Workshop Manuals Factory service & repair Land Rover
01 Discovery Workshop Manual - 2nd Edition02 01 - INTRODUCTION03 04 - GENERAL SPECIFICATION DATA04 05 - ENGINE TUNING DATA05 07 - GENERAL FITTING REMINDERS06 09 - LUBRICANTS, FLUIDS AND CAPACITIES07 10 - MAINTENANCE08 12 - ENGINE - Tdi09 10 11 12 12 - ENGINE - V8i13 12 - ENGINE - 4.0 V814 12 - ENGINE - Mpi15 16 17 18 17 - EMISSION CONTROL19 19 - FUEL SYSTEM - Tdi20 19 - FUEL SYSTEM - MFI21 19 - FUEL SYSTEM - SFI22 19 - FUEL SYSTEM - Mpi23 19 - FUEL SYSTEM - Cruise Control24 26 - COOLING SYSTEM - Tdi25 26 - COOLING SYSTEM - V8i26 26 - COOLING SYSTEM - Mpi27 28 30 - MANIFOLD AND EXHAUST SYSTEM29 33 - CLUTCH30 37 - MANUAL GEARBOX - R38031 41 - TRANSFER GEARBOX32 44 - AUTOMATIC GEARBOX - ZF33 34 35 47 - PROPELLER SHAFTS36 51 - REAR AXLE AND FINAL DRIVE37 38 54 - FRONT AXLE AND FINAL DRIVE39 40 41 57 - STEERING42 43 44 60 - FRONT SUSPENSION45 64 - REAR SUSPENSION46 70 - BRAKES47 74 - WHEELS AND TYRES48 75 - SUPPLEMENTARY RESTRAINT SYSTEM49 76 - CHASSIS AND BODY50 51 80 - HEATING AND VENTILATION52 82 - AIR CONDITIONING53 84 - WIPERS AND WASHERS54 86 - ELECTRICAL
Land Rover 300Tdi Discovery21 · 19 - FUEL SYSTEM - SFI
21 · Engine

IDLE AIR CONTROL (IAC)

Make
Land Rover
Model
Discovery 300Tdi Discovery
Section
REPAIR › IDLE AIR CONTROL (IAC)
19 - FUEL SYSTEM - SFIIDLE AIR CONTROL (IAC)
background image

19

FUEL SYSTEM

12

REPAIR

Refit

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 manifold 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.
27. Start engine. Check for leaks around fuel

pressure regulator, fuel feed and fuel return
unions.

IDLE AIR CONTROL (IAC)

Service repair no - 19.22.54

Remove

1. Disconnect battery negative lead.

2. Disconnect IAC multiplug.
3. Remove 2 bolts securing IAC to plenum.
4. Remove IAC.
5. Remove gasket and discard.

Refit

6. Ensure all mating faces are clean.
7. Using a new gasket, fit IAC to plenum. Secure

with bolts. Tighten to

2.3 Nm.

8. Connect multiplug.
9. Reconnect battery negative lead.

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