We don't have a lot of Chevrolet Trailblazer cooling system problems on file — feel free to add yours here. The most common Trailblazer cooling system problems cost $400 to fix & occur at 76,000 miles. Click on a year below.

Worst Cooling System Problems
clutch ticking sound 2003 Chevrolet Trailblazer
water pump failure 2005 Chevrolet Trailblazer
cooling fan roars 2002 Chevrolet Trailblazer