Suburban 1/2 Ton 4WD V8-5.3L VIN Z Flex Fuel (2006)
6. Install the NEW fuel pressure regulator retainer (8).
7. Install the fuel pressure regulator vacuum hose.
8. Install the fuel fill cap.
9. Connect the negative battery cable.
10. 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.
