For 1990-2009 cars

### Removal Procedure

1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
2. Clean the area around the fuel pressure connection with GM X-30A or equivalent.
3. Remove the fuel pressure connection core (2) using a standard valve core removal and installation tool.

### Installation Procedure

1. Install the fuel pressure connection core assembly (2) using a standard valve core removal and installation tool.
2. Tighten the fuel filler cap.
3. Connect the negative battery cable.
4. Inspect for leaks.

4.1. | Turn ON the ignition for 2 seconds.

4.2. | Turn OFF the ignition for 10 seconds.

4.3. | Turn ON the ignition.

4.4. | Inspect for fuel leaks.

5. Install the fuel pressure connection valve cap (1).