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

8.0

pretty bad
Typical Repair Cost:
$500.00
Average Mileage:
92,000 miles
Total Complaints:
1 complaints

Most Common Solutions:

  1. replace heater core (1 reports)
2004 Chevrolet Trailblazer AC / heater problems

AC / heater problem

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2004 Chevrolet Trailblazer Owner Comments

problem #1

Aug 252011

Trailblazer LS 4.2L V6

  • Automatic transmission
  • 92,000 miles

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

Around the end of September, my father and I noticed antifreeze leaking from under the Right Rear of the car. Didn't think much of it, considering that's where the exhaust is, but as the weather got colder, the rear vents would not blow any hot air at all. We Burped the coolant system, and noticed the system was losing coolant pretty fast. So we checked around, I did some searching, and found out it was the heater core in the rear. We ordered one from Ebay, and had a family friend help us replace it. I do NOT recommend doing this yourself, as we had to tear the side panel off and let loose some Freon to install the new core. We got everything installed and put back into place, and a year later, its still running strong. Good luck, and Happy Tinkering!

- , Killen, AL, USA

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