Question about 1998 Mercury Mountaineer

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Air conditioning only works on high

My 1998 Merc Mountaineer has a problem with air conditioning. It will ony blow cool air if the right control is on max ac. Otherwise, it blows hot air on all other settings on right control.

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  • 163 Answers

It sounds like you have a blend door problem.

Posted on Jun 16, 2009

6 Suggested Answers

harley9701ha
  • 424 Answers

SOURCE: Temperature Control not working on 1999 Ford Explorer

Sounds like your temperature actuator is not moving or your temp door is broken. On max a-c ,coolant is shut off to your heater core allowing only cold air in.

Posted on Jan 26, 2009

  • 420 Answers

SOURCE: ac not blowing cold air.

Sounds like the compressor has failed.

Posted on Apr 19, 2009

SOURCE: Blower fan does not shut off and AC does not blow cold on MAX

It seems the AC switch is faulty maybe it doesn't contact the compressor wire on the MAX.
Check the switch.

Posted on May 09, 2009

polarcycle
  • 1392 Answers

SOURCE: My air conditioning blows hot air. Won't accept

Is the system low on Freon? If not, you most likely have a bad A/C compressor, or a bad low pressure switch.

Posted on Jun 10, 2009

  • 73 Answers

SOURCE: 1998 Ford Windstar -Front A-C blows out defrost -

bad blend door acuator in the rear unit

Posted on Jul 01, 2009

  • 1596 Answers

SOURCE: air condition won't blow cold

Clogged ORFICE TUBE and or Low Freon Level.

Posted on Jun 04, 2010

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I have a 2004 Mercury Mountaineer. The heat and air works great in the back half of the car but not in the front. Any ideas?


Get a Chiltons/Haynes manual and see what controls the airflow to front/rear. Could be as simple as a flap control wire fallen off.

Nov 05, 2013 | Cars & Trucks

1 Answer

Controls for ac not working on 1998 buick century


see this steps and fix it. God bless you

Start the car and turn the air conditioning on. Allow the engine to run a few minutes so the air can cool. Check to make sure you have the proper buttons selected. This simple step may uncover the root of the problem.

  • 2 Adjust the air controls on the dashboard to see how they are working. If the controls move the way they should with the proper amount of resistance and stopping in the right places but have effect on the air, then the problem may as simple as a blown fuse. If the controls are not working at all, then the problem is in the control panel.
  • 3 Get to the fuse box in a Ford Explorer by removing the instrument panel to the left and slightly below the steering wheel. There is a fuse remover provided in the fuse box. A blown fuse will have a broken wire in it. In a Ford Explorer, this fuse is red number 10.
  • 4 Find the control panel by prying off the top instrument panel around the air conditioning temperature controls. Unscrew four screws, one in each corner, and remove the temperature control panel. Unplug four electrical connectors and one vacuum hose to the control panel.
  • 5 Listen for the blower motor to be properly working while the engine is running and the air conditioning controls are turned to high. Adjust them from low to high to make sure the blower motor noise increases and decrease accordingly.
  • Oct 04, 2012 | 1998 Buick Century

    1 Answer

    Compressor is working allowing hot air to blow but only when on high--mechanic says possible leak and wants to put dye to find leak--so my compressor is fine? or the air wouldn't be blowing t all?


    The compressor has nothing to do with the heater box blowing air. The compressor is used to 'compress' a gas and change it to liquid and back to gas, etc to produce cooling eg air conditioning. Your system is leaking gas and dye is sometimes the only way to find a small leak.

    Aug 07, 2011 | 1998 Buick Century

    1 Answer

    Air condition won't blow cold


    Clogged ORFICE TUBE and or Low Freon Level.

    Jun 04, 2010 | 1998 Plymouth Breeze

    1 Answer

    1998 honda accord ex air conditioning not cool


    Did you check the condensor fan to make sure its working

    Apr 17, 2010 | 1998 Honda Accord

    2 Answers

    My Mercedes Benz 1998 E320 AC is cooling on one side only


    most likely u have a defective air temp control blend door actruator problem or the blend door is warped and stuck..

    Jun 26, 2009 | Mercedes-Benz E320 Cars & Trucks

    1 Answer

    Air conditioning blowing only highest setting but HOT air


    Sounds like your freon has leaked out and your heater blower resistor is burned out. Deffinitly take this to the dealer.

    May 20, 2009 | 2001 Honda Odyssey

    1 Answer

    '03 Merc Mountaineer humming noise when turning


    If same tires as before & air pressure set correctly, or as usual, a humming when swerving, or turning one way or the other or both, it's usually a pretty good indicator.

    Mar 06, 2009 | 2003 Mercury Mountaineer

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