Heater

2003 CHEVROLET MONTE CARLO
87,000 MILES • 6 CYL • FWD • AUTOMATIC
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JCTUMAN
  • MEMBER
  • 2 POSTS
How can I check and repair the blend door? Where is it in this car?
Dec 29, 2010 at 11:38 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
The blend door opens and closes based on if you want heat or AC. It is located near the heater core in the HVAC system. When you switch from cool to hot, the door should change positions.
Jan 3, 2011 at 8:49 AM
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