Intake manifold gaskets (Range Rover 3)

Before disconnecting the battery, make sure that all the requirements and conditions contained in the section on disconnecting the battery are met.

GENERAL INFORMATION, Precautions when working with electrical equipment.

Dismantling

1. Disconnect "negative" battery terminal.

2. Remove the intake air hose.

ENGINE MANAGEMENT SYSTEM: V8 engine, REPAIR WORK, Hose connecting the air mass sensor to the throttle pipe.

3. Remove the left cover of the ignition coils.

ENGINE MANAGEMENT SYSTEM: V8 engine, REPAIR WORK, Left row ignition coil cover.

4. Remove the right cover of ignition coils.

ENGINE MANAGEMENT SYSTEM: V8 engine, REPAIR WORK, Right row ignition coil cover.

5. Disconnect the connectors from the ignition coils.

6. Disconnect connectors from throttle body, thermostat heater, camshaft position sensor (CMP) and coolant temperature sensor (ECT). Cut off 2 plastic ties and release the engine harness.

7. Disconnect the connectors from the solenoid valves of the variable valve timing system (VCC).

8. Release the VCC solenoid connector from the clamp.

9. Disconnect block from the generator.

10. Release the generator harness from 4 clamps.

11. Disconnect the block from the knock sensor (KS) and camshaft position sensor (CMP).

12. Turn away 2 bolts of fastening of a plait of electroconducting of fuel atomizers to a fuel stage.

13. Release the vacuum reservoir and mounting bracket from the left stud of the fuel injector wiring harness.

14. Remove the fuel pipe and bracket from the left stud of the fuel injector wiring harness.

15. Release the generator harness from the two clamps on the brackets of the upper engine casing.

16. Disconnect blocks from fuel atomizers.

17. Disconnect the motor harness from the clamps and take it away from the valve cover.

18. Disconnect the block from the fuel vapor absorber purge solenoid valve.

19. Turn away 2 nuts of fastening of a motor plait to an inlet manifold.

20. Disconnect the electrical connector from the SAI solenoid valve (afterburning systems).

21. Remove the SAI valve (afterburning systems) from the right stud of the injector harness.

22. Disconnect the block from the knock sensor.

23. Remove the washer from the fuel injector harness stud.

24. Disconnect blocks from fuel atomizers.

25. Connect the fuel injector harness to your location.

26. Remove the receiving air receiver.

HEATING AND VENTILATION, REPAIR WORKS, Air intake box.

27. Remove the terminal cover, unscrew the nut and disconnect the 2 wires from the pole piece.

28. Relieve residual pressure in the fuel supply system.

V8 FUEL SUPPLY, ADJUSTMENTS AND MAINTENANCE, Relief Pressure Relief.

29. Disconnect the fuel supply hose from the fuel rail.

CAUTION: Always plug fittings and openings to keep dirt out of the system.

30. Turn away 2 collars and disconnect 2 hoses of ventilation.

31. Turn away a collar and disconnect a vacuum hose of brake system.

32. Turn away 2 bolts of fastening of an oil separator to a collector.

33. Turn away a collar and disconnect a vacuum hose from the electrovacuum valve of a purge of an absorber. Disconnect the vacuum tube SAI (afterburning systems).

34. Turn away 10 nuts of fastening of an inlet collector to heads of cylinders and remove 10 spacer plugs.

35. Take aside the vacuum tube of the vacuum brake booster.

36. Raise the intake manifold and disconnect the ventilation hoses.

37. Remove intake manifold and discard 4 gaskets.

NOTE: If disassembly was carried out only to provide access to other elements of the system, then further disassembly operations should not be performed.

38. Disconnect the vacuum tube and remove the electrovacuum valve.

39. Turn away from an inlet collector 4 bolts of fastening of arms of the top casing of the engine.

40. Turn away a bolt of fastening of a fuel stage to an inlet collector and remove a stage with atomizers.

41. Remove lower o-rings from injectors and discard.

42. Turn away 4 bolts of fastening of a throttle branch pipe to an inlet collector and remove a throttle branch pipe.

43. Remove the O-ring from the orifice and discard.

44. Turn away 6 bolts of fastening of a forward cover to an inlet collector and remove a forward cover.

45. Remove and discard O-ring.

46. Turn away 3 bolts of fastening of two arms to a back cover of a collector.

47. Remove 2 brackets.

48. Turn away 4 bolts of fastening of a back cover to an inlet collector and remove a cover.

49. Remove and discard O-ring.

50. Press the shoulders of the retainer and remove the ventilation tube from the intake manifold.

Assembly

1. Attach the ventilation tube to the intake manifold.

2. Install a new O-ring on the back cover.

3. Install the rear cover on the intake manifold and tighten the 4 bolts. Tightening torque 10 Nm.

4. Install 2 brackets and screw in 3 mounting bolts. Tightening torque 10 Nm.

5. Install a new O-ring on the front cover.

6. Install the front cover on the intake manifold and tighten the 6 bolts. Tightening torque 10 Nm.

7. Install a new seal on the orifice.

8. Install the throttle pipe to the intake manifold and tighten the 4 bolts. Tightening torque 10 Nm.

9. Lubricate new O-rings and install them on the nozzles.

10. Insert the rail injectors into the intake manifold and screw in the bolt.

11. Install 2 new brackets on the manifold and tighten the 5 bolts. Tightening torque 10 Nm.

12. Install the electrovacuum valve and connect the vacuum tube.

13. Install 4 new gaskets and install the intake manifold.

14. Attach the ventilation hose and put the manifold on the studs.

15. Bring a vacuum tube of the vacuum brake booster.

16. Insert 10 spacers and tighten 10 manifold nuts. Tightening torque 15 Nm.

17. Attach a vacuum hose to a forward cover of an inlet collector.

18. Attach a vacuum hose of brake system and fix it with a collar.

19. Attach 2 ventilation hoses and secure them with two clamps.

20. Wipe fuel hose connectors.

21. Attach the fuel supply hose to the fuel rail.

22. Connect the 2 wires to the pole shoe, tighten the terminal nut and install the terminal cover.

23. Replace the intake air receiver.

HEATING AND VENTILATION, REPAIR WORKS, Air intake box.

24. Connect the fuel injector harness.

25. Install the washer on the fuel injector harness stud.

26. Install the afterburner solenoid valve to the right fuel injector harness stud.

27. Screw on 2 nuts of fastening of a plait of fuel atomizers to an inlet manifold and tighten them.

28. Connect the connector to the fuel vapor absorber purge valve.

29. Install on the bracket and secure the engine harness with clamps.

30. Attach the fuel injector harness connector.

31. Attach the generator harness to the two clamps on the upper engine cover.

32. Install the fuel hose with bracket on the left-hand injector harness stud.

33. Attach the vacuum reservoir with the bracket to the left row injector harness stud.

34. Screw 2 nuts securing the fuel injector harness to the intake manifold and tighten them.

35. Connect the connector to the knock sensor.

36. Connect the connector to the camshaft position sensor (CMP).

37. Secure the generator wiring harness with 4 clips.

38. Connect the generator connector.

39. Connect the connector to the fuel vapor absorber purge valve.

40. Fix in the clamp the connector of the harness of the variable valve timing system (VCC).

41. Connect the connectors to the valve body solenoids.

42. Install new plastic clamps and secure the harness.

43. Connect the connector to the camshaft position sensor (CMP).

44. Connect the connector to the throttle pipe.

45. Connect the block to the coolant temperature sensor (ECT).

46. Put the connectors on the ignition coils.

47. Reinstall the ignition coil cover.