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Thread: Fuel filter change and now no start.

  1. #1

    Default Fuel filter change and now no start.

    I have an 04 c4500 that I just changed the fuel filter on, and now it won't start. I just bought the truck so I'm not to familiar with it. I put fuel in the filter and spun it on, tried to start, ran for 30 sec. and died. Now I can't get it to start, is there some sort of way to prime this particular system, if so any help would be greatly appreciated.

  2. #2
    Join Date
    Mar 2000
    Location
    St. George, Utah.
    Posts
    980

    Wink

    There is a pump on the top of the filter housing. There is also a bleeder screw. Loosen the bleeder and pump the pump until fuel comes out of the bleeder. Tighten the screw and pump until it feels tight. It should start. Probably run rough for a few seconds but will smooth out.
    2018 GMC Denali HD 2500 L5P.

  3. #3

    Default

    On my '04 C4500, there wasn't a bleeder screw like the 2500s/3500s...however, the primer location was the same, and you have to pump it at least 50-75 times before it will fill the filter, start and run.

    The filter is in a very tight position, its a real PITA to prime...
    2011 Chevrolet Tahoe 5.3L daily driver
    • Previous owner of two 1994 6.5L K3500s, '01, '02, and '05 6.6L K2500s, '04 C4500, '06 K3500 dually, '06 K3500 SRW, '09 K3500HD SRW, '05 Denali
    • Total GM diesel miles to date : ~950K

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