Silverado 3500 2WD V8-6.6L DSL Turbo VIN 2 (2004)
6. Remove the fuel return line clamp bolts (1).
7. Reposition the fuel return line hose clamp (3) from the fuel rail.
8. Remove the fuel return line hose from the fuel rail.
9. Remove the fuel return line (2).
REMOVAL PROCEDURE
1. Install the fuel return line (2).
2. Install the fuel return line hose to the fuel rail.
3. Position the fuel return line hose clamp (3) at the fuel rail.
NOTE: Refer to Fastener Notice in Service Precautions.
4. Install the fuel return line clamp bolts (1).
Tighten
Tighten the bolts to 25 N.m (18 lb ft).