2004 Chevy Trailblazer Heater Problems

2004 CHEVROLET TRAILBLAZER
180,000 MILES • 6 CYL • AWD • AUTOMATIC
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CFTLOW85
  • MEMBER
  • 1 POST
My heater went out on my Trailblazer and wanted to know why and how to fix. thank you
May 1, 2008 at 9:46 PM
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BMRFIXIT
  • ✓ASE Certified Mechanic
  • 19,053 POSTS
  • ASE Certified Mechanic
blower fan not working
check fuses and relay
check blower motor and connector
no hot air
check thermostat and coolant level
check heater core and flush coolant system
May 1, 2008 at 10:02 PM
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