Silverado Classic 3500 4WD V8-6.6L DSL Turbo (2007)
5. Remove the fuel filter and bracket.
6. Disconnect the return line from the return/junction block line.
7. Remove the fuel return line clips.
8. Remove the fuel injector return line from the injectors.
INSTALLATION PROCEDURE
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.