GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Note: Clean all fuel and evaporative emission (EVAP) lines connections and surrounding areas prior to disconnecting the lines in order to avoid possible fuel and/or EVAP system contamination.


    Object Number: 1696917  Size: SH
  1. Relieve the fuel system pressure. Refer to the Fuel Pressure Relief.
  2. Disconnect the engine evaporative emission (EVAP) line (1) quick connect fitting from the chassis EVAP line. Refer to Plastic Collar Quick Connect Fitting Service.
  3. Disconnect the fuel feed line quick connect fitting (2) from the fuel rail. Refer to Metal Collar Quick Connect Fitting Service.
  4. Cap the fuel rail and EVAP pipes.
  5. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  6. Unbolt and reposition the front propeller shaft, if required. Refer to Front Propeller Shaft Replacement.

  7. Object Number: 1701047  Size: SH
  8. Remove the fuel pipe bracket nut from the bellhousing stud.

  9. Object Number: 1855293  Size: SH
  10. Remove the fuel line clip from the bracket on the automatic transmission.
  11. If equipped with 4-wheel drive (4WD), remove the fuel hose/pipe clip from the bracket on the transfer case.

  12. Object Number: 1855649  Size: SH
  13. Remove the EVAP canister vent solenoid clip (1) from the chassis EVAP line and secure out of the way.
  14. Remove the EVAP canister vent solenoid pipe clip (2) from the chassis EVAP line.

  15. Object Number: 1855296  Size: SH
  16. Disconnect the fuel tank EVAP line quick connect fitting from the chassis line. Refer to Plastic Collar Quick Connect Fitting Service.
  17. Disconnect the fuel tank fuel feed line quick connect fitting from the chassis line. Refer to Plastic Collar Quick Connect Fitting Service.
  18. Cap the fuel and EVAP lines in order to prevent possible fuel and/or EVAP system contamination.
  19. Remove the fuel line bracket bolt (1).
  20. Remove the fuel/EVAP line clip nut (2).
  21. Remove the fuel/EVAP line clips from the frame and crossmember.
  22. Remove the fuel/EVAP line assembly from the vehicle.

Installation Procedure


    Object Number: 1855296  Size: SH
  1. Position and install the fuel/EVAP line assembly to the vehicle.
  2. Install the fuel/EVAP line bracket locator tab to the frame.
  3. Install the fuel/EVAP line clips to the frame and crossmember.
  4. Caution: Refer to Fastener Caution in the Preface section.

  5. Install the fuel/EVAP line bracket bolt (1) and tighten to 9 N·m (80 lb in).
  6. Install the fuel/EVAP line clip nut (2) and tighten the bolt to 20 N·m (15 lb ft).
  7. Remove the caps from the fuel and EVAP lines.
  8. Connect the fuel tank EVAP line quick connect fitting to the chassis line. Refer to Plastic Collar Quick Connect Fitting Service.
  9. Connect the fuel tank fuel feed line quick connect fitting to the chassis line. Refer to Plastic Collar Quick Connect Fitting Service.

  10. Object Number: 1855649  Size: SH
  11. Unscure and position the EVAP canister vent solenoid clip (1) to the chassis EVAP line.
  12. Install the EVAP canister vent solenoid pipe clip (2) to the chassis EVAP line.

  13. Object Number: 1855293  Size: SH
  14. If equipped with 4WD, install the fuel hose/pipe clip to the bracket on the transfer case.
  15. Install the fuel line clip to the bracket on the automatic transmission.

  16. Object Number: 1701047  Size: SH
  17. Install the fuel pipe bracket nut to the bellhousing stud and tighten the nut to 25 N·m (18 lb ft).
  18. Position and install the front propeller shaft, if required. Refer to Front Propeller Shaft Replacement.
  19. Lower the vehicle.

  20. Object Number: 1696917  Size: SH
  21. Remove the caps from the fuel rail and EVAP line.
  22. Connect the EVAP line (1) quick connect fitting to the chassis EVAP line. Refer to Plastic Collar Quick Connect Fitting Service.
  23. Connect the fuel feed line (2) quick connect fitting to the fuel rail. Refer to Metal Collar Quick Connect Fitting Service.
  24. Install the fuel fill cap.
  25. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  26. Use the following procedure in order to inspect for leaks:
  27. 21.1. Turn the ignition ON, with the engine OFF, for 2 seconds.
    21.2. Turn the ignition OFF for 10 seconds.
    21.3. Turn the ignition ON, with the engine OFF.
    21.4. Inspect for fuel leaks.
  28. Install the intake manifold sight shield. Refer to Upper Intake Manifold Sight Shield Replacement.