Mack MP7 Injector cups

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Kirbyhash, Jun 17, 2020.

  1. Kirbyhash

    Kirbyhash Bobtail Member

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    Jun 17, 2020
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    Has anyone had a problem getting the correct cups for the MP7? As you can see from the pic's, the injector does not seat in the new cup correctly. according to the model/serial number they are supposed to be the correct cups for this engine?
    20200504_153737.jpg 20200504_153541.jpg
     
    truckdriver31 Thanks this.
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  3. nasriza

    nasriza Road Train Member

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    Feb 1, 2013
    Chicago, IL
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    the injector does not sit in the cup being that the cup has to be properly installed in the head so the tip will get pressed out once installed than it will sit properly, whoever is doing this for you they are not anywhere near qualified to do this job if you are doing it yourself you have to be very carefull this is the right cup tip is smalled now when installed it will be the same.
     
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