Sierra 3500 4WD V8-6.0L VIN U (2004)
1. Remove the fuel tank.
2. Disconnect and remove the fuel feed line (1) from the sending unit and retaining clips.
3. Cap the fuel feed and evaporative emission (EVAP) openings in order to prevent possible fuel/EVAP system contamination.
INSTALLATION PROCEDURE
1. Remove the caps from the fuel feed/return, and EVAP lines.
2. Install and connect the fuel feed (1) line to the sending unit and retaining clips.
3. Install the fuel tank.
Fuel Hose/Pipes Assembly Replacement (1500 Crew Cab)
FUEL HOSE/PIPES ASSEMBLY REPLACEMENT (1500 CREW CAB)
REMOVAL PROCEDURE
IMPORTANT: Clean the fuel feed pipe connection and surrounding areas prior to disconnecting the fittings in order to avoid possible fuel system
contamination.