Avalanche 2500 4WD V8-8.1L VIN G (2003)
Fuel Supply Line: Service and Repair
Fuel Hose/Pipes Replacement - Chassis (Front Pipes)
REMOVAL PROCEDURE
IMPORTANT: Clean all the fuel pipe connections and surrounding areas before disconnecting the pipes in order to avoid possible fuel system
contamination.
1. Relieve the fuel system pressure. Refer to the Fuel Pressure Relief Procedure.
2. Disconnect the fuel feed and return pipes (1) at the fuel rail.
3. Disconnect the evaporative emission (EVAP) canister purge tube (3).
4. Cap the fuel rail and EVAP pipes.
5. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
6. Remove the fuel pipe bracket nut (2).
7. Remove the fuel pipe bracket from the bellhousing stud.
8. Remove the fuel hose/pipe clip from the bracket on the automation transmission.
