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CarComplaints.com Notes: The 2002-2007 Chevrolet Trailblazer is known for many things, but perhaps it is most famous for its faulty fuel gauge.

This gauge flip-flops more than a politician during election season. Some report that the gauge says "empty" after a fill-up, while others report the gauge says "full" when they're running on fumes. Either way, there's one thing everyone seems to agree on: the darn thing is just wrong.

Following hundreds of complaints and a few accidents allegedly caused by the malfunction, the National Highway Traffic Safety Administration (NHTSA) opened an investigation into the issue in May 2011. Unfortunately for frustrated owners, no recall has been announced.

7.6

pretty bad
Typical Repair Cost:
$270
Average Mileage:
78,650 miles
Total Complaints:
24 complaints

Most Common Solutions:

  1. not sure (18 reports)
  2. replace blower motor control, resistor and connector (6 reports)
2005 Chevrolet Trailblazer AC / heater problems

AC / heater problem

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2005 Chevrolet Trailblazer Owner Comments (Page 2 of 2)

« Read the previous 20 complaints

problem #4

Dec 022009

Trailblazer LS 4.2L Inline 6

  • Automatic transmission
  • 70,000 miles

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

I have a 2005 trailblazer and the fan will not work on all settings and I have a check engine light that just showed up, this suv is a piece of junk!!!!

- Lincoln T., Reedsburg, WI, US

problem #3

Jan 132010

Trailblazer V6

  • Automatic transmission
  • 76,000 miles

Nice trailblazer but the heater took a dump it stopped working on the 5 setting and now has stopped completely also the air conditioning does not work at all I know it is going to be costly to fix and I bought this vechicle because I have 3 children and especially with the heater not working living in a cold state with lots of snow, this just really has been a dilemma and $ to fix is the main problem.

- Nieves L., Alma, MI, US

problem #2

Oct 152008

Trailblazer V6

  • Automatic transmission
  • 64,000 miles

Well where to start! :( I have a 2005 Chevy Trailblazer with about 64,000 miles on it. About a year and a half ago the gas gauge stopped working (Always reads Empty, gas Lights always on), and also my front heat will not work at all on any setting. and the rear heat comes on when ever the hell it Feels like it!! My warranty has been up on it at 30,000 miles, and they want like $1,500 to fix the problems!! I have 3 kids and 1 on the way that i have to drive around in this thing!! Living in Indiana in this Snow I can not drive because theres no heat. And it won't pass Emission testing now because of this!!! If anyone has the same problems please look me up on Facebook, Something needs to be done here its time to Make a RECALL on these problems!! Crystal Jansky

- Crystal J., Whiting, IN, US

problem #1

Nov 122008

Trailblazer EXT 4.2L I6

  • Automatic transmission
  • 57,000 miles

If I turn the heater all the way up, it stops working all together. I runs on 4, just not 5. I noticed that it is also starting to do it when the AC is running, just not consistently. This is just one of the series of $1500 in repairs I have to do on my less than 60k mile vehicle. Thank you GMC, I have absolutely no use for $1500. In fact, all five of my kids say, "THANK YOU GMC", for another quality product.

- Michael M., Meridian, ID, US

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