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?

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

1 Answer

  • Tiny
  • merlin2021
  • Expert
  • 17,583 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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