Express 2500 V8-6.6L DSL Turbo (2010)
4. Open the drain cock 3 or 4 turns or until the water contaminated fuel seeps from the drain cock.
5. Prime the fuel system until only diesel fuel is visible. Refer to Fuel System Priming (See: Service and Repair/Fuel System Priming).
6. Tighten the drain cock.
7. Remove the container and hose.