Sierra 1500 2WD V6-4.3L VIN X (2004)
6. Remove the fuel tank ground strap (3).
7. Remove the chassis harness ground strap (2) and fuel tank ground strap (4).
8. Remove the rear axle vent hose from the clip on the fuel fill pipe bracket.
9. Loosen the fuel tank fill pipe clamp.
10. Remove the fuel fill pipe from the tank and vehicle.
11. Cap the opening on the fuel tank in order to prevent possible fuel system contamination.
INSTALLATION PROCEDURE
