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Thread: A/C thru the defrost...

  1. #1
    Join Date
    Jan 2008
    Location
    Cincinnati,Ohio
    Age
    61
    Posts
    60

    A/C thru the defrost...

    What gives, my a/c only comes out thru the defrost. didn't someone post this awhile back with an answer? if not HELP!!!!!!!!!!!!!! my eyes are freezing!!!

  2. #2
    Join Date
    Aug 2007
    Location
    Belleville
    Age
    48
    Posts
    1,243
    My wifes MM had the same problem and now mine is having it as well. If I remember correctly it is the control module for the A/C, heater malfunctioning. I know others have had the same problems as well. I have yet to get mine fixed.

    Hack

  3. #3
    Join Date
    Jan 2004
    Location
    Somewhere in the N.C. Triangle
    Age
    68
    Posts
    26,250
    There is a way to repair the HVAC control unit. You'll need to search this website.
    “When you can’t make them see the light, make them feel the heat.”
    Ronald Regan

    "The only way to deal with the Islamic State - these blood thirsty, blood-drunken, terrorists -
    is to kill them, keep on killing them, until you kill the last one, then you kill his pet goat."

    Lt. Colonel Ralph Peters

    “Be polite, be professional, but have a plan to kill everybody you meet.”
    "I come in peace. I didn't bring artillery. But I'm pleading with you, with tears in my eyes, if you **** with me, I'll kill you all"
    General James Mattis




  4. #4
    Join Date
    Oct 2004
    Location
    Southern California
    Age
    69
    Posts
    507
    Common problem. O-rings in the EATC (climate control) module harden and shrink,
    causing a vacuum leak. Defrost is the default position. Fix is not all that diffucult.

    Here's the link to the instructions-
    http://www.mercurymarauder.net/forum...ad.php?t=36922
    Cheers,
    Jeff Cook

    '03 Marauder 300B, Dark Blue Pearl, Dark Charcoal/Flint interior, Badgeless front and rear, 4.10s and Lidio Tune

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