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Duel Control Passanger heating not blowing heat

Tiny
SEIFRIED94
  • MEMBER
  • 2009 GMC ACADIA
  • 43,500 MILES
I have 2009 GMC acadia with duel climate control. Today I noticed that heat was not coming from the passanger side. Heat was coming from all the other zones. The passanger side vents were just blowing cold air. What might be the problem and what is the fix?
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Sunday, November 20th, 2011 AT 11:58 PM

2 Replies

Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Air controller might be disconnected. This is a valve of sorts that diverts the air flow to the proper outlets.
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Monday, November 21st, 2011 AT 12:06 AM
Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Look under/behind the dash at the AC/heater controls. Follow the cable/connector from the temperature control switch to the airbox/blower assembly. Make sure all of the cables and actuators are connected.
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Monday, November 21st, 2011 AT 12:08 AM

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