Silverado 3500 2WD V8-6.6L DSL Turbo (2006)
16. Connect the fuel injector return hose to the return/junction block line.
17. Install the fuel rail balance pipe.
18. Connect the fuel rail balance pipe to the fuel rails.
Tighten the fittings to 41 N.m (30 lb ft).
19. Install the fuel rail balance pipe bolts.
Tighten the bolts 25 N.m (18 lb ft).
