Sierra 1500 4WD V8-5.3L VIN T (2004)
Tighten
Tighten the nut to 10 N.m (89 lb in).
19. Lower the vehicle.
20. Remove the caps from the fuel rail and EVAP pipes.
21. Connect the EVAP canister purge tube (3).
22. Connect the fuel feed and return pipes (1) at the fuel rail.
23. Install the fuel fill cap.
24. Connect the negative battery cable.
25. Use the following procedure in order to inspect for leaks:
25.1. Turn the ignition ON, with the engine OFF, for 2 seconds.
25.2. Turn the ignition OFF for 10 seconds.
25.3. Turn the ignition ON, with the engine OFF.
25.4. Inspect for fuel leaks.
