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Home >> Lexus >> 2023 >> ES 300h Base >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical System (A25A-FXS) - Service Information (1 Of 3) >> Cylinder Head Gasket >> Removal [06/2018 - 08/2020] >> Procedure

Removal [06/2018 - 08/2020]: Procedure

  1. INSTALL ENGINE ASSEMBLY TO ENGINE STAND 

    Refer to REMOVAL [06/2018 - 08/2020] 

  2. REMOVE ENGINE HANGERS 

    See step  54

  3. REMOVE COMPRESSOR WITH MOTOR ASSEMBLY 

    Refer to PROCEDURE - Step 2

  4. REMOVE NO. 2 WATER BY-PASS PIPE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 3

  5. REMOVE FLOW SHUTTING VALVE (WATER BY-PASS HOSE ASSEMBLY) 

    Refer to PROCEDURE - Step 4

  6. REMOVE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR 

    Refer to PROCEDURE - Step 5

  7. REMOVE MANIFOLD STAY 

    Refer to PROCEDURE - Step 17

  8. REMOVE EXHAUST MANIFOLD (TWC: Front Catalyst) 

    Refer to PROCEDURE - Step 7

  9. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY 

    Refer to PROCEDURE - Step 6

  10. REMOVE THROTTLE BODY GASKET 

    Refer to PROCEDURE - Step 7

  11. REMOVE EGR COOLER ASSEMBLY 

    Refer to PROCEDURE - Step 10

  12. REMOVE NO. 1 EGR PIPE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 5

  13. REMOVE NO. 4 WATER BY-PASS HOSE 

    Refer to PROCEDURE - Step 12

  14. REMOVE EGR VALVE ASSEMBLY 

    Refer to PROCEDURE - Step 13

  15. REMOVE NO. 3 WATER BY-PASS PIPE 

    Refer to PROCEDURE - Step 14

  16. REMOVE NO. 2 WATER BY-PASS PIPE 

    Refer to PROCEDURE - Step 15

  17. REMOVE INTAKE MANIFOLD 

    Refer to PROCEDURE - Step 9

  18. REMOVE NO. 1 INTAKE MANIFOLD TO HEAD GASKET 

    Refer to PROCEDURE - Step 10

  19. DISCONNECT FUEL TUBE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 5

  20. REMOVE NO. 1 FUEL PIPE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 19

  21. REMOVE FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY (for High Pressure) 

    Refer to PROCEDURE - Step 8

  22. REMOVE NO. 7 WATER BY-PASS HOSE 

    Refer to PROCEDURE - Step 21

  23. REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 10

  24. REMOVE NO. 1 DELIVERY PIPE SPACER 

    Refer to PROCEDURE - Step 11

  25. REMOVE INJECTOR VIBRATION INSULATOR 

    Refer to PROCEDURE - Step 12

  26. REMOVE NO. 5 ENGINE WIRE 

    Refer to PROCEDURE - Step 13

  27. REMOVE PORT FUEL INJECTOR ASSEMBLY 

    Refer to PROCEDURE - Step 14

  28. REMOVE FUEL DELIVERY PIPE 

    Refer to PROCEDURE - Step 8

  29. REMOVE DIRECT FUEL INJECTOR ASSEMBLY 

    Refer to PROCEDURE - Step 9

  30. REMOVE IGNITION COIL ASSEMBLY 

    Refer to PROCEDURE - Step 2

  31. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE 

    Refer to PROCEDURE - Step 33

  32. REMOVE OIL PRESSURE CONTROL VALVE ASSEMBLY 

    Refer to PROCEDURE - Step 2

  33. REMOVE CAMSHAFT POSITION SENSOR (for Intake Side) 

    Refer to PROCEDURE - Step 2

  34. REMOVE CAMSHAFT POSITION SENSOR (for Exhaust Side) 

