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Thread: New O-rings bad EATC?

  1. #16
    Join Date
    Jul 2014
    Location
    lakeland florida
    Posts
    2
    Quote Originally Posted by Vortech347 View Post
    Its still the box. The O-rings are not a garantee fix. 2,4shofast and myself have both done them and did not have good results.

    You can trick the AC Into blowing into the vents if you disconnect the unit from the car harness then run a jumper hose from the white/black/blue 3 way. This will give you max A/C to the dash.
    Could you give me detailed instructions on how the trick the ac o blow from the vents, thank you

  2. #17
    Join Date
    Sep 2002
    Location
    Cape Cod, MA
    Posts
    13,676
    Pull out the EATC unit.
    Disconnect the vacuum plug with all the pretty coloured hoses.
    Connect a jumper hose from the black (vacuum supply) to the blue (panel door motor).
    You may need to also connect the white (air inlet motor) hose to get cold air. Not sure about that.
    The Blackbird
    Trilogy #61
    Driveway Queen

    The Spruce Goose
    2004 Grand Marquis LS Limited Edition
    Daily Driver

  3. #18
    Join Date
    Jul 2014
    Location
    lakeland florida
    Posts
    2
    Has anybody found a fix for this issue yet? Ac is stuck coming through defrost vent. O-rings have been replaced and the diagnostic is not showing any codes or 888.

  4. #19
    Join Date
    Apr 2010
    Location
    Western Canada
    Posts
    1,088

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