Silverado Classic 1500 2WD V6-4.3L (2007)
18. Remove the caps from the engine fuel line (1) and EVAP line (3).
19. Connect the EVAP line (3).
20. Connect the chassis fuel feed line at the engine fuel line (1).
21. Install the fuel fill cap.
22. Connect the negative battery cable.
23. Use the following procedure in order to inspect for leaks:
1. Turn the ignition ON, with the engine OFF, for 2 seconds.
2. Turn the ignition OFF for 10 seconds.
3. Turn the ignition ON, with the engine OFF.
4. Inspect for fuel leaks.