Interior air flow

Tiny
THORNTOT
  • MEMBER
  • 2003 MERCURY SABLE
I have no air coming out of my dash vents in response to button selections. Air only blows from defrost and/or floor. Air is plenty cold/hot, just doesn't blow from the dash vents when 'auto' is selected or if I choose dash air. Is some door stuck? Something I can spray WD40 on?
Sunday, June 5th, 2011 AT 1:23 AM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Sounds like you have a vacuum line off or a vacuum leak, check around the controller and the blend doors under the dash, access may be fairly restricted, if in doubt get a mechanic to test the system, I will look at the systematic and if there is any obvious point that may be a concern I will post it soon.
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Sunday, June 5th, 2011 AT 2:27 AM

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