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Thread: Need help with climate control

  1. #1
    dk1 is offline Cadillac Owners Member
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    Need help with climate control

    My a/c is blowing warm on the drivers side and I have no codes but based on what I've read hear I removed the glove box and can see the actuator moving but I'm not really sure what I'm looking at. I was hoping to see a broken lever but the actuator shaft goes into this big box. Any input would be appreciated.

    Thanks guys.


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  3. #2
    basscatt's Avatar
    basscatt is offline Cadillac Owners 10000+ Posts
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    Re: Need help with climate control

    Quote Originally Posted by dk1 View Post
    My a/c is blowing warm on the drivers side and I have no codes but based on what I've read hear I removed the glove box and can see the actuator moving but I'm not really sure what I'm looking at. I was hoping to see a broken lever but the actuator shaft goes into this big box. Any input would be appreciated.

    Thanks guys.
    ------------------------------------
    assuming the temperature selectors are set to the same temp -
    and assuming the actuators are functioning properly -
    the most likely cause is a low charge of freon -

    connect a set of AC gauges - and report back with BOTH -
    the HIGH pressure reading - and LOW pressure reading -

    DO NOT BE TEMPTED TO JUST ADD SOME FREON -
    you could damage the system -

    and DON'T be tempted with one of those mickey-mouse "recharge kits" -
    with the el-cheapo gauge attached to a hose -

  4. #3
    dk1 is offline Cadillac Owners Member
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    Re: Need help with climate control

    I forgot to mention I've had the system checked several times since the condensor was replaced and the charge is accurate. This is a problem that comes and goes since I've owned it, sometimes just working the temp from 60 to 90 a few times corrects it but other times not. I did notice a paper clip when I took it apart and it makes me think someone riged it previously but I can't see where it may have connected.

  5. #4
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: Need help with climate control

    Quote Originally Posted by dk1 View Post
    sometimes just working the temp from 60 to 90 a few times corrects it but other times not.
    Definitely an actuator or sticking door.

  6. #5
    basscatt's Avatar
    basscatt is offline Cadillac Owners 10000+ Posts
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    Re: Need help with climate control

    Quote Originally Posted by dk1 View Post
    I forgot to mention I've had the system checked several times since the condensor was replaced and the charge is accurate. This is a problem that comes and goes since I've owned it, sometimes just working the temp from 60 to 90 a few times corrects it but other times not. I did notice a paper clip when I took it apart and it makes me think someone riged it previously but I can't see where it may have connected.
    --------------------------
    it's POSSIBLE the MIX - or BLEND door is sticky -
    give it a little shot of WD40 at the pivot points -
    and check around the edges of the flap for some loose foam -
    or some other obstruction -

    the other possibility - is a bad actuator -
    but that would usually set a code - or you would hear it clicking -

  7. #6
    dk1 is offline Cadillac Owners Member
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    Re: Need help with climate control

    I will try that as I did remove the rest of the filthy cabin filter yesterday. I removed it 3 years ago but when I was under there I noticed more was in there I removed like 1 and a half more so it could be junk in there. How do I access the driver side? Do I remove the side panel by the accelerator?

  8. #7
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: Need help with climate control

    Yes. Remove that panel and then remove the 3 stacked interlocking filter elements.

  9. #8
    dk1 is offline Cadillac Owners Member
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    Re: Need help with climate control

    Thanks I think were on to something just took it for a drive with all the filters removed and let me tell ya, it hasn't felt that nice in a long time. I will keep my fingers crossed just can't wait to put it all back together as I broke the valet switch lol but it should be here in 2 days.


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