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Home › Chevrolet › 2011 › Chevy Express G1500, Van Cargo, 4.3 X › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Controls And Fuel - 4.3L - Repair Instructions › Repair Instructions › Fuel Line Replacement - Chassis › Installation Procedure

Installation Procedure

    Fig 1: Fuel/EVAP Pipe Assembly
    GM1945612Courtesy of GENERAL MOTORS CORP.
  1. Install the fuel pipe to the fuel/EVAP pipe assembly.
  2. Install the fuel/EVAP pipe assembly (1) to the vehicle.
    3. Fig 2: Fuel/EVAP Pipe Assembly Bolt
    GM1945611Courtesy of GENERAL MOTORS CORP.
    CAUTION:

    Refer to Fastener Caution .

  3. Install the fuel/EVAP pipe assembly bolt (1) and tighten to 13 N.m (115 lb in).
    4. Fig 3: Fuel Tank And EVAP Chassis Quick Connect Fittings
    GM1938257Courtesy of GENERAL MOTORS CORP.
  4. Connect the EVAP canister purge pipe quick connect fitting (1) to the chassis EVAP pipe. Refer to Plastic Collar Quick Connect Fitting Service .
  5. Connect the chassis fuel feed pipe quick connect fitting (2) to the fuel tank fuel feed pipe. Refer to Plastic Collar Quick Connect Fitting Service .
  6. Lower the vehicle.
  7. Install the fuel feed and EVAP pipe bracket to the bellhousing stud and install the nut.

    Tighten to 25 N.m (18 lb ft).

  8. Remove the caps from the fuel and EVAP pipe connections.
  9. Connect the engine EVAP pipe quick connect fitting to the chassis EVAP pipe. Refer to Plastic Collar Quick Connect Fitting Service .
  10. Connect the chassis fuel feed pipe quick connect fitting to the engine compartment fuel pipe. Refer to Metal Collar Quick Connect Fitting Service .
  11. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  12. Perform the following procedure in order to inspect for leaks:
    1. Turn the ignition ON, with the engine OFF, for 2 seconds.
    2. Turn the ignition OFF for 10 seconds.
    3. Turn the ignition ON, with the engine OFF.
    4. Inspect for fuel leaks.
  13. Install the engine cover. Refer to Engine Cover Replacement .
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