199 of the
9,343 complaints filed about the Chevrolet Trailblazer
are about the body and structure —
2% of everything owners reported.
The worst model year for it is 2003.
The contact owns a 2005 Chevrolet Trailblazer. The contact stated that while driving at an undisclosed speed, the brakes failed to operate as needed and the vehicle nearly crashed. Additionally, the contact reported that the rear of the vehicle lifted significantly and made a popping sound while driving. The vehicle was driven to an independent mechanic who diagnosed the vehicle with brake line failures, ABS malfunction, and severe structural deterioration of the undercarriage and the sub frame. The contact had recently purchased the vehicle and was informed that the vehicle was in good condition. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 109,124.
NHTSA complaint #11730050 — an unverified report by a vehicle owner.
The contact owns a 2005 Chevrolet Trailblazer. The contact stated that while driving at an undisclosed speed, the brakes failed to operate as needed and the vehicle nearly crashed. Additionally, the contact reported that the rear of the vehicle lifted significantly and made a popping sound while driving. The vehicle was driven to an independent mechanic who diagnosed the vehicle with brake line failures, ABS malfunction, and severe structural deterioration of the undercarriage and the sub frame. The contact had recently purchased the vehicle and was informed that the vehicle was in good condition. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 109,124.
NHTSA complaint #11730050 — an unverified report by a vehicle owner.
The exhaust system and muffler fell off the bottom of my vehicle. The bolts holding the exhaust together failed and broke which led to this. This is a common failure with the newer trailblazer that GM is failing to acknowledge. There have been multiple reports of this. I had my vehicle inspected by Webb Chevy in oak Lawn IL and all the mechanic could say is “they don’t make them like they used to” which means they know this problem exists. This 100% put me at risk as I could’ve crashed with my daughter in the car when the muffler disconnected causing it to scrape and lose power. This was extremely dangerous and should’ve been a recall. There was no warning lights or anything. My vehicle just ran into issues mid traffic and this was extremely scary. There’s multiple online forums of people with this same issue: [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
NHTSA complaint #11723133 — an unverified report by a vehicle owner.
The contact owns a 2006 Chevrolet Trailblazer. The contact stated that while having a routine oil change by an independent mechanic, the contact was informed that the frame was rust on the vehicle was rusted. The local dealer was contacted, but the vehicle was not diagnosed or repaired. The manufacturer was not contacted. The approximate failure mileage was 226,569.
NHTSA complaint #11697682 — an unverified report by a vehicle owner.
The exhaust and muffler completely detached from the catalytic converter/exhaust manifold while driving down the road. If we were driving at a higher rate of speed, the exhaust pipe could've caught on any imperfection on the roadway and shot the rear end of the vehicle up and then potentially caused an accident/death. This has happened to many I have discovered upon further research and is a common problem with the vehicle according to the dealership. Vehicle has been towed to the dealership to be inspected and/or repaired. Zero warning signals, lamps, or messages.
NHTSA complaint #11686490 — an unverified report by a vehicle owner.
I could turn off the engine after driving, but the key stays in the position between the engine being on and the car being off (for example when you can listen to music but your car isn’t running). The battery light came on after the issue started and so the car service place charged us to replace the battery, because they had to turn on and of the car a lot and the car had to continue to run. I took it to a car service place and they ran tests and called Chevy test support to run diagnosis tests. They can’t figure it out. They think it might be the body control module. Not sure what that is. The car only has 31,000 miles on it and this is a safety issue because what if this happens and the steering wheel locks or it becomes a rolling hazard. This would affect the driver and others. There were no lights or errors indicating a problem before this happened.
NHTSA complaint #11657328 — an unverified report by a vehicle owner.
Found standing water in spare tire well. Back seat constantly wet, growing mold. The whole back area is moldy, mold under driver seat. My back passenger door seal has mold and water. Seat belts in back, MOLD. I had to wear a mask just to drive to the store. The mold turning black the day I took it to a shop for a water test. It's been two days and I still haven't heard anything about the water test.
NHTSA complaint #11636360 — an unverified report by a vehicle owner.
I first noticed an issue about a year ago when an electrical blaring noise was coming from my speakers followed by popping and crackling noises. I have taken my car into the dealership several times without resolution. Since then, I have noticed excessive humidity in the vehicle and recently found the trunk was flooded. I took the vehicle in to the dealership again, and they say the interior fabric is compromised now and the electrical sounds I was experiencing are coming from electrical damage inside the body. I have now read another review online from someone who had the exact same experience with this make and model. I believe this is a safety hazard to drivers who are unknowingly driving around for months in a vehicle that could be flooding and could cause severe damages like in my case. I have documents to support these claims, but I do not have electronic copies. If someone reaches out to me I can provide hard copies.
NHTSA complaint #11602667 — an unverified report by a vehicle owner.
FRAME ROTTING OUT - HAS ROT HOLES - UNSAFE - REMAINDER OF TRUCK IS GOOD BUT WITHOUT A SOLID STRUCTURE THIS TRUCK IS UNSAFE AND USELESS. MANY TRAILBLAZER FRAMES DO NOT LAST AND ROT OUT FROM WHAT I'VE BEEN RESEARCHING. BAD PRODUCT GM.
