C 1500 Yukon 2WD V8-5.3L VIN Z Flex Fuel (2003)
Fuel Return Line: Service and Repair
Fuel Hose/Pipes Replacement
Fuel Hose/Pipes Replacement - Chassis
IMPORTANT:Clean all fuel pipe connections and surrounding areas before disconnecting the pipes in order to avoid possible fuel system
contamination.
REMOVAL PROCEDURE
1. Relieve the fuel system pressure. Refer to the Fuel Pressure Relief Procedure.
See: Fuel Filter/Fuel Pressure Release
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 Vehcile Lifting.
6. Unbolt and reposition the front propeller shaft. Refer to Propeller Shaft Replacement - Front.
7. Remove the fuel pipe bracket nut (2).
8. Remove the fuel pipe bracket from the bellhousing stud.
9. Remove the fuel hose/pipe clip from the bracket on the automatic transmission.