unit pump blew out

Discussion in 'Mack Forum' started by dkesler, Feb 26, 2020.

  1. dkesler

    dkesler Bobtail Member

    Feb 26, 2020
    Our 1998 E7 blew out the fuel unit pump. The driver was going 55mph when it blew and felt it start running rough and spewing fuel. Both bolts that hold it in were broke and one looks like it was broken for a longer period of time. Do we need to only put new bolts and gasket in or could their something else wrong?
    truckdriver31 Thanks this.
  2. truckdriver31

    truckdriver31 Road Train Member

    Sep 18, 2013
    is it a ch613. i would try that first. them pumps are like $350ish
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