Print this page 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.


hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
54,923 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 transmission problems

transmission problem

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2002 Chevrolet Trailblazer Owner Comments

problem #4

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 #3

Nov 142006

Trailblazer 4WD 6-cyl

  • Automatic transmission
  • 71,620 miles
I bought a 2002 Trailblazer lzt on 8/5/06 from carmax. Vehicle had been doing fine until 11/14/06. I was pulling out on the road making a left hand turn and it just slipped into neutral on it's own and left me stranded in the middle of the road with a fed ex truck barreling towards me. I shifted the car into neutral and switched it over to the 4WD and it went into gear. I had the car towed to the carmax where I purchased it from and they found a service bulletin on this vehicle for this same problem although when taken to a transmission shop they can find no evident problems with the car. I have looked up this vehicle on my car and was horrified to find hundreds of complaints on this vehicle. GM needs to do something about this problem before people get seriously hurt or killed! I am absolutely terrified to take my (2) children with me anywhere until this problem is fixed.

- Woodstock, GA, USA

problem #2

Mar 112006

Trailblazer 4WD 6-cyl

  • Automatic transmission
  • 68,073 miles
I am writing in a complaint on my Trailblazer transmission. My fiance decided to go shopping in St. Louis about 200 miles from home on her return home she was about 10 miles from home and she feels this instant jerk that made her go off the side of the road and then the vehicle had a constant humming noise. After she got control of vehicle and came to a stop. She had no gears or reverse. I am complaining because if she would have been in St. Louis she probably would have hit someone or killed someone when the transmission went out if she would have been in the high traffic area. I am writing this letter because I have wrote GM headquarters and the said they can't do anything about it. Well the vehicle isn't very old and our friends had the same thing happen to them but the went on vacation to Florida when theirs happened the only difference theirs was under recall is what the dealer told our friends. So they got there transmission changed for free and I have had to pay for a new transmission. GM headquarters told me for me to get my money back that you would have to recall the transmission on my certain model before I would get my money refunded to me. Please look into this matter. I know other people are having the same trouble. Thanks.

- Desoto, IL, USA

problem #1

Sep 022001


  • miles
Consumer states that the vehicle will not drive faster then 15 mph there is something wrong that is not allowing the vehicle to accelrate. Contacted dealer. Nlm

- Alvarado, TX, USA

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