Sierra Classic 2500 2WD V8-6.6L DSL Turbo (2007)
16. Disconnect the fuel rail balance pipe from the fuel rails.
17. Remove the fuel rail balance pipe bolts.
18. Remove the fuel rail balance pipe.
19. Disconnect the fuel injector return hose from the return/junction block line.
20. Reposition the return/junction block hose clamps at the injection pump.
21. Remove the fuel hoses from the return/junction block.