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Thread: AC compressor noise

  1. #1
    Senior Member Bullitt's Avatar
    Join Date:  Sep 2011

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    AC compressor noise

    I replaced my ac compressor today because I thought my old one was going bad. I could hear it engaging/slipping from time to time. When ac was on. My new one does exactly the same. (This one was even making sparks, but I guess the plate in front of the clutch was a little bent. I bent it back a little and it seems fine now, except from the engaging/slipping noise) Any idea what does this?https://cloud.tapatalk.com/s/5da01878...V_3577_000.mp4

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    Svein Apeland

    1981 DMC DeLorean DMC-12, VIN: 01598. Gas flap hood, manual transmission, black interior, wide stripe, galvanized frame, Spax shocks and UK club exhaust.
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  2. #2
    Senior Member Bitsyncmaster's Avatar
    Join Date:  May 2011

    Location:  Leonardtown, MD

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    If your compressor is making noise, it probably is low on "oil". Usually a leaking refrigerant does not loose much oil in the system. When you replace a component or flush it you need to add that components "oil" amount to the system. The refrigerant carries the oil throughout the system so when your really low on refrigerant your compressor will not turn on to protect the compressor from damage.
    Dave M vin 03572
    http://dm-eng.weebly.com/

  3. #3
    Senior Member
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    Go to N:10:04 Clutch Test Step 3-Air Gap. My guess is the gap needs to be adjusted.
    David Teitelbaum

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