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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (Engine Mechanical System (A25A-FXS) - Service Information (1 Of 3)) >> Cylinder Head Gasket >> Removal [10/2022 - 11/2023] >> Procedure

Removal [10/2022 - 11/2023]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. INSTALL ENGINE ASSEMBLY TO ENGINE STAND 

    Refer to REMOVAL [10/2022 - 11/2023]

  2. REMOVE ENGINE HANGERS 

    Refer to PROCEDURE - Step 58

  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 15

  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 3

  12. REMOVE NO. 1 EGR PIPE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 3

  13. REMOVE EGR VALVE ASSEMBLY 

    Refer to PROCEDURE - Step 4

  14. REMOVE NO. 3 WATER BY-PASS PIPE 

    Refer to PROCEDURE - Step 13

  15. REMOVE NO. 2 WATER BY-PASS PIPE 

    Refer to PROCEDURE - Step 14

  16. REMOVE INTAKE MANIFOLD 

    Refer to PROCEDURE - Step 10

  17. REMOVE NO. 1 INTAKE MANIFOLD TO HEAD GASKET 

    Refer to PROCEDURE - Step 11

  18. DISCONNECT FUEL TUBE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 6

  19. REMOVE NO. 1 FUEL PIPE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 18

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

    Refer to PROCEDURE - Step 9

  21. REMOVE NO. 7 WATER BY-PASS HOSE 

    Refer to PROCEDURE - Step 20

  22. REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 11

  23. REMOVE NO. 1 DELIVERY PIPE SPACER 

    Refer to PROCEDURE - Step 12

  24. REMOVE INJECTOR VIBRATION INSULATOR 

    Refer to PROCEDURE - Step 13

  25. REMOVE NO. 5 ENGINE WIRE 

    Refer to PROCEDURE - Step 14

  26. REMOVE PORT FUEL INJECTOR ASSEMBLY 

    Refer to PROCEDURE - Step 15

  27. REMOVE FUEL DELIVERY PIPE 

    Refer to PROCEDURE - Step 9

  28. REMOVE DIRECT FUEL INJECTOR ASSEMBLY 

    Refer to PROCEDURE - Step 10

  29. REMOVE IGNITION COIL ASSEMBLY 

    Refer to PROCEDURE - Step 2

  30. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE 

    Refer to PROCEDURE - Step 32

  31. REMOVE OIL PRESSURE CONTROL VALVE ASSEMBLY 

    Refer to PROCEDURE - Step 2

  32. REMOVE CAMSHAFT POSITION SENSOR (for Intake Side) 

    Refer to PROCEDURE - Step 2

  33. REMOVE CAMSHAFT POSITION SENSOR (for Exhaust Side) 

    Refer to PROCEDURE - Step 3

  34. REMOVE CAM TIMING OIL CONTROL SOLENOID ASSEMBLY 

    Refer to PROCEDURE - Step 3

  35. REMOVE CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY 

    Refer to PROCEDURE - Step 5

  36. REMOVE CAM TIMING CONTROL MOTOR O-RING 

    Refer to PROCEDURE - Step 6

  37. DISCONNECT NO. 1 WATER BY-PASS HOSE 
    1. Slide the clip and disconnect the No. 1 water by-pass hose from the cylinder block sub-assembly.
      GTY863938Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  38. DISCONNECT NO. 2 WATER BY-PASS HOSE 
    1. Slide the clip and disconnect the No. 2 water by-pass hose from the water by-pass pipe sub-assembly.
      GTY863939Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  39. REMOVE CRANKSHAFT PULLEY ASSEMBLY 

    Refer to PROCEDURE - Step 22

  40. REMOVE WATER OUTLET 

    Refer to PROCEDURE - Step 23

  41. REMOVE WATER BY-PASS OUTLET 

    Refer to PROCEDURE - Step 24

  42. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 25

  43. REMOVE SPARK PLUG TUBE GASKET 

    Refer to PROCEDURE - Step 26

  44. REMOVE ENGINE MOUNTING BRACKET RH 

    Refer to PROCEDURE - Step 27

  45. REMOVE NO. 2 TIMING CHAIN COVER ASSEMBLY 

    Refer to PROCEDURE - Step 29

  46. REMOVE TIMING CHAIN COVER OIL SEAL 

    Refer to PROCEDURE - Step 30

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

    Refer to PROCEDURE - Step 31

  48. REMOVE OIL PUMP DRIVE CHAIN SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 32

  49. REMOVE CAMSHAFT TIMING GEAR ASSEMBLY 

    Refer to PROCEDURE - Step 33

  50. REMOVE CHAIN SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 34

  51. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY 

    Refer to PROCEDURE - Step 35

  52. REMOVE CHAIN TENSIONER SLIPPER 

    Refer to PROCEDURE - Step 36

  53. REMOVE NO. 1 CHAIN VIBRATION DAMPER 

    Refer to PROCEDURE - Step 37

  54. REMOVE CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY 

    Refer to PROCEDURE - Step 38

  55. REMOVE TIMING CHAIN COVER ASSEMBLY 

    Refer to PROCEDURE - Step 39

  56. REMOVE FUEL PUMP LIFTER GUIDE 

    Refer to PROCEDURE - Step 42

  57. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 43

  58. REMOVE CAMSHAFT BEARING CAP 

    Refer to PROCEDURE - Step 44

  59. REMOVE CAMSHAFT 

    Refer to PROCEDURE - Step 45

  60. REMOVE NO. 2 CAMSHAFT 

    Refer to PROCEDURE - Step 46

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

    Refer to PROCEDURE - Step 47

  62. REMOVE VALVE LASH ADJUSTER ASSEMBLY 

    Refer to PROCEDURE - Step 48

  63. REMOVE VALVE STEM CAP 

    Refer to PROCEDURE - Step 49

  64. REMOVE CYLINDER HEAD SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 51

  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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