2003 Chevy Impala Switching from defrost to air conditioner

2003 CHEVROLET IMPALA
61,875 MILES • 6 CYL • 2WD • AUTOMATIC
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GARY L. MORTON
  • MEMBER
  • 1 POST
When switching from defrost setting to air conditioner setting, warm air continues to come out on the driver side only. The car has dual air controls for driver and rider sides. After the car sets for a while it will revert back to normal operation.
Sep 29, 2008 at 7:29 AM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
Hi Gary,

Thank you for the donation.

The air delivery are controlled by vacumn actuators. There is a possibility of vacumn leakages causing the problem. Check driver side vent door actuator for vacumn leakages.
Sep 30, 2008 at 2:34 AM
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