Silverado 3500 4WD V8-6.6L DSL Turbo VIN 2 (2004)
Water In Fuel Sensor: Service and Repair
Water-In-Fuel Draining Procedure
WATER-IN-FUEL DRAINING PROCEDURE
1. Attach a small piece of hose to the drain cock onto the water-in-fuel sensor.
2. Place an approved fuel-resistant container under the fuel filter.
3. Open the drain cock 3 or 4 turns or until the water contaminated fuel seeps from the drain cock.
4. Operate the priming pump until only diesel fuel is visible. Allow the pump to return upward between pushes.
5. Tighten the drain cock.
6. Remove the container and hose.