NHTSA complaint #11564319 — an unverified report by a vehicle owner.
The brakes I’ve had issues with them making noises since I purchased my car. The rubber around the wheel wells about 6 months after I purchased my car and the shift to park just started this month September 2023. I feel my car is a piece of crap that’s falling apart.
NHTSA complaint #11546640 — an unverified report by a vehicle owner.
The contact owns a 2021 Chevrolet Trailblazer. The contact stated that during inclement weather, water accumulated inside all four door panels. The contact stated no warning light was illuminated. The vehicle was taken to the local dealer and the contact was informed that the failure was common in the year, make, and model vehicle. The vehicle was not repaired. The manufacturer had been informed of the failure. The failure mileage was 23,520.
NHTSA complaint #11532225 — an unverified report by a vehicle owner.
On this vehicle the manufacturer is using plastic exhaust brackets. This bracket broke while driving on interstate. This caused the entire exhaust system to drop. When this happens the pipes underneath the car can break and cause serious damage to underside of vehicle which can then cause sparking and explosion or vehicle crash. Looking at pics below you will see the defective plastic part is GM Part# 42708943.
NHTSA complaint #11498289 — an unverified report by a vehicle owner.
The contact owns a 2021 Chevrolet Trailblazer. The contact stated that while outside the vehicle, the power liftgate opened and closed independently. The liftgate struck the driver on the head. The vehicle was taken to the local dealer but the vehicle was not diagnosed or repaired. The manufacturer was notified of the failure but no additional assistance was provided. The approximate failure mileage was 5. The contact stated that this issue happens a lot and at any time.
NHTSA complaint #11463175 — an unverified report by a vehicle owner.
Rear frame rail rust through at control arm mount locations on both driver and passenger side. In addition frame from suspension mount forward approx 2feet rust through. Vehicle was kept washed and has no other rust issues except for frame. I’ve learned that this was an issue from 2003 to 2008 model years. This issue has been checked and verified thru a reputable garage
NHTSA complaint #11452002 — an unverified report by a vehicle owner.
The contact owns a 2005 Chevrolet Trailblazer. The contact stated while driving 50 MPH with a fully loaded pull behind 6X12 U-Haul trailer hitched to the vehicle on the highway, a tractor trailer drove by at 70 MPH, and the wake turbulence from the tractor trailer caused the U-Haul trailer to fishtail, the vehicle and trailer did a 180-degree skid, spun around, and then jackknifed; causing damages to the U-Haul trailer and the vehicle. There were no injuries sustained. The contact was concerned about the safety of the design of the U-Haul trailer. The contact stated that the U-Hauler trailer was not designed with the proper wheel and axle configuration which caused the trailer to be unsafe while driving over bumps or depressions on the roadway. The contact stated that he was advised by the South Carolina State Patrol to file a Collision Report. The contact had not yet contacted U-Haul to report the failure. The vehicle was still drivable and was driven to the residence. The vehicle was not yet repaired. The vehicle manufacturer was not notified of the failure. The approximate failure mileage was 208,000.
NHTSA complaint #11451416 — an unverified report by a vehicle owner.
I have had multiple issues with the car since I've purchased it. The brakes continuously make noise, and the automatic Emergency Braking DOES not work. The tire pressure sensors don't work, they have the wrong tire pressure for each tire, and the tires constantly over inflate. Also, my front bumper is coming off. I've taken it to the dealership for all of these things, the dealership said the brakes seem fine, the front bumper clips seem to have warn down for some reason, and that they reset my tire pressure. There was no permanent solution. They put a band aid on my problem and I still have all of these issues.
NHTSA complaint #11444324 — an unverified report by a vehicle owner.
I was driving on the freeway and my panoramic moonroof literally exploded from the inside out. It sounded like a gunshot almost. Then the glass shattered. I am glad that the screen was closed otherwise all the glass would have gotten in my car.
NHTSA complaint #11435288 — an unverified report by a vehicle owner.
PURCHASED ON 7/24/20. ON 8/1, FOUND A DEFECT SPOT ON GRILL. DEALERSHIP ORDERED NEW GRILL. ON 8/9, NOTICED PAINT BUBBLING/PEELING ON HOOD. 8/15 - 8/20, DEALERSHIP HAD GRILL REPLACED AND HOOD PAINTED. 8/21, NOTICED HOOD NOT PAINTED COMPLETELY. 8/24 - 8/28, DEALERSHIP HAD VEHICLE TO REPAINT HOOD. 9/17 FOUND FENDER CLIPS ON FRONT PASSENGER SIDE MISSING.10/2 BACK TO HAVE CLIPS INSTALLED. DEALER DIDN'T ORDER ENOUGH CLIPS SO WAITING ON MORE CLIPS TO ARRIVE. 10/16 BACK TO HAVE REMAINING CLIPS INSTALLED. 10/27 NOTICED PAINT PEELING UNDER PASSENGER SIDE HEADLIGHT. I HAVE AN OPEN CLAIM WITH GM REGARDING ALL OF THIS.
NHTSA complaint #11366803 — an unverified report by a vehicle owner.