Sierra Denali AWD V8-6.0L VIN N (2004)
Fuel Supply Line: Service and Repair
Fuel Hose/Pipes Replacement - Chassis (1500 Crew Cab)
FUEL HOSE/PIPES REPLACEMENT - CHASSIS (1500 CREW CAB)
REMOVAL PROCEDURE
IMPORTANT: Clean the fuel and evaporative emission (EVAP) connections and surrounding areas prior to disconnecting the fittings in order to
avoid possible system contamination.
1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure.
2. Disconnect the fuel feed line (1) fitting at the engine.
3. Disconnect the EVAP canister purge tube (2) fitting.
4. Cap the fuel rail and EVAP lines in order to avoid possible system contamination.
5. Raise and support the vehicle. Refer to Vehicle Lifting and.
6. Remove the fuel pipe bracket nut.
7. Remove the fuel pipe bracket from the bellhousing stud.
8. Remove the heated oxygen (HO2S) sensor connector from the bracket.
