Position of the O-ring when installing the pressure regulator on the fuel line
1. Relieve pressure in the fuel line.
2. Remove the ground cable from the battery.
Warning: If your radio has an anti-theft code, make sure you have the connection codes before disconnecting the battery.
Caution! On models from 1993 onwards, the airbag system is disabled if the battery is disconnected for an extended period of time. If the airbag warning light comes on and remains on after the battery is reconnected, contact a specialist workshop to restore the system to working order.
3. Disconnect the vacuum hose from the fuel pressure regulator.
4. Loosen the clamp and remove the fuel return hose from the pressure regulator.
5. Unscrew the pressure regulator mounting bolts and remove the pressure regulator from the fuel line.
6. Using the O-ring, install the pressure regulator onto the fuel line (see Fig. Location of the O-ring when installing the pressure regulator on the fuel line).
7. Further installation is carried out in the reverse order of removal.