Sierra Classic 2500 4WD V8-8.1L (2007)
Fuel Supply Line: Service and Repair
Fuel Hose/Pipes Replacement - Chassis (Cab/Chassis - Front)
FUEL HOSE/PIPES REPLACEMENT - CHASSIS (CAB/CHASSIS - FRONT)
REMOVAL PROCEDURE
IMPORTANT: Clean the fuel and evaporative emission (EVAP) connections and surrounding areas prior to disconnecting the lines in order
to avoid possible system contamination.
1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief (With CH 48027) Fuel Pressure Relief (Without CH 48027).
2. Disconnect the fuel feed line (1) at the engine.
3. Disconnect the EVAP canister purge tube line (2).
4. Cap the fuel rail in order to avoid possible system contamination.
5. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
6. Remove the fuel pipe bracket nut.
7. Remove the fuel pipe bracket from the bellhousing stud.
