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HVAC control

Tiny
ROBCABBIE
  • MEMBER
  • 1999 PLYMOUTH VOYAGER
  • 3.3L
  • V6
  • FWD
  • AUTOMATIC
  • 250,000 MILES
Air only comes out at the defrost vents. No change with replacement of control panel or recalibration of unit.
Saturday, May 28th, 2016 AT 4:32 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Is there engine vacuum to the control panel? The defroster is the default if there is an issue. If engine vacuum is not getting to the system, the vents cannot change air flow direction.
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Monday, May 30th, 2016 AT 7:09 PM
Tiny
ROBCABBIE
  • MEMBER
  • 3 POSTS
First answer is correct. It's an all day job. Shop charge 3 to 5 hundred labor plus part. Must have skinny hands, very tight space.?
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Monday, June 6th, 2016 AT 2:00 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,650 POSTS
It sounds like a blend door actuator is bad on the left side of the heater box, here is a diagram and guide to help you

https://www.2carpros.com/articles/replace-blend-door-motor

Let me know what you find

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Monday, June 6th, 2016 AT 4:36 PM

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