96 Grand Marque Clicking noise in dash board

Tiny
JOHN 223
  • 1996 MERCURY MARQUIS

I have a 1996 Mercury Grand Marque LS, w/ auto climate controle. When I change the temperature there used to be a loud clicking sound from inside the dash board. Now it always blowes hot air no matter what the temperature is set to, even with the A/C on. Could this be the controle unit, or is there a faulty vacuum valvle?

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Saturday, March 24th, 2007 AT 1:53 PM

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Tiny
MERLIN2021
  • EXPERT
  • 17,581 POSTS

It's the srvo that attaches to the blend door, either the door or servo needs attention.

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Friday, June 15th, 2007 AT 1:44 PM

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