Defrost only

Tiny
MARK MCCAIN
  • MEMBER
  • 2005 GMC YUKON
  • 6.0L
  • V8
  • AWD
  • AUTOMATIC
  • 135,000 MILES
Air only blows through defrost regardless of what is selected. Do you have a specific video for this repair?
Friday, January 6th, 2017 AT 2:53 PM

1 Reply

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
No, assuming HVAC is automatic. This has scan capabilities that would be the first thing to do have system scanned for codes. Maybe HVAC control module very costly or maybe control motor. System is complex scanning is way to go to avoid costly parts swapping.
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Friday, January 6th, 2017 AT 3:28 PM

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