    Refer to PROCEDURE - Step 3

  35. REMOVE CAM TIMING OIL CONTROL SOLENOID ASSEMBLY 

    Refer to PROCEDURE - Step 2

  36. REMOVE O-RING 

    Refer to PROCEDURE - Step 3

  37. REMOVE CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY 

    Refer to PROCEDURE - Step 4

  38. REMOVE CAM TIMING CONTROL MOTOR O-RING 

    Refer to PROCEDURE - Step 5

  39. REMOVE CRANKSHAFT PULLEY ASSEMBLY 

    Refer to PROCEDURE - Step 19 [06/2018 - 07/2019] , or refer to PROCEDURE - Step 21 [07/2019 - 10/2019] , or refer to PROCEDURE - Step 19 [10/2019 - ]

  40. REMOVE WATER OUTLET 

    Refer to PROCEDURE - Step 20 [06/2018 - 07/2019] , or refer to PROCEDURE - Step 22 [07/2019 - 10/2019] , or refer to PROCEDURE - Step 20 [10/2019 - ]

  41. REMOVE WATER BY-PASS OUTLET SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 21 [06/2018 - 07/2019] , or refer to PROCEDURE - Step 23 [07/2019 - 10/2019] , or refer to PROCEDURE - Step 21 [10/2019 - ]

  42. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 22 [06/2018 - 07/2019] , or refer to PROCEDURE - Step 24 [07/2019 - 10/2019] , or refer to PROCEDURE - Step 22 [10/2019 - ]

  43. REMOVE SPARK PLUG TUBE GASKET 

    Refer to PROCEDURE - Step 23 [06/2018 - 07/2019] , or refer to PROCEDURE - Step 25 [07/2019 - 10/2019] , or refer to PROCEDURE - Step 23 [10/2019 - ]

  44. REMOVE ENGINE MOUNTING BRACKET RH 

    Refer to PROCEDURE - Step 24 [06/2018 - 07/2019] , or refer to PROCEDURE - Step 26 [07/2019 - 10/2019] , or refer to PROCEDURE - Step 24 [10/2019 - ]

  45. REMOVE NO. 2 TIMING CHAIN COVER ASSEMBLY 

    Refer to PROCEDURE - Step 26 [06/2018 - 07/2019] , or refer to PROCEDURE - Step 28 [07/2019 - 10/2019] , or refer to PROCEDURE - Step 26 [10/2019 - ]

  46. REMOVE TIMING CHAIN COVER OIL SEAL 

    Refer to PROCEDURE - Step 27 [06/2018 - 07/2019] , or refer to PROCEDURE - Step 29 [07/2019 - 10/2019] , or refer to PROCEDURE - Step 27 [10/2019 - ]

  47. SET NO. 1 CYLINDER TO TDC (COMPRESSION) 

    Refer to PROCEDURE - Step 28 [06/2018 - 07/2019] , or refer to PROCEDURE - Step 30 [07/2019 - 10/2019] , or refer to PROCEDURE - Step 28 [10/2019 - ]

  48. REMOVE OIL PUMP DRIVE CHAIN SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 29 [06/2018 - 07/2019] , or refer to PROCEDURE - Step 31 [07/2019 - 10/2019] , or refer to PROCEDURE - Step 29 [10/2019 - ]

  49. REMOVE CAMSHAFT TIMING GEAR ASSEMBLY 

    Refer to PROCEDURE - Step 30 [06/2018 - 07/2019] , or refer to PROCEDURE - Step 32 [07/2019 - 10/2019] , or refer to PROCEDURE - Step 30 [10/2019 - ]

  50. REMOVE CHAIN SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 31 [06/2018 - 07/2019] , or refer to PROCEDURE - Step 33 [07/2019 - 10/2019] , or refer to PROCEDURE - Step 31 [10/2019 - ]

  51. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY 

    Refer to PROCEDURE - Step 32 [06/2018 - 07/2019] , or refer to PROCEDURE - Step 34 [07/2019 - 10/2019] , or refer to PROCEDURE - Step 32 [10/2019 - ]

