I'm no expert when it comes to your vehicle. However it sounds to me as though there may be a vacuum leak somewhere causing the HVAC door that controls the AC/heat to be faulting to the 'hot' side.
Drive the car up to 55 MPH with the AC on. Making sure there is no vehicles close behind you,completely let off the gas pedal and see if it starts blowing cold air right after letting off the throttle. If it blows cold, then it's probably a vacuum leak.
If it doesn't blow cold then it could simply be low on freon or a partially clogged filter in the AC line.
Hope this helps.
Find the vacuum ball. It is cracked or been disconnected.
Have the system tested for proper operating pressure. If pressure ok, I would suspect a vacuum issue to one of the blend doors in the heating/ac box assembly. Possible vacuum motor to blend door/vacuum check valve etc
SOURCE: ac blowing hot air on 2005 lincoln ls. just sarted today
Needs to be recharged and you more than likely have a leak somewhere
SOURCE: air only blows hot on 96 lincoln
Sounds like the heater and a/c blend door actuator. It is located under front center of dash below windshield. Dash must be removed to replace it. I've done it several times.
SOURCE: 1998 lincoln Town car Air conditioning vent
I have hot air coming out into my car, but their is cold air in
in air conditon system. What Do I Do?
SOURCE: 2000 lincoln LS AC blowing hot air i've replaced t...
You need a scanner to diagnose,not a code reader.
The DATC Module ( Dual Automatic Temperature Control Module) is a possible
SOURCE: my Ac only blows cold
check to see if your a/c cooling fan(in front of car,behind grille) is working. also check freon levels, it might be low at idle speeds, but increase with engine rpm increase.
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