heater constantly blows out hot air

2001 CHEVROLET BLAZER
120,000 MILES
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KWILSON531
  • MEMBER
  • 1 POST
all vents work but even when ac is turned on the heater blows out very hot air. you cannot turn it off.
Jan 6, 2012 at 12:31 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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