C 3500 Truck 2WD V8-8.1L VIN G (2001)
1. Install the backup ring (10) on the fuel pressure regulator (8).
2. Install the new large O-ring (11) on the fuel pressure regulator.
3. Install the regulator filter (12) on the fuel pressure regulator.
4. Install the new small O-ring (13) on the fuel pressure regulator.
5. Lubricate the fuel pressure regulator large O-ring and the small O-ring with clean engine oil.
6. Push the fuel pressure regulator into the regulator housing on the fuel rail.
7. Install a new fuel pressure regulator retainer (9).
8. Connect the fuel pressure regulator vacuum line (1).
9. Connect the negative battery cable.
10. Tighten the fuel filler cap.
11. Inspect for leaks using the following procedure:
11.1. Turn ON the ignition, with the engine OFF, for 2 seconds.
11.2. Turn OFF the ignition for 10 seconds.
11.3. Turn ON the ignition, with the engine OFF.
11.4. Inspect for fuel leaks.
