Yukon XL 2500 2WD V8-8.1L VIN G (2004)
Fuel Return Line: Service and Repair
Fuel Hose/Pipes Replacement - Chassis (Front)
FUEL HOSE/PIPES REPLACEMENT - CHASSIS (FRONT)
REMOVAL PROCEDURE
IMPORTANT: Clean all fuel and evaporative emission (EVAP) line 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 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.