Apr 082010

I have a 1997 Chevy Truck with a 5.7 L engine and it is leaking fuel. It appears to be leaking from around the fuel pressure regulator. Could you tell me how to replace it myself?

  One Response to “1997 Chevrolet 1500 Truck Fuel Leak”

  1. Fuel Pressure Regulator
    Removal & Installation
    4.3L, 5.0L, 5.7L and 7.4L
    To Remove:

    Disconnect battery negative cable.
    Relieve fuel system pressure.
    Remove upper manifold assembly.

    Fuel Pressure Regulator

    Disassemble fuel pressure regulator snap ring retainer.
    Remove regulator assembly and O-ring seals.
    Discard O-ring seals.
    To Install:

    Lubricate NEW O-ring seals with clean engine oil.
    Install backup O-ring, large O-ring, filter and small O-ring.
    Assemble regulator with vacuum tube pointed down into snap ring retainer.
    Install upper manifold assembly.
    Connect battery negative cable.

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