Silverado Classic 2500 4WD V8-6.6L DSL Turbo (2007)
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).
INSTALLATION 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.
4. Install the fuel return line clamp bolts (1).
Tighten the bolts to 25 N.m (18 lb ft).