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.


hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
65,000 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.

2004 Chevrolet Avalanche drivetrain problems

drivetrain problem

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2004 Chevrolet Avalanche Owner Comments

problem #1

Feb 022008

Avalanche 4WD 8-cyl

  • Manual transmission
  • 65,000 miles


May 2006 electronic switch replaced because 4 wheel drive was engaging without being activated. Had been to dealership several times with problem and finally had them admit there was a problem. Feb 2008 front wheel drive had to be replaced as it was a possibility that it could lock up while driving. Out of warranty so I had to pay $1,300 in repairs. Contacted GM exec offices and they investigated only to advise they could do nothing because the car warranty 35,000 miles had expired and car had 65,000 miles on it. I think the front end drive was damaged when the switch failed and it took time for it to fail.

- Charlotte, NC, USA

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