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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Controls And Fuel - 4.3L (LV1) - Repair Instructions) >> Repair Instructions >> Fuel Feed Intermediate Pipe Replacement - Position 1 >> Installation Procedure

Installation Procedure

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  1. GM4852339Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Following the procedure steps will prevent dislodging any wax from the fuel feed intermediate pipe fitting nut threads and ensure a proper seal.

    Perform the following steps to install the NEW fuel feed intermediate pipe (2) and tighten the fittings (1) to the fuel injection fuel rails:

    1. Hold the NEW fuel feed intermediate pipe in the installation position.
    2. At each connection point, slide the fitting nut backwards along the pipe to reveal the sphere.
    3. At each connection point, carefully seat the sphere to the mating socket and hold the sphere firmly to the socket while finger tightening the fitting nut.
    4. Tighten the fuel feed intermediate pipe fittings to 30 N.m (22 lb ft).
  2. GM4852338Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    Install the fuel feed pipe bolt (1) and tighten to 10 N.m (89 lb in).

  3. Fuel Feed Intermediate Pipe- Position 2 - Install NEW - Fuel Feed Intermediate Pipe Replacement - Position 2 
  4. NOTE:

    If a fuel leak occurs at either of the fuel injection fuel rail fittings, the corresponding component will need to be replaced.

  5. Inspect for leaks using the following procedure:
    1. Turn ON the ignition with the engine OFF for 2 seconds.
    2. Turn OFF the ignition for 10 seconds.
    3. Turn ON the ignition with the engine OFF.
    4. Inspect for fuel leaks.