K 1500 Truck 4WD V8-4.8L VIN V (1999)
5. Remove the fuel return pipe attaching screw (3) and the fuel return pipe retainer (2).
6. Remove the fuel return pipe (1).
7. Remove the fuel return pipe O-ring (6).
8. Discard the O-ring (6).
INSTALLATION PROCEDURE
1. Lubricate the new fuel return pipe O-ring (6) with clean engine oil.
2. Install the fuel return pipe O-ring (6) on the fuel return pipe (1).
3. Install the fuel return pipe (1) to the left fuel rail (14).
NOTE: Refer to the Fastener Notice in Service Precautions.
4. Install the fuel return pipe retainer (2) and the fuel return pipe attaching screw (3).
Tighten
Tighten the fuel return pipe attaching screw (3) to 5 N.m (44 lb in).
