GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1773498  Size: SH
  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
  2. Disconnect the chassis fuel feed pipe quick connect fitting (1) from the engine fuel feed pipe. Refer to Metal Collar Quick Connect Fitting Service .
  3. Disconnect the chassis evaporative emission (EVAP) pipe quick connect fitting (3) from the EVAP purge solenoid. Refer to Plastic Collar Quick Connect Fitting Service .
  4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

  5. Object Number: 1789402  Size: SH
  6. Disconnect the fuel tank fuel feed pipe quick connect fitting (1) from the chassis fuel feed pipe (3). Refer to Plastic Collar Quick Connect Fitting Service .
  7. Disconnect the fuel tank EVAP pipe quick connect fitting (2) from the chassis EVAP pipe (4). Refer to Plastic Collar Quick Connect Fitting Service .
  8. Cap the chassis fuel and EVAP pipes in order to prevent possible fuel and/or EVAP system contamination.

  9. Object Number: 1792109  Size: SH
  10. Remove the brake, fuel and EVAP pipe retainer (1) from the dash panel stud.
  11. Remove the brake pipes (2) from the retainer.

  12. Object Number: 1792110  Size: SH
  13. Remove the brake, fuel and EVAP pipe retainers (3) from the underbody studs.
  14. Remove the brake pipes from the retainers.
  15. Remove the fuel feed/EVAP pipe assembly from the vehicle.
  16. Place the pipe assembly on a work bench.
  17. Open the retainers and remove the EVAP pipe (1) from the retainers.
  18. Replace any retainers as necessary.

Installation Procedure


    Object Number: 1792110  Size: SH
  1. Install the EVAP pipe (1) to the retainers and close the retainers.
  2. Position the fuel feed/EVAP pipe to the vehicle.
  3. Install the brake pipes to the retainers.
  4. Install the brake, fuel and EVAP pipe retainers (3) to the underbody studs.

  5. Object Number: 1792109  Size: SH
  6. Install the brake pipes (2) to the retainer.
  7. Install the brake, fuel and EVAP pipe retainer (1) to the dash panel stud.

  8. Object Number: 1789402  Size: SH
  9. Remove the cap from the chassis fuel and EVAP pipes.
  10. Connect the fuel tank EVAP pipe quick connect fitting (2) to the chassis EVAP pipe (4). Refer to Plastic Collar Quick Connect Fitting Service .
  11. Connect the fuel tank fuel feed pipe quick connect fitting (1) to the chassis fuel feed pipe (3). Refer to Plastic Collar Quick Connect Fitting Service .

  12. Object Number: 1773498  Size: SH
  13. Lower the vehicle.
  14. Connect the chassis EVAP pipe quick connect fitting (3) to the EVAP purge solenoid. Refer to Plastic Collar Quick Connect Fitting Service .
  15. Connect the chassis fuel feed pipe quick connect fitting (1) to the engine fuel feed pipe. Refer to Metal Collar Quick Connect Fitting Service .
  16. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  17. Tighten the fuel fill cap.
  18. Inspect for leaks.
  19. 15.1. Turn ON the ignition, with the engine OFF for 10 seconds.
    15.2. Turn OFF the ignition for 10 seconds.
    15.3. Turn ON the ignition, with the engine OFF.
    15.4. Inspect for leaks.