2004 Chevrolet Tahoe Front air selection

Tiny
TNTLEWIS
  • MEMBER
  • 2004 CHEVROLET TAHOE
  • 5.3L
  • V8
  • AWD
  • AUTOMATIC
  • 120,000 MILES
My air in the front of the tahoe onlys comes out of the defrost vents no matter what mode I select. Any ideas as to what it can be and what I need to replace top fix it?

Thanks
Tuesday, August 5th, 2014 AT 5:45 AM

4 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Try pulling hvac fuse with key on it may reset keep it out for 60 seconds if not the actuator may not be working or getting power if not getting power then it has to be scanned. See pic
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Wednesday, December 4th, 2019 AT 8:28 PM
Tiny
TNTLEWIS
  • MEMBER
  • 3 POSTS
Thank you for the info!

Would it possibly be a blend door actuator? If so where is that one located? From what I have found out there are at least two installed up front.
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Wednesday, December 4th, 2019 AT 8:28 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Blend actuators are for temperature like cold to hot mode motors are for direction. Ther eis only one mode actuator
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Wednesday, December 4th, 2019 AT 8:28 PM
Tiny
TNTLEWIS
  • MEMBER
  • 3 POSTS
Resetting the fuse worked. Thank you!
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Wednesday, December 4th, 2019 AT 8:28 PM

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