dual controls drivers side only blows out cold air

1998 BUICK
90,000 MILES • 3.8L • V6 • FWD • AUTOMATIC
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DANIEL DAILEY
  • MEMBER
  • 13 POSTS
on the dual controls the drivers side is blowing out cold air! passenger side warm air. replaced thermostat. still no warm air for drivers side. help! Dan Dailey
Jan 8, 2017 at 4:41 AM
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DOCFIXIT
  • ✓Experienced Mechanic
  • 18,828 POSTS
Suggest taking to dealer to have HVAC scanned they have equipment to diagnose. Maybe driver side temperature sensor or the control head.
Jan 8, 2017 at 5:16 AM
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