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

Hissing mostly occurs when accelerating.

by in Saint Charles, MO on July 29, 2013
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3 answers
ANSWER by , July 30, 2013
you could have a vacuum leak at the blend door actuator also check your freon level
ANSWER by , July 30, 2013
is the cold air coming out of the defrost vents?
ANSWER by , July 30, 2013
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.