Silverado 2500 4WD V8-6.6L DSL Turbo VIN 2 (2004)
1. Remove the caps from the fuel and vent holes in the fuel tank.
2. Install the fuel fill and vent hoses to the tank.
NOTE: Refer to Fastener Notice in Service Precautions.
3. Tighten the fuel fill and vent hose clamps (1, 2) at the tank.
Tighten
Tighten the clamp to 2.5 N.m (22 lb in).
4. Connect the fuel feed and pressure balance rear lines.