated that the frame was completely corroded. The vehicle was taken to an independent mechanic who verified the failure and advised the contact not to drive the vehicle since it was considered a safety hazard. The manufacturer was made aware of the failure who did not offer any assistance. The vehicle was not repaired. The failure mileage was 110,000 and the current mileage was 119,000.

- Rocky Hill , CT, USA

problem #7

Aug 292011


  • 67,822 miles


The contact owns a 2002 Chevrolet Trailblazer. The contact stated that the vehicle was taken to a local mechanic for routine inspection when the mechanic advised that the passenger side underbody was corroded. The mechanic advised that the wheel could separate from the vehicle because of the failure. The mechanic also advised that the vehicle was unsafe to drive in its current state. The manufacturer was contacted and advised that the vehicle would need to be diagnosed by an authorized dealer. In addition, the manufacturer advised that they were unable to assist with any repairs because the vehicle was not longer under warranty. The vehicle was not repaired. The failure and the current mileage was 67,822.

- Marion Heights , PA, USA

problem #6

Mar 092008


  • 68,563 miles
The contact owns a 2002 Chevrolet Trailblazer. In March of 2008, the rear hatch glass suddenly shattered. The hatch had just been in use prior to the failure. The contact heard a popping sound and realized that the glass shattered outward all over her yard and driveway. She took the vehicle to the dealer and they stated that the repair would cost $1,200. The vehicle was taken to a repair shop and, with the assistance of her insurance company, the glass was repaired. In September of 2008, she took the vehicle to the dealer because the rear windshield wiper malfunctioned. The dealer replaced the wiper motor. In December of 2008, she took the vehicle to a dealer because the tailgate was closing hard, grinding progressively worse, and the rear windshield wiper would still not work. The dealer repaired the failures; however, the wiper still malfunctioned. In January of 2009, the shattered rear hatch failure occurred again. The contact stated that no one touched the vehicle for at least three hours before the glass shattered. She took the vehicle to another dealer and they stated that it was normal wear and tear; therefore, they could not assist. The dealer also cited that there was poor terminal tension in the liftgate. The manufacturer had not been notified. The contact had photos of the shattered glass. The current mileage was approximately 77,000 and failure mileage was 68,563.

- Chesterfield, MI, USA

problem #5

Jul 132008


  • 80,000 miles
Fan clutch replaced on my 2002 Chevy Trailblazer this year and also a water pump second time.

- Water Valley, MS, USA

problem #4

Jul 302002

Trailblazer 6-cyl

  • Automatic transmission
  • 3,000 miles
Engine stalls ; engine hesitates; engine trembles.

- Austin, TX, USA

problem #3

Dec 292002


  • 10,000 miles


If the 2 U shaped hooks that hold the spoiler in place detach the spoiler pops up above the truck. When this occurs the spoiler is not wind resistant. This results in the other plastic spoiler attachments weakening, and causing the spoiler to separate from the body of the truck, and to fly into oncoming traffic. The spoiler was replaced. However, this failure recurred.

- Athens, NY, USA

problem #2

Nov 032002


  • miles
Purchased car two weeks later was in dealership with problems when driving. Was told tires were bad. Tires were replaced. Car has two noises when driving down the road and you hit a bump. Car still has whinning sound in the passenger side door even though the seal has been replaced in all 4 doors. When you close the driver door you hear the same noise that you hear when you are driving down the road. Has already been to the dealer for this several times but they don't know what to do about it.

- Chapin, IL, USA

problem #1

Jan 212001

Trailblazer 4WD

  • Automatic transmission
  • miles
Front wheel well liners are not connected to well frame properly. This causes debris to get caught between the liners. Dealer/manufacturer notified. The dealership was unable to fix the insecure wheel liners properly and the consumer was concerned about a possible accident.

- Cincinnati, OH, USA

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