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Volvo A/C Compressor malfunction?

Discussion in 'Volvo Forum' started by SSholom, Jan 27, 2023.

  1. Jan 27, 2023 #1
    SSholom

    SSholom Bobtail Member

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    Jan 27, 2023
    0
    I have a 2007 Volvo VNL. Just replaced the condenser and pulled a vacuum and charged it 4lb by requirement. But the a/c compressor keeps cutting on for about 10 seconds then cuts out. And does this repeatedly. Usually this is a sign of lower refrigerant, but not quite in this situation. Any suggestions?
     
    SSholom, Jan 27, 2023
    SSholom, Jan 27, 2023
    #1
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  3. Jan 30, 2023 #2
    nasriza

    nasriza Road Train Member

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    Feb 1, 2013
    Chicago, IL
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    fist thing is that 4lb is a slight overcharge for that system needs to be 3.75 lb for that year, next need to check expansion valve probably something is not opening up properly and making overpressure in the system which is cutting off ac compressor or freeze switch inside went to ####.
     
    nasriza, Jan 30, 2023
    nasriza, Jan 30, 2023
    #2
    Rideandrepair Thanks this.
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