Silverado Classic 1500 4WD V8-5.3L Hybrid (2007)
Tighten the nut to 10 N.m (89 lb in).
18. Lower the vehicle.
19. Remove the caps from the fuel rail and EVAP lines.
20. Connect the EVAP canister purge tube (2) fitting.
21. Connect the fuel feed line (1) fitting at the engine.
22. Install the fuel fill cap.
23. Connect the negative battery cable.
24. 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.
Evaporative Emission (EVAP) Hoses/Pipes Replacement - Engine
EVAPORATIVE EMISSION HOSES/PIPES REPLACEMENT - ENGINE
REMOVAL PROCEDURE
IMPORTANT: Clean the evaporative emission (EVAP) line connections and surrounding areas prior to disconnecting the fittings in order
to avoid possible system contamination.
1. Remove the engine sight shield.
2. Disconnect the EVAP tube from the EVAP canister purge solenoid (1).
1. Push the large side white retainer portion in.
2. Push down, while pulling up slightly in order to disengage the tube.
3. Disconnect the EVAP tube from the chassis EVAP pipe (2).
1. Push the large side white retainer portion in.
2. Push down, while pulling up slightly in order to disengage the tube.
4. Remove the EVAP tube.
5. Cap the EVAP canister purge solenoid and EVAP chassis pipe in order to prevent possible EVAP system contamination.
INSTALLATION PROCEDURE
