GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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


    Object Number: 1686302  Size: SH
  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief.
  2. Clean the fuel and evaporative emission (EVAP) pipe connections and areas surrounding the connections prior to disconnecting the connections in order to avoid possible contamination of the fuel and/or EVAP system.
  3. Disconnect the fuel feed pipe (1) quick connect fitting at the fuel rail. Refer to Metal Collar Quick Connect Fitting Service.
  4. Disconnect the EVAP line (2) quick connect fitting at the EVAP canister purge valve. Refer to Plastic Collar Quick Connect Fitting Service.
  5. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.

  6. Object Number: 1689372  Size: SH
  7. Remove the fuel/EVAP pipe retainers (1, 3).
  8. Loosen the fuel/EVAP retainer (2) bolt.

  9. Object Number: 1671750  Size: SH
  10. Disconnect the fuel feed rear pipe quick connect fitting (1) from the chassis fuel line. Refer to Plastic Collar Quick Connect Fitting Service.

  11. Object Number: 1671749  Size: SH
  12. Disconnect the chassis EVAP line quick connect fitting (1) from the EVAP canister. Refer to Plastic Collar Quick Connect Fitting Service.

  13. Object Number: 1672154  Size: SH
  14. Drill out the rivets (5) securing the retainer (2) to the underbody.
  15. Disconnect the retainers (3, 4 and 1) from the underbody.
  16. Remove the fuel/EVAP lines from the vehicle and place on a suitable work surface.
  17. Remove the EVAP line from the retainers.

Installation Procedure


    Object Number: 1672154  Size: SH
  1. Install the EVAP line to the retainers.
  2. Position the fuel/EVAP lines to the vehicle underbody.
  3. Connect the retainers (3, 4 and 1) to the underbody.
  4. Install NEW rivets (5) securing the retainer (2) to the underbody

  5. Object Number: 1671749  Size: SH
  6. Connect the chassis EVAP line quick connect fitting (1) to the EVAP canister. Refer to Plastic Collar Quick Connect Fitting Service.

  7. Object Number: 1671750  Size: SH
  8. Connect the fuel feed rear pipe quick connect fitting (1) to the chassis fuel line. Refer to Plastic Collar Quick Connect Fitting Service.

  9. Object Number: 1689372  Size: SH
  10. Position the retainer to the front of dash.
  11. Caution: Refer to Fastener Caution in the Preface section.

  12. Tighten the fuel/EVAP pipe retainer (2) bolt to 6 N·m(53 lb in).
  13. Install the fuel/EVAP pipe retainers (1, 3).
  14. Lower the vehicle.

  15. Object Number: 1686302  Size: SH
  16. Connect the EVAP line (2) quick connect fitting at the EVAP canister purge valve. Refer to Plastic Collar Quick Connect Fitting Service.
  17. Connect the fuel feed pipe (1) quick connect fitting at the fuel rail. Refer to Metal Collar Quick Connect Fitting Service.
  18. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  19. Perform the following procedure in order to inspect for leaks:
  20. 14.1. Turn ON the ignition, with the engine OFF for 2 seconds.
    14.2. Turn OFF the ignition for 10 seconds.
    14.3. Turn ON the ignition, with the engine OFF.
    14.4. Inspect for fuel leaks.
  21. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement.