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Home >> Lexus >> 2012 >> LS 460 RWD V8-4.6L (1UR-FSE) >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Engine Lubrication >> Oil Pump >> Service and Repair >> Removal and Replacement >> Removal

Removal





1UR-FSE LUBRICATION: OIL PUMP (for 2WD): REMOVAL

1. DISCHARGE FUEL SYSTEM PRESSURE

(a) Discharge fuel system pressure Service Precautions.

2. REMOVE COWL TOP VENTILATOR LOUVER RH Removal

3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.

NOTICE:
After the engine switch is turned off, the HDD navigation system requires approximately 6 minutes to record various types of memory and settings. As a result, after turning the engine switch off, wait 6 minutes or more before disconnecting the cable from the negative (-) battery terminal.

4. REMOVE V-BANK COVER SUB-ASSEMBLY Removal

5. REMOVE AIR CLEANER INLET COVER SUB-ASSEMBLY Removal

6. REMOVE NO. 1 AIR CLEANER INLET Removal

7. REMOVE ENGINE ROOM SIDE COVER LH Removal

8. REMOVE ENGINE ROOM SIDE COVER RH Removal

9. REMOVE BATTERY CLAMP SUB-ASSEMBLY

(a) Remove the nut, battery clamp and 2 clamp bolts.

10. REMOVE BATTERY TRAY

(a) Remove the battery insulator and battery.

(b) Remove the 3 bolts and battery tray.

11. REMOVE NO. 1 ENGINE UNDER COVER Service and Repair

12. REMOVE NO. 2 ENGINE UNDER COVER Removal

13. REMOVE FRONT SUSPENSION MEMBER PROTECTOR LOWER Removal

14. REMOVE ENGINE UNDER COVER REAR LH Removal

15. REMOVE ENGINE UNDER COVER REAR RH Removal

16. DRAIN ENGINE OIL Replacement

17. DRAIN ENGINE COOLANT Service and Repair

18. REMOVE INTAKE AIR CONNECTOR PIPE Removal

19. REMOVE AIR CLEANER ASSEMBLY RH Removal

20. REMOVE AIR CLEANER ASSEMBLY LH Removal

21. REMOVE RADIATOR RESERVOIR ASSEMBLY Removal

22. REMOVE V-RIBBED BELT Removal

23. DISCONNECT NO. 1 RADIATOR HOSE

24. DISCONNECT NO. 2 RADIATOR HOSE

25. REMOVE ENGINE ROOM ECU OUTLET DUCT Removal

26. REMOVE SKID CONTROL ECU Removal

27. REMOVE SKID CONTROL ECU BRACKET Removal

28. DISCONNECT ENGINE WIRE

(a) for Engine Room LH Side:

(1) Remove the ECM box cover (upper).





(2) Disconnect the 3 ECT connectors and 4 ECM connectors from the ECM box.

(3) Disconnect the camshaft timing control valve connector.





(4) Disconnect the 4 ignition coil connectors.

(5) Disconnect the 2 VVT sensor connectors.

(6) Disconnect the fuel pump connector (for high pressure).

(7) Disconnect the No. 8 engine wire connector.

(8) Remove the 2 bolts and disconnect the clamp and 2 clamp brackets.

Disconnect the engine coolant temperature sensor connector.





Disconnect the engine oil pressure sensor connector.

(11) Disconnect the 2 camshaft timing control motor connectors (for Bank 1).

(12) Detach the clamp and disconnect the cooler compressor connector.

(13) Remove the 3 bolts and disconnect the 3 clamps and ground wire.

(14) Remove the bolt and clamp bracket.

(b) for Engine Room RH Side:

(1) Detach the clamp and disconnect the 3 connectors with front controller.





(2) Remove the 2 nuts and disconnect the wires with No. 1 engine room junction block.





(3) Disconnect the camshaft timing control valve connector.





(4) Disconnect the 4 ignition coil connectors.

(5) Disconnect the 2 VVT sensor connectors.

(6) Disconnect the fuel pump connector (for high pressure).

(7) Disconnect the engine wire connector.

(8) Disconnect the 2 camshaft timing control motor connectors (for Bank 2).

Disconnect the camshaft position sensor connector.

Remove the nut and disconnect the generator wire and connector.

(11) Remove the nut and disconnect the starter wire and connector.

(12) Disconnect the crankshaft position sensor connector.

(13) Disconnect the engine oil level sensor connector.

(14) Remove the 3 bolts, and disconnect the 3 clamp brackets and 2 clamps.

(c) Remove the bolt and disconnect the ground wire.





(d) Disconnect the 4 injector connectors as shown in the illustration.





(e) Disconnect the purge VSV connector.





(f) Disconnect the intake air control valve actuator connector.

(g) Remove the 2 bolts and disconnect the 2 clamp brackets and clamp.

(h) Remove the 4 nuts and disconnect the engine wire.

29. REMOVE FRONT EXHAUST PIPE ASSEMBLY

(a) Remove the front exhaust pipe Removal.

30. DISCONNECT FRONT STABILIZER BAR Removal

31. REMOVE FRONT SUSPENSION MEMBER REINFORCEMENT LH Removal

32. REMOVE STEERING SLIDING YOKE WITH SHAFT SUB-ASSEMBLY (w/ VGRS) Removal

33. REMOVE STEERING SLIDING YOKE WITH SHAFT SUB-ASSEMBLY (w/o VGRS) Removal

34. REMOVE NO. 2 STEERING INTERMEDIATE SHAFT ASSEMBLY (w/ VGRS) Removal

35. REMOVE NO. 2 STEERING INTERMEDIATE SHAFT ASSEMBLY (w/o VGRS) Removal

36. REMOVE NO. 2 EXHAUST MANIFOLD HEAT INSULATOR Removal

37. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY (for Bank 1) Removal

38. DISCONNECT COOLER COMPRESSOR ASSEMBLY Removal

39. REMOVE OIL LEVEL DIPSTICK GUIDE Removal

40. REMOVE GENERATOR ASSEMBLY Removal

41. REMOVE INJECTOR DRIVER Removal

42. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY

43. REMOVE WATER BY-PASS PIPE SUB-ASSEMBLY Removal

44. REMOVE INTAKE MANIFOLD Removal

45. REMOVE NO. 3 ENGINE COVER Removal

46. REMOVE ENGINE COVER SUB-ASSEMBLY Removal

47. REMOVE FUEL PRESSURE PULSATION DAMPER ASSEMBLY Removal

48. REMOVE NO. 3 FUEL PIPE SUB-ASSEMBLY Removal

49. REMOVE NO. 2 FUEL PIPE SUB-ASSEMBLY Removal

50. REMOVE FUEL PUMP ASSEMBLY (for High Pressure) Removal

51. REMOVE WATER INLET HOUSING

(a) Using needle-nose pliers, grip the claws of the clip and slide the clip to disconnect the water by-pass hose and water inlet hose.





(b) Remove the 3 bolts, water inlet housing and gasket.





52. REMOVE WATER PUMP PULLEY Removal

53. REMOVE NO. 2 IDLER PULLEY SUB-ASSEMBLY Removal

54. REMOVE NO. 1 IDLER PULLEY SUB-ASSEMBLY Removal

55. REMOVE V-RIBBED BELT TENSIONER ASSEMBLY

(a) Remove the standard bolt, 6 mm hexagon wrench bolt and belt tensioner.





56. REMOVE FRONT WATER BY-PASS JOINT Disassembly

57. REMOVE CAMSHAFT TIMING CONTROL MOTOR ASSEMBLY (for Bank 1) Removal

58. REMOVE CAMSHAFT TIMING CONTROL MOTOR ASSEMBLY (for Bank 2) Removal

59. REMOVE OIL FILTER ELEMENT Replacement

60. REMOVE OIL FILTER BRACKET

(a) Remove the 3 bolts, filter bracket and 2 gaskets.





61. REMOVE RESONATOR BRACKET SUB-ASSEMBLY Replacement

62. REMOVE CRANKSHAFT PULLEY

(a) Using SST, loosen the crankshaft pulley set bolt.





SST : 09213-54015

90119-08216

SST : 09330-00021

(b) Using the pulley set bolt and SST, remove the crankshaft pulley.





SST : 09950-50013

09951-05010

09952-05010

09953-05010

09954-05011

63. REMOVE IGNITION COIL ASSEMBLY Removal

64. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY (for Bank 1)

(a) Remove the 15 bolts, 2 seal washers, cylinder head cover and gasket.





HINT
Make sure the removed parts are returned to the same places they were removed from.

(b) Remove the 4 gaskets and 2 O-rings from the camshaft bearing caps (No. 2, No. 3, No. 7).





65. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY (for Bank 2)

(a) Remove the 15 bolts, 2 seal washers, cylinder head cover and gasket.





HINT
Make sure the removed parts are returned to the same places they were removed from.

(b) Remove the 4 gaskets and 2 O-rings from the camshaft bearing caps (No. 1, No. 3, No. 6).





66. REMOVE TIMING CHAIN COVER SUB-ASSEMBLY

(a) Remove the 2 plugs and 2 gaskets.





(b) Remove the 30 bolts and nut shown in the illustration.





(c) Remove the timing chain cover by prying between the timing chain cover and cylinder head and cylinder block with a screwdriver as shown in the illustration.





NOTICE:
Be careful not to damage the contact surfaces of the cylinder head, cylinder block and chain cover.

HINT
Tape the screwdriver tip before use.

(d) Remove the oil pump gasket from the cylinder block.





(e) Remove the O-ring from the cylinder block.





67. REMOVE WATER INLET PIPE

(a) Remove the water inlet pipe.





(b) Remove the 2 O-rings from the water inlet pipe.
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