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2005 Mercury Mountaineer Question: my heater won't work, I only get cold air



BERT O., 4.0L V6, Peoria, AZ, January 27, 2011, 10:06

my heater doesn't work , I only get cold air all the time.
when i switch to hot air all I get is this clik, clik, clik
behind the air controls

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  • Answer #1

    techlund1 from Cottman Transmission and Total Auto Care, January 27, 2011, 10:23

    The clicking noise you are hearing is the blend door actuator trying to open the door. Most likely the motor will need replacement.

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