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.

CarComplaints.com 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.

10.0

really awful
Crashes / Fires:
0 / 1
Injuries / Deaths:
1 / 0
Average Mileage:
54,100 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 #2

Aug 072006

Trailblazer 4WD 6-cyl

  • Automatic transmission
  • 87,000 miles

A D V E R T I S E M E N T S

My 2002 Trailblazer transmission cooler line failed when we went to replace it we were told that both lines had to be replaced ( only 1 was bad) because GM redesigned this part if the part was redesigned then they must have realized a mistake and this should have been recalled. We were lucky we noticed ours leaking when we did. We saw smoke and stopped before a fire. Now waiting on parts to fix, dealer item only and not in stock. Trailblazer not old enough for this to be happening.

- Luther, MI, USA

problem #1

Jul 262004

Trailblazer 4WD 6-cyl

  • Automatic transmission
  • 21,200 miles
There were no events that took place before this happened. The failure was a coupling on the high pressure transmission line. The transmission fluid sprayed onto exhaust manifold and started a major engine fire. Nothing has been done at this time.

- Browns Mills, NJ, USA

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