1989 Mercury Grand Marquis "ac blows" Questions

...AC ON AND HEAT BLOWS .ARE IT COULD BE YOUR AIR DOOR STAYING OPEN BECAUSE IT IS STUCK IT IS CALLED YOUR CONTROL PANEL SENCER OR MOGULATOR THAT WENT OUT I HAD THE SAME PROBLEM THANK GOD IM A ...

aac doesnt blow air hot air no cool air First check you fuses you should have at least two fuses,2nd if that dont work take a wire and run it straight from the battery to the ac switch if it starts to

how do i check for my ac problems to find out why is not blowing ? ac problems my computer dash is reading celcius and not feirenhight howdie does it blow hot air? is the a/c pump turning?give me some

...ac blows out ac vents then out defrost vent as you are going down the road. it blows cold and it good. whats the matter. in ur ac htr system ur mode doors are also contrlled by vacuum switchin and ...

my ac or heat won't work My ac was working fine all day then I cut the car off when I started the car back up and tryd to turn on the ac it didn't blow at all. My heat or defrost ...

ac on 96 grand marquis continues to blow hot air with new compressor and freon? The first question is do you know if the ac compressor is running ?If one ac line is hot and the other is cold you may ...

...blows from all of the vents Check to make sure the engine vacuum is getting to the heater/ac control. Bad vacuum hose or leak. Many vehicles use engine vacuum to move heater doors and controls. When ...

ac don't work ac won't work . clutch that rides on belt won't enguage and when I turn on ac or heater it blow's a fuse to my blinkers! Any ideas? thanks tom check a/c compressor by pulling compressor ...

...ground and the fuse blows. Remove turn signal lights, try a new fuse. If it still blows remove the back up lights. If it still blows the problem is the Ac or the relays controlling the signal

ac blows fine when idling but when under power ac goes off and heater comes on vacuum leak. mine was under the plenum. there are two major vac. hoses under it.