Fuel Pressure Regulator: Service and Repair

Remove
1. Disconnect battery negative lead.
2. Depressurise fuel system.Depressurizing Fuel System







3. Position cloth over fuel feed union, slacken union to release fuel pressure, then re-tighten union.
4. Release fuel return hose clip. Remove fuel return hose from regulator connecting pipe.
5. Plug connections.
6. Remove 4 nuts ignition coil bracket to inlet manifold.
7. Release ignition coil bracket from inlet manifold studs and place aside.
8. Release regulator connecting pipe from clip.







9. Disconnect vacuum hose from fuel pressure regulator.
10. Remove 2 bolts securing fuel pressure regulator to fuel rail.
11. Remove fuel pressure regulator assembly.







12. Remove 'O' ring and spacer ring from fuel pressure regulator. Discard 'O' ring.
13. Release clip and remove connecting pipe from regulator.
14. Fit plugs to regulator and rail.

Rent
15. Ensure locations on fuel pressure regulator and fuel rail are clean.
16. Fit new spacer ring and 'O' ring to fuel pressure regulator. Lubricate 'O' ring with silicone grease.
17. Fit pressure regulator assembly to fuel rail.
18. Secure regulator connecting pipe in clip.
19. Secure with bolts. Tighten to 10 Nm.
20. Align ignition coil bracket to inlet man fold studs.
21. Secure ignition coil bracket and fuel rail to inlet manifold with nuts. Tighten to 8 Nm.
22. Remove plugs.
23. Connect return pipe to regulator connecting pipe. Secure with clip.
24. Connect vacuum hose to fuel pressure regulator.
25. Remove cloth.
26. Reconnect battery negative lead. Start engine Check for leaks around fuel pressure regulator, fuel feed and fuel return unions.