Here are Chevrolet Trailblazer AC / heater problems, by model year. The most common Trailblazer AC / heater problems cost $400 to fix & occur at 83,000 miles. Click on a year below.

Worst Ac / Heater Problems
fan switch doesn't work on all settings 2002 Chevrolet Trailblazer
blower fan motor stopped working 2005 Chevrolet Trailblazer
AC / heater does not work 2002 Chevrolet Trailblazer