Silverado 2500 4WD V8-6.6L DSL Turbo (2010)
7. Prior to removing the fuel injection fuel feed pipes, use compressed air to blow any debris from between the injector line and fittings. Wipe the
fittings clean of debris.
8. Spray lithium grease, GM P/N 12346293 or equivalent, between the fuel injector line and fittings to assist in containing any debris during removal.
Caution: DO NOT use compressed air to clean debris from the fuel injector inlet after the fuel line is removed. Using compressed air can allow
debris to enter the fuel injector inlet and damage the fuel injector.
9. Remove the fuel injection fuel feed pipes.
10. Loosen the right fuel rail fuel feed pipe fitting (4) at the fuel rail.
