Yukon/Denali XL 1500 4WD V8-6.0L VIN U (2004)
Fuel Supply Line: Service and Repair
Fuel Hose/Pipes Replacement - Chassis
FUEL HOSE/PIPES REPLACEMENT - CHASSIS
REMOVAL PROCEDURE
IMPORTANT: Clean all fuel and evaporative emission (EVAP) lines connections and surrounding areas prior to disconnecting the lines in order to
avoid possible fuel and/or EVAP system contamination.
1. Relieve the fuel system pressure. Refer to the Fuel Pressure Relief Procedure.
2. Disconnect the fuel feed pipe (1) at the fuel rail.
3. Disconnect the evaporative emission (EVAP) canister purge pipe (2).
4. Cap the fuel rail and EVAP pipes.
5. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
6. Unbolt and reposition the front propeller shaft.