Sierra 1500 2WD V6-4.3L VIN X (2004)
Fuel Supply Line: Service and Repair
Fuel Hose/Pipes Replacement - Chassis
FUEL HOSE/PIPES REPLACEMENT - CHASSIS
REMOVAL PROCEDURE
IMPORTANT: Clean all the fuel feed/return and evaporative emission (EVAP) pipe connections and surrounding areas before disconnecting the
pipes in order to avoid possible fuel/EVAP system contamination.
1. Remove the air cleaner outlet duct.
2. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure.
3. Disconnect the fuel feed/return pipes (4) at the engine pipes (5).
4. Disconnect the EVAP pipe (1).
5. Cap the fuel feed/return and EVAP pipes in order to prevent possible fuel/EVAP system contamination.
6. Remove the fuel feed/return pipe bracket nut.
7. Remove the fuel feed/return pipe bracket from the stud.
8. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
9. Remove the fuel feed/return pipe and EVAP pipe clip from the transmission.
10. If equipped with 4-wheel drive (4WD), remove the fuel feed/return and EVAP pipes from the clip on the transfer case.
11. Remove the EVAP canister.