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Thread: Compressor Runs Continuously

                  
   
  1. #1
    Junior Member
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    Sep 2004
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    Compressor Runs Continuously

    RE: 1983 E28 533i

    My A/C compressor suddenly started running continuously, even without A/C switch on. Blows cold air through cracks in console without A/C button on. Temperature control seems to have no effect (either with A/C on or off).

    Any thoughts as to cause?

    Steve

  2. #2
    Senior Member
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    Dec 2005
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    Washington, DC
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    Im no expert on ACs, or cars for that matter. But isn't there a clutch in the AC that is being controlled by the switch? So then I guess it's could be the switch or the clutch. Try listening to the compressor when hitting the switch. You might hear it trying to work the clutch..

    Just my 2 cents..

  3. #3
    Junior Member
    Join Date
    Mar 2005
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    5
    Mine did this (96 m3) but it was because of the infamous control panel and required me to solder in a new capacitor.

    Don't think you would have the same issue though on an 83 as I believe the technology was different.

    Bill

  4. #4
    Junior Member
    Join Date
    Sep 2004
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    Turns out that Scany was right - it was the clutch on the compressor. We solved it by cutting the belt until I can find the time and $$ to replace the compresssor.

    Thanks!

  5. #5
    Senior Member
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    Dec 2005
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    Washington, DC
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    Good to hear you found the cause.

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