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2003 Ford Thunderbird Question: A/C air is cool not cold can hear hiss like a vacuum leak coming from dashboard

 

Question

Thomas E, Saint Charles, MO, July 29, 2013, 20:11
 Rookie

Hissing mostly occurs when accelerating.

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  • Answer #1

    goodguy July 30, 2013, 04:36
     Master

    you could have a vacuum leak at the blend door actuator also check your freon level

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  • Answer #2

    Greg's Orange Auto (12192 Answers) , Orange, CA - (714) 361-9386
    globalhelper July 30, 2013, 06:02
     Master

    is the cold air coming out of the defrost vents?

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  • Answer #3

    mrfordman July 30, 2013, 11:45
     Journeyman

    this car has several different valves that control the a/c and heater. a dealer can run diag on your a/c to see if it is more than just a Freon concern. did one not to long ago, heater valve stuck open. no cold air. set a code in the control module.

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