2004 Mercury Marquis no cool air

Tiny
EILLIW
  • MEMBER
  • 2004 MERCURY MARQUIS
  • V8
  • 2WD
  • AUTOMATIC
  • 53,000 MILES
I am not getting any cool air thru my ac vents just on top of the dash where my defroser air come from. Hoe do I manually switch it to make the air to come out of my ac vents?
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Sunday, June 13th, 2010 AT 1:20 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • EXPERT
I think you are dealing with a vacuum leak in situation. The vents are actuated by vacuum. If there is a leak, what you described is what happens.

Check under the dash for disconnected, damaged, dryrotted. Vacuum hoses as well as under the hood. If you are lucky, you will hear a hissing sound from the leak with the engine running.

Let me know what you find.
Joe
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Tuesday, June 22nd, 2010 AT 12:13 AM

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