I have no front heat in my 2006 Pontiac Montana.

Tiny
JKLITZGRASS
  • 2006 PONTIAC MONTANA
  • 61,000 MILES

I have no front heat in my 2006 Pontiac Montana van, the blower blows only cold air. I have replaced 3 actuators under the passager side. Do you have a diagram for the remaining actuators for my vehicle. Also, wondering if the problem is something else, ex: heater hoses. The block gets hot, but no heat comes into the front of the van, only cold air. Thank you.

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Monday, November 5th, 2012 AT 4:31 PM

7 Replies

Tiny
SATURNTECH9
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So both heater hoses going into the front heater core are getting really hot?

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Monday, November 5th, 2012 AT 5:33 PM
Tiny
JKLITZGRASS
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Yes, both heater hoses are hot

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Monday, November 5th, 2012 AT 5:37 PM
Tiny
SATURNTECH9
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So did you see if the blend door is moving?

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Tuesday, November 6th, 2012 AT 8:57 PM
Tiny
JKLITZGRASS
  • MEMBER

One door further into the under dash was stuck, when I moved that, heat started to come in. But stopped again. Not to sure how to replace that actuator, and how many more actuators there are to check. Can you possibly supply me with an image of all the actuators, where they are and what I need to get them replaced. Like I said, I have replaced 3 that were under the passage side panel, when I replaced these, the clicking stopped, but no heat! Thanks so much for all your help!

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Wednesday, November 7th, 2012 AT 11:50 AM
Tiny
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Do you have auto climate control or manual controls?

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Wednesday, November 7th, 2012 AT 9:21 PM
Tiny
JKLITZGRASS
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Manual controls.

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Thursday, November 8th, 2012 AT 12:11 PM
Tiny
SATURNTECH9
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I posted a diagram of where the blend door is its number 5 in the diagram.I would have the hvac control scanned for codes looks like it has one even though it doesnt have a auto climate control. Thats where I would start a diyer scan tool cant scan that module.

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Thursday, November 8th, 2012 AT 9:03 PM

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