K 1500 Truck 4WD V8-6.0L VIN U (2001)
Fuel Pressure Test Port: Service and Repair
FUEL PRESSURE CONNECTION VALVE REPLACEMENT
REMOVAL PROCEDURE
1. Remove the engine sight shield.
2. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure.
3. Clean the area around the fuel pressure connection with GM X - 30A or equivalent.
4. Remove the fuel pressure connection core (24) using a standard valve core removal and installation tool.
INSTALLATION PROCEDURE
1. Install the fuel pressure connection core assembly (24) using a standard valve core removal and installation tool.
2. Tighten the fuel tiller cap.
3. Connect the negative battery cable.
4. Use the following procedure in order to inspect for leaks:
4.1. Turn ON the ignition, with the engine OFF, for 2 seconds.
4.2. Turn OFF the ignition for 10 seconds.
4.3. Turn ON the ignition, with the engine OFF.
4.4. Inspect for fuel leaks.
5. Install the fuel pressure connection valve cap (23).
6. Install the engine sight shield.
