Silverado Classic 3500 4WD V8-6.6L DSL Turbo (2007)
1. Disconnect the fuel feed and return lines.
2. Remove the fuel line bracket nut.
3. Remove the fuel line bracket from the stud.
4. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
5. Remove the fuel bundle clips (2) from the transmission brackets (1).
6. Disconnect the chassis harness from the retaining clips.
7. Remove the fuel system cooler, if necessary.
8. Disconnect the fuel feed and return lines from the fuel tank lines.