03 DeVille HVAC blower speed problems on A/C
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, 03 DeVille HVAC blower speed problems on A/C in Past Cadillac Vehicle Discussion; My fan speed will not go to full blast when the A/C is on and the recirc is running. If ...
  1. #1
    2dfx's Avatar
    2dfx is offline Cadillac Owners Fanatic
    Automobile(s): 2003 Cadillac DeVille
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    Question03 DeVille HVAC blower speed problems on A/C

    My fan speed will not go to full blast when the A/C is on and the recirc is running. If I do, it runs for about 5 seconds then shuts off...then comes back on for another 5 secs or so and repeats.

    If I set the fan speed to 4/5 it operates normally. Annoying when the unit is set to 'Auto' and I have to keep adjusting it because the fan won't stay on. Heat works fine at any speed.

    Ideas?


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  3. #2
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: 03 DeVille fan speed problems on A/C

    I'm guessing that the blower is on it's way out.

  4. #3
    2dfx's Avatar
    2dfx is offline Cadillac Owners Fanatic
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    Re: 03 DeVille fan speed problems on A/C

    Quote Originally Posted by Ranger View Post
    I'm guessing that the blower is on it's way out.
    If it didn't work at ALL on full speed I would think this is likely. But it dies sporadically only when the recirc is on? Seems fishy.

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  6. #4
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: 03 DeVille fan speed problems on A/C

    ONLY in recirc?

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