Silverado 2500 4WD V8-6.6L DSL Turbo VIN 2 (2004)
1. Install the fuel injector return line to the injectors.
2. Install the fuel return line clips.
3. Connect the return line to the return/junction block line.
4. Install the fuel filter and bracket.
5. Install the FICM.
6. Prime the fuel system. Refer to Fuel System Priming.
7. Start the engine. If the engine stalls, repeat the above step.
8. Once the engine starts, inspect for fuel leaks.
Fuel Return Junction Block Replacement
FUEL RETURN JUNCTION BLOCK REPLACEMENT
REMOVAL PROCEDURE
1. Reposition the fuel hose clamp at the return/junction block.
2. Remove the hose (1) from the return/junction block.
3. Disconnect the right fuel return line from the return/junction block line.