Silverado 3500 4WD V8-6.0L (2007)
Tighten the fuel rail bolts to 10 N.m (89 lb in).
7. Install the evaporative emission (EVAP) canister purge solenoid valve (730) and tubes (729, 735).
8. Install the fuel rail stop bracket and bolt.
Tighten the fuel rail stop bracket bolt to 50 N.m (37 lb ft).