Range Rover P38 Fuel System Repair: Land Rover V8 Fuel Pressure Regulator Replacement
LAND ROVER V8
29
REPAIR
6. Remove 6 nuts securing fuel rail and ignition coil
bracket to inlet manifold.
7. Lift fuel rail slightly for access. Release ignition
coil bracket from inlet manifold studs. Place
aside.
CAUTION: Do not completely withdraw
injectors from fitted locations.
8. Remove bolts securing fuel pressure regulator to
fuel rail.
9. Remove fuel pressure regulator assembly.
10. Release connecting pipe and hose assembly
from regulator.
11. Remove ’O’ ring and spacer ring from fuel
pressure regulator. Discard ’O’ ring.
Refit
12. Ensure locations on fuel pressure regulator and
fuel rail are clean.
13. Fit new spacer ring and ’O’ ring to fuel pressure
regulator. Lubricate ’O’ ring with silicone grease.
14. Fit connecting pipe assembly to fuel pressure
regulator. Secure clip.
15. Fit pressure regulator assembly to fuel rail.
Secure with bolts. Tighten to
10 Nm (7 lbf.ft)
16. Secure regulator connecting pipe in clip.
17. Align ignition coil bracket to inlet manifold studs.
18. Secure ignition coil bracket and fuel rail to inlet
manifold with nuts. Tighten to
8 Nm (6 lbf.ft)
19. Connect return pipe to regulator connecting pipe.
Secure with clip.
NOTE: Advanced EVAPS vehicles have a
threaded connection to the return hose.
20. Connect vacuum hose to fuel pressure regulator.
21. Reconnect battery negative lead.
22. Start engine. Check for leaks around fuel
pressure regulator, fuel feed and fuel return
unions.
