2003 SLS A/C issue
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Cadillac Seville / Cadillac Eldorado Forum Discussion, 2003 SLS A/C issue in Past Cadillac Vehicle Discussion; I have a problem with my A/C. When it is on the passenger side 2 vents blows ice cold air ...
  1. #1
    jesserb is offline Cadillac Owners Member
    Automobile(s): 2003 SLS
    Join Date
    Dec 2011
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    2003 SLS A/C issue

    I have a problem with my A/C. When it is on the passenger side 2 vents blows ice cold air BUT the driver side is blowing air like it is the heater. Any suggestions?

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  3. #2
    basscatt's Avatar
    basscatt is offline Cadillac Owners 10000+ Posts
    Automobile(s): 89 Coupe DeVille, 95 Sedan DeVille, 03 SLS, two 02 DHS's
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    Re: 2003 SLS A/C issue

    Quote Originally Posted by jesserb View Post
    I have a problem with my A/C. When it is on the passenger side 2 vents blows ice cold air BUT the driver side is blowing air like it is the heater. Any suggestions?
    -----------------------
    start with checking for Diagnostic Trouble Codes -

    if you don't know how - go here and read the ENTIRE post -

    http://www.cadillacforums.com/forums...odes-dtcs.html

    if you have any codes - post them here -
    ALONG WITH THEIR DEFINITIONS -

    --------

    to diagnose AC problems -
    you need to connect a quality set of guages -

    then post BOTH the HIGH pressure readings -
    and the LOW pressure readings -

    along with the ambient - outside - air temp -

    and the air discharge temp at the center AC vent -
    with the temp set at 60* and a medium speed fan -

  4. #3
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
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    Jun 2004
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    Woodstock Ill.
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    Re: 2003 SLS A/C issue

    Is the drivers side "hot" or just warm? Ambient or warm is a sign of low refrigerant. Not quite low enough to set a DTC though.

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