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Home >> Lexus >> 2016 >> LS 460 L, AWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - Service Information >> Engine Unit >> Disassembly [09/2015 - ] >> Procedure

Disassembly [09/2015 - ]: Procedure

  1. REMOVE OIL FILLER CAP SUBASSEMBLY 
  2. REMOVE OIL FILLER CAP HOUSING 
    1. Remove the 2 bolts, filler cap housing and gasket.
      GTY147452Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE SPARK PLUG 

    Refer to PROCEDURE - Step 21

  4. REMOVE VVT SENSOR 

    Refer to PROCEDURE - Step 6

  5. REMOVE CAMSHAFT POSITION SENSOR 

    Refer to PROCEDURE - Step 2

  6. REMOVE CRANKSHAFT POSITION SENSOR 

    Refer to PROCEDURE - Step 3

  7. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Bank 1) 

    Refer to PROCEDURE - Step 4

  8. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Bank 2) 

    Refer to PROCEDURE - Step 5

  9. REMOVE CYLINDER BLOCK WATER DRAIN COCK SUBASSEMBLY 
    1. Remove the 2 water drain cock plugs from the water drain cocks.
      GTY618729Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 water drain cocks from the cylinder block.
  10. REMOVE CAMSHAFT TIMING CONTROL WITH EDU MOTOR ASSEMBLY LH 

    Refer to PROCEDURE - Step 3

  11. REMOVE CAMSHAFT TIMING CONTROL WITH EDU MOTOR ASSEMBLY RH 

    Refer to PROCEDURE - Step 2

  12. REMOVE OIL FILTER ELEMENT (for 2WD) 

    Refer to PROCEDURE - Step 3

  13. REMOVE OIL FILTER ELEMENT (for AWD) 

    Refer to PROCEDURE - Step 3

  14. REMOVE OIL FILTER BRACKET (for 2WD) 

    Refer to PROCEDURE - Step 61

  15. REMOVE OIL FILTER BRACKET (for AWD) 

    Refer to PROCEDURE - Step 7

  16. REMOVE FRONT WATER BY-PASS JOINT 
    1. Remove the 4 nuts, water by-pass joint and 2 gaskets.
      GTY625803Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. REMOVE SPARK PLUG TUBE GASKET 
    1. Using a screwdriver, pry out the 8 plug tube gaskets.
      GTY663371Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      Tape the screwdriver tip before use.

  18. REMOVE CYLINDER HEAD COVER SUBASSEMBLY LH 
    1. Remove the fuel pump spacer gasket.
      GTY670285Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. 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.

    3. Remove the 4 gaskets and 2 O-rings from the camshaft bearing caps (No. 2, No. 3, No. 7).
      GTY626457Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. REMOVE CYLINDER HEAD COVER SUBASSEMBLY RH 
    1. Remove the fuel pump spacer gasket.
      GTY616242Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. 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.

    3. Remove the 4 gaskets and 2 O-rings from the camshaft bearing caps (No. 1, No. 3, No. 6).
      GTY685844Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. REMOVE OIL CONTROL VALVE FILTER 
    1. for Bank 1:
      1. Remove the 2 bolts, cylinder head cover spacer, gasket and valve filter.
        GTY654968Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. for Bank 2:
      1. Remove the 2 bolts, cylinder head cover spacer, gasket and valve filter.
        GTY630678Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  21. REMOVE V-RIBBED BELT TENSIONER ASSEMBLY 

    Refer to PROCEDURE - Step 56

  22. REMOVE CRANKSHAFT PULLEY 

    Refer to PROCEDURE - Step 63

  23. REMOVE ENGINE WATER PUMP ASSEMBLY 

    Refer to PROCEDURE - Step 19

  24. REMOVE TIMING CHAIN COVER SUBASSEMBLY 

    Refer to PROCEDURE - Step 67

  25. REMOVE TIMING CHAIN CASE OIL SEAL 

    See step  5

  26. REMOVE WATER INLET PIPE 

    Refer to PROCEDURE - Step 68

  27. SET NO. 1 CYLINDER TO TDC / COMPRESSION 

    See step  2

  28. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY (for Bank 1) 

    See step  3

  29. REMOVE CHAIN TENSIONER SLIPPER (for Bank 1) 
  30. REMOVE NO. 1 CHAIN VIBRATION DAMPER (for Bank 1) 

    See step  5

  31. REMOVE CHAIN SUBASSEMBLY (for Bank 1) 

    See step  6

  32. REMOVE NO. 3 CHAIN TENSIONER ASSEMBLY 

    See step  7

  33. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY (for Bank 2) 

    See step  8

  34. REMOVE CHAIN TENSIONER SLIPPER (for Bank 2) 
  35. REMOVE NO. 1 CHAIN VIBRATION DAMPER (for Bank 2) 

    See step  10

  36. REMOVE CHAIN SUBASSEMBLY (for Bank 2) 

    See step  11

  37. REMOVE NO. 2 CHAIN TENSIONER ASSEMBLY 

    See step  12

  38. REMOVE CRANKSHAFT TIMING GEAR KEY 
    1. Using a screwdriver, remove the 2 timing gear keys from the crankshaft.
      GTY122372Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  39. REMOVE CAMSHAFT BEARING CAP (for Bank 1) 

    See step  8

  40. REMOVE CAMSHAFT HOUSING SUBASSEMBLY (for Bank 1) 

    See step  9

  41. REMOVE CAMSHAFT BEARING CAP (for Bank 2) 

    See step  2

  42. REMOVE CAMSHAFT HOUSING SUBASSEMBLY (for Bank 2) 

    See step  3

  43. REMOVE NO. 1 VALVE ROCKER ARM SUBASSEMBLY 
    1. Remove the 32 valve rocker arms from the cylinder head.

      HINT: 

      Arrange the removed parts in the correct order.

