Sierra 2500 4WD V8-6.6L DSL Turbo (2007)
Fuel/Water Separator: Service and Repair
Water-in-Fuel Draining
1. Attach a small piece of hose to the drain onto the water in fuel sensor.
2. Place the other end of the piece of hose into an approved fuel-resistant container.
3. Open the drain 3 or 4 turns or until the water contaminated fuel seeps from the drain.
