GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Notice: If necessary, remove rust or burrs from the fuel pipes with an emery cloth. Use a radial motion with the fuel pipe end in order to prevent damage to the O-ring sealing surface. Use a clean shop towel in order to wipe off the male tube ends. Inspect all the connections for dirt and burrs. Clean or replace the components and assemblies as required.

  1. Disconnect the EVAP purge pipe from the EVAP canister purge valve.
  2. Plug the EVAP canister purge valve and EVAP purge pipe to prevent contamination.
  3. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  4. Disconnect the EVAP purge pipe from the EVAP canister.
  5. Plug the EVAP purge line and EVAP canister to prevent contamination.
  6. Remove the exhaust heat shield.

  7. Object Number: 102056  Size: SH
  8. Remove the fuel pipe bundle mounting bolts from the body clips.

  9. Object Number: 102255  Size: SH
  10. Remove EVAP purge pipe from the body clips.

  11. Object Number: 49888  Size: SH
  12. Remove the EVAP purge pipe (1).

Installation Procedure


    Object Number: 49888  Size: SH
  1. Install the EVAP purge pipe (1).

  2. Object Number: 102255  Size: SH
  3. Position the EVAP purge pipe in the body clips.

  4. Object Number: 102056  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  5. Install the fuel pipe bundle mounting bolts into the body clips.
  6. Tighten
    Tighten the bolts to 6 N·m (53 lb in).

  7. Install the exhaust heat shield.
  8. Tighten

        • Tighten the exhaust shield bolt to 2 N·m (18 lb in).
        • Tighten the exhaust shield nuts to 1 N·m (9 lb in).
  9. Remove the caps from the EVAP purge pipe, EVAP canister.
  10. Connect the EVAP purge pipe to the EVAP canister.