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.


pretty bad
Typical Repair Cost:
Average Mileage:
82,310 miles
Total Complaints:
2 complaints

Most Common Solutions:

  1. had to have a new tranny installed (1 reports)
  2. not sure (1 reports)
2002 Chevrolet Trailblazer transmission problems

transmission problem

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2002 Chevrolet Trailblazer Owner Comments

problem #2

Sep 172008

Trailblazer LT 4.2L V6

  • Automatic transmission
  • 85,621 miles


Had to have the tranny replaced. Their is no reason that GM should have this many transmission failures at such low mileage.Especially in one model. It's just poor design from the engineers. I think these college educated engineers and top brass try to do this so people will have to spend money to fix them. All it does is upset people with GM and they will go buy another brand or foreign brand of some kind. Come on GM get with the program. You can do better then this.

- , Newton, IA, USA

problem #1

Nov 252008

Trailblazer LX 4.2L

  • Automatic transmission
  • 79,000 miles

when I found this web site I cannot believe all the problems with this transmission and GM will not do anything about it, I have talked to numerous mechanics and they have explained to me that this is a problem, I would like to know where I can go to get some help with this problem with no out of pocket expense, if any one finds a way let me know email address is louisserious, thanks for your help

- , rome, n.y., USA

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