Cat c15 MBN

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by anthonyar4, Jan 12, 2021.

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  1. Jan 13, 2021 #11
    lester

    lester Midwest's #1 Feed Hauler

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    So what should fuel pressure read when blocking the return line? Obviously higher, but like how much?
     
    lester, Jan 13, 2021
    lester, Jan 13, 2021
    #11
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  3. Jan 13, 2021 #12
    Superhauler

    Superhauler TEACHER OF MEN

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    Not sure spaurland and pushbroom. Can answer that. It will be as high as the relief valve in trans pump is set at. Cant get to my book right now.. Anything over 120 lbs your changing eroding o-rings on injectors.
     
    Superhauler, Jan 13, 2021
    Superhauler, Jan 13, 2021
    #12
  4. Jan 27, 2021 #13
    anthonyar4

    anthonyar4 Medium Load Member

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    How do I tell which injector is bad when doing that?
     
    anthonyar4, Jan 27, 2021
    anthonyar4, Jan 27, 2021
    #13
  5. Jan 28, 2021 #14
    devedo

    devedo Light Load Member

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    heres the pump test & injector cutout test info
     

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    devedo, Jan 28, 2021
    devedo, Jan 28, 2021
    #14
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