No AC in my 2001 DTS

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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, No AC in my 2001 DTS in Past Cadillac Vehicle Discussion; I recently had engine work done because the cylinder heads were warped. As a result after going without my vehicle ...
  1. #1
    Biggirlcaddie is offline Cadillac Owners Member
    Join Date
    Jan 2013

    No AC in my 2001 DTS

    I recently had engine work done because the cylinder heads were warped. As a result after going without my vehicle for 65 days now the ac doesn't work. Freon has been added but it only blows hot air. Before it was worked on the a/c worked fine. Could something possibly have gotten damaged while the engine work was being done?

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  3. #2
    grullon10's Avatar
    grullon10 is offline Cadillac Owners Enthusiast
    Automobile(s): 2006 cadillac dts
    Join Date
    Dec 2012
    Hi you are at the wrong forum this forum is 06 to 11 dts not deville dts from 00 to 05 you have to go to the deville forum.

  4. #3
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
    Automobile(s): 2002.5 F55 STS - 67,500 miles, 2014 Explorer XLT FWD
    Join Date
    Feb 2006
    MD Eastern Shore, Kent Island

    Re: No AC in my 2001 DTS

    Moved to the proper forum: Deville. Please read the forum title and the descriptive text in the banner to find out what is supposed to be posted there.

    Use the sticky post just above this one ^^^ "How to pull codes" - study, and get any stored diagnostic codes from your car's built-in scanner/reader. use the supplied links to get to definitions of all codes found. Post it all here - faults in the HVAC system wil set trouble codes ......

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  6. #4
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
    Join Date
    Jun 2004
    Woodstock Ill.

    Re: No AC in my 2001 DTS

    "Warped head"? Not likely. You may have had a failed HG, but it is extremely unlikely that the head was warped which lead me to question the knowledge of the person doing the work. Most likel;y they never recharged the A/C system after reinstalling the motor.

    Did they insert all 20 head bolt holes?

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