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Thread: Fuel leak in lifter valley

  1. #1
    Join Date
    Mar 2012

    Default Fuel leak in lifter valley

    Where is the likely cause of a fuel leak in lifter valley and fuel filter area? Do i need to remove the manifold to fix it? Its a minor leak only when truck is running. 1996 F code 2500 Suburban

  2. #2
    Join Date
    Feb 2007


    Un bolt the fuel filter from the manifold, there may be enough slack in the 3 hoses that connect to it to inspect their connections, and the fitting for the water sensor, the o-ring can leak. First make sure there is no leak from the filter retaining ring on the top, it is difficult to make it seal.
    Grant H.
    1995 6.5 turbo GMC K2500 extra cab 4x4 pickup, PMD under bumper, mechanical wastegate, 228,000 miles, rebuilt engine, 4.10 diff, 16 mpg
    1994 6.5 turbo GMC K2500 4x4 suburban #9 resistor, PMD in the bumper, mechanical waste gate, 226,000 miles, new engine, 0 miles. 3.73 diff, 16 mpg
    1982 4x4 shortbed 6.2 Chev 260,000 miles untouched motor 17 MPG 4.27 diff. Best thing I ever owned, since 1992.

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