C 3500 Truck 2WD V8-6.6L DSL Turbo VIN 1 (2002)
Fuel Return Line: Service and Repair
Fuel Feed and Fuel Return Pipe Purge Procedure
FUEL FEED AND FUEL RETURN PIPE PURGE PROCEDURE
1. Pump Primer located on top of the fuel filter 30 times or until stiff.
2. Attempt to start and run the engine. If the engine does not start, repeat step 1.
3. Allow to run for 5 minutes at idle.
4. Check for fuel leaks.
5. Clear all engine diagnostic trouble codes (DTCs).
Fuel Return Pipe Replacement
REMOVAL PROCEDURE
1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single Battery) or Battery Negative Cable
Disconnect/Connect Procedure (Auxiliary Battery) Starting and Charging.
2. Drain the cooling system. Refer to Draining and Filling Cooling System in Cooling System.
3. Remove the air cleaner outlet duct.
4. Remove the right turbo charged air outlet hose.
5. Remove the left turbo charged air outlet hose.
6. Remove the engine wiring harness.
