GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Warning: Refer to Fuel and Evaporative Emission Pipe Warning in the Preface section.

Warning: Refer to Gasoline/Gasoline Vapors Warning in the Preface section.


    Object Number: 1288027  Size: SH
  1. Relieve the fuel pressure. Refer to Fuel Pressure Relief.
  2. Remove the engine control module (ECM). Refer to Engine Control Module Replacement.
  3. Disconnect the engine coolant temperature sensor electrical connector (1).
  4. Caution: Refer to Fuel and Evaporative Emission Hose/Pipe Connection Cleaning Caution in the Preface section.


    Object Number: 1368525  Size: SH
  5. Disconnect the fuel feed pipe (3) from the fuel rail. Refer to Metal Collar Quick Connect Fitting Service.
  6. Disconnect the evaporative emission (EVAP) purge pipe (1) from the EVAP canister purge valve.
  7. Disconnect the integral clip (2) from the wire harness bracket.
  8. Position the fuel feed pipe (3) above the PCM studs.
  9. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
  10. Use the following procedure with 2-wheel drive (2WD):
  11. 9.1. Remove the transmission support. Refer to Transmission Support Replacement.
    9.2. Lower the transmission slightly.

    Object Number: 730721  Size: SH
    9.3. Remove the EVAP/fuel hose/pipe assembly retaining bolt (3) from the transmission.
    9.4. Disengage the EVAP/fuel hose/pipe assembly from the clip (1) at the rear of the transmission.
  12. Use the following procedure with 4-wheel drive (4WD):
  13. 10.1. Remove the transfer case. Refer to Transfer Case Assembly Replacement.
    10.2. Remove the transmission support. Refer to Transmission Support Replacement.
    10.3. Lower the transmission slightly.

    Object Number: 730723  Size: SH
    10.4. Remove the EVAP/fuel hose/pipe assembly retaining bolt (3) from the transmission.
    10.5. Remove the EVAP/fuel hose/pipe assembly (2) from the clip at the rear of the transmission.

    Object Number: 730718  Size: SH
  14. Remove the EVAP/fuel hose/pipe assembly (4) from the fuel pipe clip at the rear of the engine.
  15. Disconnect the EVAP purge pipe at the fuel tank. Refer to Plastic Collar Quick Connect Fitting Service.

  16. Object Number: 1368522  Size: SH
  17. Disconnect the chassis fuel feed pipe (1) from the fuel tank. Refer to Plastic Collar Quick Connect Fitting Service.
  18. Disconnect the chassis EVAP pipe (2) from the fuel tank. Refer to Plastic Collar Quick Connect Fitting Service.

  19. Object Number: 1368523  Size: SH
  20. Remove the EVAP/fuel hose/pipe assembly from the vehicle.
  21. Note: Note the position of the EVAP/fuel hose/pipe assembly clips before disassembly.

  22. Remove the fuel/EVAP hose/pipe assembly retaining clips.
  23. Separate the fuel feed pipe (1) from the EVAP purge pipe (2).

Installation Procedure


    Object Number: 1368523  Size: SH
  1. Position the fuel feed pipe (1) to the EVAP purge pipe (2).
  2. Install the EVAP/fuel hose/pipe assembly clips as noted during disassembly.
  3. Position the EVAP/fuel hose/pipe assembly along the engine and transmission.

  4. Object Number: 1368522  Size: SH
  5. Connect the chassis fuel feed pipe (1) to the fuel tank. Refer to Plastic Collar Quick Connect Fitting Service.
  6. Connect the chassis EVAP purge pipe (2) to the fuel tank. Refer to Plastic Collar Quick Connect Fitting Service.

  7. Object Number: 730718  Size: SH
  8. Install the EVAP/fuel hose/pipe assembly (4) to the fuel pipe clip at the rear of the engine.
  9. Use the following procedure with 2WD:

  10. Object Number: 730721  Size: SH
    7.1. Install the EVAP/fuel hose/pipe assembly into the clip (1) at the rear of the transmission.

    Caution: Refer to Fastener Caution in the Preface section.

    7.2. Position the EVAP/fuel hose/pipe assembly against the transmission and install the retaining bolt (3) through the EVAP/fuel hose/pipe assembly strap into the transmission.

    Tighten
    Tighten the bolt to 3.75 N·m (33 lb in).

    7.3. Raise the transmission to the normal installed position.
    7.4. Install the transmission support. Refer to Transmission Support Replacement.
  11. Use the following procedure with 4WD:

  12. Object Number: 730723  Size: SH
    8.1. Install the EVAP/fuel hose/pipe assembly (2) into the clip at the rear of the transmission.
    8.2. Position the fuel EVAP/fuel hose/pipe assembly against the transmission and install the retaining bolt (3) through the EVAP/fuel hose/pipe assembly strap into the transmission.

    Tighten
    Tighten the bolt to 3.75 N·m (33 lb in).

    8.3. Raise the transmission to the normal installed position.
    8.4. Install the transmission support. Refer to Transmission Support Replacement.
    8.5. Install the transfer case. Refer to Transfer Case Assembly Replacement.
  13. Lower the vehicle.

  14. Object Number: 1368525  Size: SH
  15. Connect the EVAP purge pipe (1) to the EVAP canister purge valve.
  16. Connect the integral clip (2) to the wire harness bracket.
  17. Connect the fuel feed pipe (3) to the fuel rail. Refer to Metal Collar Quick Connect Fitting Service.

  18. Object Number: 1288027  Size: SH
  19. Connect the engine coolant temperature sensor electrical connector (1).
  20. Install the ECM. Refer to Engine Control Module Replacement.
  21. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  22. Inspect for leaks using the following procedure:
  23. 16.1. Turn ON the ignition, with the engine OFF for 2 seconds.
    16.2. Turn OFF the ignition, for 10 seconds.
    16.3. Turn ON the ignition, with the engine OFF.
    16.4. Inspect for fuel leaks.