2005 CTS AC question
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Cadillac CTS First Generation Forum - 2003 - 2007 Discussion, 2005 CTS AC question in Cadillac CTS Coupe, Sport Sedan and Sport Wagon Forums; My 05 CTS gets nice cold air on the driver's side but the passenger vents blow less cool air and ...
  1. #1
    outsider is offline Cadillac Owners Connoisseur
    Automobile(s): 1987 Brougham D'Eligance, 1969 Calais Sedan, 1995 FWB
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    2005 CTS AC question

    My 05 CTS gets nice cold air on the driver's side but the passenger vents blow less cool air and the air flow is not as strong.

    Do you think some duct work is disconnected?

    If so how would I go about accessing it? From the bottom under the dash or do I have to remove some of the center control panel stuff (radio etc)?

    Thanks for any info

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  3. #2
    outsider is offline Cadillac Owners Connoisseur
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    Re: 2005 CTS AC question

    hate to bump but anyone know?

    Thanks

  4. #3
    krusty_tc is offline Cadillac Owners Member
    Automobile(s): 2003 CTS Luxury Sport
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    Re: 2005 CTS AC question

    In this guide of dash removal from KOT, http://www.cadillacforums.com/forums...l#post10648049 he mentions three sun sensors to adjust the cold air flow between the driver and passenger. It could be one possibility. Also there must be two thermostats for the driver and passenger as they have zone controls, another possibilty.

  5. #4
    jcornv15's Avatar
    jcornv15 is offline Cadillac Owners Member
    Automobile(s): 2007 CTS 3.6 Base
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    The entire dash needs to be removed to access the ducts and motors. I really do mean entire too. Center console, center stack, gauge cluster, glove box, all knee and foot bolsters. Then you get to the ducting only. If you need blending doors or heater core you need to remove an aluminum cast riveted sub firewall that I couldn't get past with out professional guidance.

    ForumRunner_20130803_074721.png

    My upper blending door wouldn't completely close and fought itself when turned off to shut.

  6. #5
    outsider is offline Cadillac Owners Connoisseur
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    Re: 2005 CTS AC question

    woah cool! thanks. Guess I'll just live with the slightly warmer air then

  7. #6
    05CTSOWNER is offline Cadillac Owners Member
    Automobile(s): 2005 CTS
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    Re: 2005 CTS AC question

    Is the blending door what directs what duct the air flows to? Mine always whined when opening and closing and is now stuck.

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