K 1500 Truck 4WD V8-4.8L VIN V (2003)
Tighten
Tighten the nut to ................................5 N.m (44 lb in).
19. Tighten the fuel fill cap.
20. Connect the negative battery cable.
21. Use the following procedure in order to inspect for leaks:
21.1. Turn the ignition ON, with the engine OFF, for 2 seconds.
21.2. Turn the ignition OFF for 10 seconds.
21.3. Turn the ignition ON, with the engine OFF.
21.4. Inspect for fuel leaks.