K 1500 Truck 4WD V8-5.3L VIN T (1999)
1. Install the backup ring (10) on the fuel pressure regulator (9).
2. Install the new large O-ring (11) on the fuel pressure regulator (9).
3. Install the regulator filter (12) on the fuel pressure regulator (9).
4. Install the new small O-ring (13) on the fuel pressure regulator (9).
5. Lubricate the fuel pressure regulator large O-ring (11) and the small O-ring (13) 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 (8).
8. Connect the fuel pressure regulator vacuum line.
9. Connect the negative battery cable.
10. Tighten the fuel filler cap.
11. Inspect for leaks.
11.1. Turn the ignition switch ON for 2 seconds.
11.2. Turn the ignition switch OFF for 10 seconds.
11.3. Turn the ignition switch ON.
11.4. Check for fuel leaks.
12. Install the engine sight shield.