  44. REMOVE VALVE LASH ADJUSTER ASSEMBLY 
    1. Remove the 32 valve lash adjusters from the cylinder head.

      HINT: 

      Arrange the removed parts in the correct order.

  45. REMOVE VALVE STEM CAP 
    1. Remove the 32 valve stem caps from the cylinder head.

      HINT: 

      Arrange the removed parts in the correct order.

  46. REMOVE CYLINDER HEAD SUBASSEMBLY (for Bank 1) 

    See step  5

  47. REMOVE CYLINDER HEAD SUBASSEMBLY (for Bank 2) 

    See step  5

  48. REMOVE CYLINDER BLOCK WATER JACKET SPACER 
    1. Remove the 2 water jacket spacers from the cylinder head.
      GTY105207Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Be sure to remove the water jacket spacers. If not, they may fall and become damaged when the cylinder block is inverted.

  49. REMOVE OIL RETURN PIPE GASKET 
    1. Using a screwdriver, pry out the oil return pipe gasket.
      GTY103495Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      Tape the screwdriver tip before use.

  50. REMOVE NO. 1 HEAT EXCHANGER COVER 
    1. Remove the bolt.
      GTY651611Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 11 bolts and 2 nuts.
      GTY640574Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the heat exchanger by prying between the heat exchanger and cylinder block with a screwdriver.
      GTY105199Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      Tape the screwdriver tip before use.

  51. REMOVE VENTILATION PIPE GASKET 
    1. Using a screwdriver, pry out the ventilation pipe gasket.
      GTY103493Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      Tape the screwdriver tip before use.

  52. REMOVE OIL PAN PROTECTOR (for 2WD) 
    1. Remove the 2 nuts and oil pan protector.
      GTY288120Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  53. REMOVE NO. 2 OIL PAN SUBASSEMBLY 
    1. for 2WD:

      Remove the 15 bolts and 2 nuts.

      GTY652235Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. for AWD:

      Remove the 13 bolts and 2 nuts.

      GTY615252Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Insert the blade of oil pan seal cutter between the oil pans. Cut through the applied sealer and remove the No. 2 oil pan.
      GTY145991Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Be careful not to damage the contact surfaces of the oil pans.

  54. REMOVE OIL PAN SUBASSEMBLY 
    1. for 2WD:
      1. Remove the 14 bolts and 2 nuts.
        GTY644285Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        HINT: 

        Be sure to clean the bolts and stud bolts, and check the threads for cracks or other damage.

      2. Remove the oil pan by prying between the oil pan and cylinder block with a screwdriver.
        GTY269771Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        NOTE:

        Be careful not to damage the contact surfaces of the cylinder block and oil pan.

        HINT: 

        Tape the screwdriver tip before use.

    2. for AWD:
      1. Remove the 14 bolts and 2 nuts.
        GTY622445Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        HINT: 

        Be sure to clean the bolts and stud bolts, and check the threads for cracks or other damage.

      2. Remove the oil pan by prying between the oil pan and cylinder block with a screwdriver.
        GTY628701Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        NOTE:

        Be careful not to damage the contact surfaces of the cylinder block and oil pan.

        HINT: 

        Tape the screwdriver tip before use.

  55. REMOVE NO. 1 OIL PAN BAFFLE PLATE 
    1. for 2WD:

      Remove the 8 bolts and baffle plate.

      GTY626461Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. for AWD:

      Remove the 4 bolts and baffle plate.

      GTY685104Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  56. REMOVE NO. 2 OIL PAN BAFFLE PLATE (for AWD) 
    1. Remove the 4 bolts and baffle plate.
      GTY685885Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  57. REMOVE OIL STRAINER SUBASSEMBLY 
    1. Remove the 2 bolts, oil strainer and O-ring.
      GTY615405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  58. REMOVE ENGINE REAR OIL SEAL RETAINER 
    1. Remove the 6 bolts.
      GTY496704Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a screwdriver, pry out the oil seal retainer.
      GTY675201Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      Tape the screwdriver tip before use.

  59. REMOVE OIL DRAIN PIPE SUBASSEMBLY 
    1. Remove the bolt and oil drain pipe.
      GTY685747Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the O-ring.
  60. REMOVE NO. 1 VENTILATION CONNECTOR 
    1. Remove the ventilation connector.
      GTY669467Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      When removing the ventilation connector, the ventilation tube may come off the ventilation connector. If this occurs, do not forget to remove it from the cylinder block.

      If the ventilation tube comes off, check for deformation and damage. If normal, attach the ventilation tube to the ventilation connector. If deformed or damaged, replace the ventilation connector assembly.

  61. REMOVE OIL PAN STUD BOLT 
    NOTE:

    If the stud bolt is deformed or its threads are damaged, replace it.

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