Silverado Classic 2500 4WD V8-6.6L DSL Turbo (2007)
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.
9. Remove the fuel bundle nuts from the chassis.