  52. REMOVE CHAIN TENSIONER SLIPPER 

    Refer to PROCEDURE - Step 33 [06/2018 - 07/2019] , or refer to PROCEDURE - Step 35 [07/2019 - 10/2019] , or refer to PROCEDURE - Step 33 [10/2019 - ]

  53. REMOVE NO. 1 CHAIN VIBRATION DAMPER 

    Refer to PROCEDURE - Step 34 [06/2018 - 07/2019] , or refer to PROCEDURE - Step 36 [07/2019 - 10/2019] , or refer to PROCEDURE - Step 34 [10/2019 - ]

  54. REMOVE CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY 

    Refer to PROCEDURE - Step 35 [06/2018 - 07/2019] , or refer to PROCEDURE - Step 37 [07/2019 - 10/2019] , or refer to PROCEDURE - Step 35 [10/2019 - ]

  55. REMOVE TIMING CHAIN COVER ASSEMBLY 

    Refer to PROCEDURE - Step 36 [06/2018 - 07/2019] , or refer to PROCEDURE - Step 38 [07/2019 - 10/2019] , or refer to PROCEDURE - Step 36 [10/2019 - ]

  56. REMOVE FUEL PUMP LIFTER GUIDE 

    Refer to PROCEDURE - Step 39 [06/2018 - 07/2019] , or refer to PROCEDURE - Step 41 [07/2019 - 10/2019] , or refer to PROCEDURE - Step 39 [10/2019 - ]

  57. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 40 [06/2018 - 07/2019] , or refer to PROCEDURE - Step 42 [07/2019 - 10/2019] , or refer to PROCEDURE - Step 40 [10/2019 - ]

  58. REMOVE CAMSHAFT BEARING CAP 

    Refer to PROCEDURE - Step 41 [06/2018 - 07/2019] , or refer to PROCEDURE - Step 43 [07/2019 - 10/2019] , or refer to PROCEDURE - Step 41 [10/2019 - ]

  59. REMOVE CAMSHAFT 

    Refer to PROCEDURE - Step 42 [06/2018 - 07/2019] , or refer to PROCEDURE - Step 44 [07/2019 - 10/2019] , or refer to PROCEDURE - Step 42 [10/2019 - ]

  60. REMOVE NO. 2 CAMSHAFT 

    Refer to PROCEDURE - Step 43 [06/2018 - 07/2019] , or refer to PROCEDURE - Step 45 [07/2019 - 10/2019] , or refer to PROCEDURE - Step 43 [10/2019 - ]

  61. REMOVE NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 44 [06/2018 - 07/2019] , or refer to PROCEDURE - Step 46 [07/2019 - 10/2019] , or refer to PROCEDURE - Step 44 [10/2019 - ]

  62. REMOVE VALVE LASH ADJUSTER ASSEMBLY 

    Refer to PROCEDURE - Step 45 [06/2018 - 07/2019] , or refer to PROCEDURE - Step 47 [07/2019 - 10/2019] , or refer to PROCEDURE - Step 45 [10/2019 - ]

  63. REMOVE VALVE STEM CAP 

    Refer to PROCEDURE - Step 46 [06/2018 - 07/2019] , or refer to PROCEDURE - Step 48 [07/2019 - 10/2019] , or refer to PROCEDURE - Step 46 [10/2019 - ]

  64. REMOVE CYLINDER HEAD SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 48 [06/2018 - 07/2019] , or refer to PROCEDURE - Step 50 [07/2019 - 10/2019] , or refer to PROCEDURE - Step 49 [10/2019 - ]

  65. REMOVE CYLINDER HEAD GASKET 
    GTY759932Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the cylinder head gasket from the cylinder block sub-assembly.
  66. INSPECT CYLINDER HEAD SET BOLT 

    Refer to PROCEDURE - Step 18

  67. INSPECT CYLINDER HEAD SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 1

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