THE DRIVER SIDE AIR VENTS BLOW WARM AIR ON A/C & COOL AIR ON HEAT.

2003 BUICK LESABRE
168,000 MILES
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DALE MCELHANY
  • MEMBER
  • 1 POST
I CHECKED VENT SOLONOID FUSES. THEY LOOKED OK, BUT I DO NOT HAVE A TESTER.
Mar 5, 2012 at 7:12 PM
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FIXITMR
  • CERTIFIED EXPERT
  • 9,990 POSTS
testers are cheap?
Mar 5, 2012 at 8:07 PM
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FIXITMR
  • CERTIFIED EXPERT
  • 9,990 POSTS
could be a bad actuator.
Mar 5, 2012 at 8:29 PM
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FIXITMR
  • CERTIFIED EXPERT
  • 9,990 POSTS
or bad temp controller.
Mar 5, 2012 at 8:34 PM