3500 4x4 Pickup L6-359 5.9L DSL Turbo (1996)
Fuel Injector: Service and Repair
REMOVAL
1. Disconnect both negative battery cables from both batteries.
2. Remove the high-pressure fuel lines. Refer to High-Pressure Fuel Supply Lines. See: Fuel Supply Line/Service and Repair/High Pressure Lines -
Replacement
3. Remove the fuel drain manifold. Refer to Fuel Drain Manifold/Fuel Return Line. See: Fuel Return Line/Service and Repair
4. Thoroughly clean the area around the injector.
Loosening Injector Nut
CAUTION: When rust has formed on the fuel injector nut, the injector (when being removed) can rotate in the cylinder head. This may cause
damage to the cylinder head bore. Use a rust penetrating solvent before attempting to loosen a rusted holddown nut.
Loosening Injector Body
5. Hit the injector body with a brass drift to loosen it.
Loosening Injector