2004 GMC Yukon heating

Tiny
BRUGA007
  • MEMBER
  • 2004 GMC YUKON
  • V8
  • 4WD
  • AUTOMATIC
  • 110,000 MILES
This is a split zone heating and cooling in the front. The driver side only blows cold air, and the passenger side only blows hot air. No matter where the slide is at. Could it be the actuator? And if so which one? The temp actuator?
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Sunday, October 19th, 2014 AT 10:21 AM

11 Replies

Tiny
JACOBANDNICKOLAS
  • EXPERT
Your vehicle has two blend air doors. If you are referring to the blend door actuator, that is my first guess. They are located near the heater core box under the dash. Check to see if they respond when you try to adjust the heat / cold.

Let me know what you find.
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Tuesday, October 21st, 2014 AT 4:37 PM
Tiny
BRUGA007
  • MEMBER
I was wondering since both sides went out at the same time, is there something common? Would both actuators fail at the same time?Or is there also a common temp actuator? I will pull the cover and take a look and tell you what I find thanks
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Wednesday, October 22nd, 2014 AT 3:30 PM
Tiny
JACOBANDNICKOLAS
  • EXPERT
It's odd that both would go at the same time. Have you checked simple things such as fuses or power supplies?
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Wednesday, October 22nd, 2014 AT 5:23 PM
Tiny
BRUGA007
  • MEMBER
Hello again,
I removed the blend door actuator and manually moved arm side to side. I now have hot air and cold coming from drivers side, so I ordered the replacement. Does the passenger side have a seperate actuator as well? That side seems to only blow hot air. If so where is it located? Thx jeff
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Thursday, October 23rd, 2014 AT 5:44 PM
Tiny
JACOBANDNICKOLAS
  • EXPERT
Yes, both have their own actuator.
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Thursday, October 23rd, 2014 AT 5:50 PM
Tiny
BRUGA007
  • MEMBER
Where is the other one? Thx I only see one when I remove the cover
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Thursday, October 23rd, 2014 AT 6:38 PM
Tiny
JACOBANDNICKOLAS
  • EXPERT
See if these pics help. One is the left and the other the right.
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Friday, October 24th, 2014 AT 8:17 PM
Tiny
BRUGA007
  • MEMBER
That's the same picture thanks though
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Friday, October 24th, 2014 AT 9:18 PM
Tiny
JACOBANDNICKOLAS
  • EXPERT
Wow! I must have selected the same one 2 times. Did it help or do you need me to find the other?
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Saturday, October 25th, 2014 AT 8:20 PM
Tiny
BRUGA007
  • MEMBER
No I'm good thanks, passenger side is ok, and new actuator was the fix thanks for the help!
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Monday, October 27th, 2014 AT 12:22 PM
Tiny
JACOBANDNICKOLAS
  • EXPERT
Glad you got it fixed. Let me know if I can help in the future.

Take care,
Joe
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Monday, October 27th, 2014 AT 6:03 PM

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