2004 Chevy Trailblazer Heater Problems

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 2:46 PM
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BMRFIXIT
  • ✓Experienced Mechanic
  • 19,053 POSTS
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 3:02 PM
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