Sierra 3500 4WD V8-6.6L DSL Turbo (2007)
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
1. Remove the cap from the opening on the fuel tank.
2. Install the fill hose to the vehicle and tank.
3. Install the vent hose to the tank.
Notice: Refer to Fastener Notice.
4. Tighten the fuel tank vent hose and fill hose clamps (1, 2).
Tighten the clamp to 2.5 N.m (22 lb in).
5. Install the rear axle vent hose to the clip on the fuel fill pipe bracket.
