Silverado 2500 4WD V8-6.6L DSL Turbo (2010)
7. Remove the rear axle vent hose from the clip on the fuel fill pipe bracket.
8. Loosen the fuel tank vent hose and fill hose clamps (1, 2).
9. Remove the vent hose from the tank.
10. Remove the fill hose from the tank and the vehicle.
11. Cap the opening on the fuel tank in order to prevent possible fuel system contamination.
Installation Procedure