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‘13 Pete 388 A/C issue

Discussion in 'Peterbilt Forum' started by Trucking Munchie, May 26, 2024.

  1. May 26, 2024 #1
    Trucking Munchie

    Trucking Munchie Bobtail Member

    1
    0
    May 26, 2024
    0
    IMG_3917.jpeg Need a little guidance here. I have a ‘13 Pete 388 and the A/C won't take the 4 lbs of freon that the truck is supposed to take. I let the vacuum sit for about an hour and some change. It took 2 lbs 8oz of freon when I tried charging it. Also, the compressor won't kick on. I touched the relay behind the dash and noticed that the compressor would then kick on. Any help is appreciated. Thank in advance.
     
    Trucking Munchie, May 26, 2024
    Trucking Munchie, May 26, 2024
    #1
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  3. May 26, 2024 #2
    MAMservices

    MAMservices Medium Load Member

    556
    3,998
    Aug 9, 2021
    Mississippi
    0
    Sounds as though there is an issue with the relay terminals or wiring connected to it. If you can make the compresssor run it will more than likely take the remainder of the refrigerant. The "touching the relay" issue needs to be adressed.
     
    MAMservices, May 26, 2024
    MAMservices, May 26, 2024
    #2
    QUALITYTRUCK Thanks this.
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