Cummins ISX Air Compressor Question

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by e30rik, Apr 11, 2025.

  1. e30rik

    e30rik Bobtail Member

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    Jun 9, 2023
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    I have an early Cummins ISX (year 2002) and it sounds like the compressor is on its way out. It looks relatively simple to replace. I was just curious about the coolant lines. Once I take them off how much coolant will I lose? If it's quite a bit I'd rather come up with a way to block the lines off while I swap compressors.
     
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  3. Big Road Skateboard

    Big Road Skateboard Road Train Member

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    May 2, 2021
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    Just drain the coolant. It would leak until the level gets below the hoses, 5 or 6 gallons
     
    Goodysnap, e30rik, Diesel Dave and 2 others Thank this.
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