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: It would be ill-advised to blaze any trails with the 2004 Trailblazer. Its faulty fuel gauge could leave you stranded.


really awful
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
0 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 Trailblazer wheels / hubs problems

wheels / hubs problem

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2004 Chevrolet Trailblazer Owner Comments

problem #1

Aug 282011


  • miles


I am in the quick lube business and change oil on approximately 150 vehicles a day. Part of our service includes checking the tire pressure. On about 10% of the vehicles that have the "tire pressure monitoring system" we find corrosion and failing valve stems. On many instances the valve stem has broken off and because we were checking the tires we have to pay for the repair that can run into hundreds of dollars. These valve stem have been manufactured using incompatible materials that cause corrosion. It is not fair to us that we should have to pay $250 to repair a TPMS valve stem due to inadequate manufacturing. We have chosen to "not" check the tire pressure on the vehicles that upon visual inspection have corroded valve stems. This is a very dangerous condition for the consumer in that it is very important that the tire pressure is regularly checked. In my opinion a recall should be made on all vehicles with these inferior valve stems. Most american manufactured vehicles are to blame. This is a serious safety hazard that is only getting worse as time goes by.

- Hanford, CA, USA

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