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Thread: Cummins PT Injector Pump

  1. #1
    Senior Member Truck Shop's Avatar
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    Cummins PT Injector Pump

    Here is a video explaining the operation of the Cummins PT pump.

    https://www.youtube.com/watch?v=KzuwdxEJfQA

    Truck Shop

  2. #2
    Junior Member
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    Bois D Arc Missouri
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    Do you have to pull the pump apart to replace the drive seal? I think mines leaking fuel into the engine.

  3. #3
    Senior Member Truck Shop's Avatar
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    When was the last time the injector pump or injectors received any repair work? I personally have never had a PT pump leak fuel into the crank case, not saying it won't.
    But any leakage would be found on a test bench at a pump shop, so I would remove it and have it tested first. IMO.

    Truck Shop

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