DSD Information System
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 >> Installation [10/2021 - ] >> Procedure

Installation [10/2021 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. INSTALL CYLINDER HEAD GASKET 
    1. Clean the cylinder block sub-assembly and cylinder head sub-assembly with solvent.
    2. Place a new cylinder head gasket on the cylinder block sub-assembly as shown in the illustration.
      GTY767586Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Lot No.
      Front of Engine
      NOTE:
      • Make sure that the cylinder head gasket is installed in the correct orientation.
      • Remove any oil from the contact surfaces.
  2. INSTALL CYLINDER HEAD SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 19 [10/2021 - 11/2023] , or refer to PROCEDURE - Step 19 [11/2023 - ]

  3. INSTALL NO. 2 CAMSHAFT 

    Refer to PROCEDURE - Step 21 [10/2021 - 11/2023] , or refer to PROCEDURE - Step 21 [11/2023 - ]

  4. INSTALL CAMSHAFT 

    Refer to PROCEDURE - Step 22 [10/2021 - 11/2023] , or refer to PROCEDURE - Step 22 [11/2023 - ]

  5. INSTALL CAMSHAFT BEARING CAP 

    Refer to PROCEDURE - Step 23 [10/2021 - 11/2023] , or refer to PROCEDURE - Step 23 [11/2023 - ]

  6. INSTALL VALVE STEM CAP 

    Refer to PROCEDURE - Step 24 [10/2021 - 11/2023] , or refer to PROCEDURE - Step 24 [11/2023 - ]

  7. INSTALL VALVE LASH ADJUSTER ASSEMBLY 

    Refer to PROCEDURE - Step 25 [10/2021 - 11/2023] , or refer to PROCEDURE - Step 25 [11/2023 - ]

  8. INSTALL NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 26 [10/2021 - 11/2023] , or refer to PROCEDURE - Step 26 [11/2023 - ]

  9. INSTALL CAMSHAFT HOUSING SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 27 [10/2021 - 11/2023] , or refer to PROCEDURE - Step 27 [11/2023 - ]

  10. INSTALL FUEL PUMP LIFTER GUIDE 

    Refer to PROCEDURE - Step 28 [10/2021 - 11/2023] , or refer to PROCEDURE - Step 28 [11/2023 - ]

  11. INSTALL TIMING CHAIN COVER ASSEMBLY 

    Refer to PROCEDURE - Step 31 [10/2021 - 11/2023] , or refer to PROCEDURE - Step 31 [11/2023 - ]

  12. INSTALL CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY 

    Refer to PROCEDURE - Step 32 [10/2021 - 11/2023] , or refer to PROCEDURE - Step 32 [11/2023 - ]

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

    Refer to PROCEDURE - Step 33 [10/2021 - 11/2023] , or refer to PROCEDURE - Step 33 [11/2023 - ]

  14. INSTALL NO. 1 CHAIN VIBRATION DAMPER 

    Refer to PROCEDURE - Step 34 [10/2021 - 11/2023] , or refer to PROCEDURE - Step 34 [11/2023 - ]

  15. INSTALL CHAIN TENSIONER SLIPPER 

    Refer to PROCEDURE - Step 35 [10/2021 - 11/2023] , or refer to PROCEDURE - Step 35 [11/2023 - ]

  16. INSTALL NO. 1 CHAIN TENSIONER ASSEMBLY 

    Refer to PROCEDURE - Step 36 [10/2021 - 11/2023] , or refer to PROCEDURE - Step 36 [11/2023 - ]

  17. INSTALL CHAIN SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 37 [10/2021 - 11/2023] , or refer to PROCEDURE - Step 37 [11/2023 - ]

  18. INSTALL CAMSHAFT TIMING GEAR ASSEMBLY 

    Refer to PROCEDURE - Step 38 [10/2021 - 11/2023] , or refer to PROCEDURE - Step 38 [11/2023 - ]

  19. INSTALL OIL PUMP DRIVE CHAIN SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 39 [10/2021 - 11/2023] , or refer to PROCEDURE - Step 39 [11/2023 - ]

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

    Refer to PROCEDURE - Step 31 [12/2019 - 11/2023] , or refer to PROCEDURE - Step 31 [11/2023 - ]

  21. INSTALL NO. 2 TIMING CHAIN COVER ASSEMBLY 

    Refer to PROCEDURE - Step 41 [10/2021 - 11/2023] , or refer to PROCEDURE - Step 41 [11/2023 - ]

  22. INSTALL TIMING CHAIN COVER OIL SEAL 

    See step  1

  23. INSTALL SPARK PLUG TUBE GASKET 

    Refer to PROCEDURE - Step 44 [10/2021 - 11/2023] , or refer to PROCEDURE - Step 44 [11/2023 - ]

  24. INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 45 [10/2021 - 11/2023] , or refer to PROCEDURE - Step 45 [11/2023 - ]

  25. INSTALL WATER BY-PASS OUTLET 

    Refer to PROCEDURE - Step 46 [10/2021 - 11/2023] , or refer to PROCEDURE - Step 46 [11/2023 - ]

  26. INSTALL WATER OUTLET 

    Refer to PROCEDURE - Step 47 [10/2021 - 11/2023] , or refer to PROCEDURE - Step 47 [11/2023 - ]

  27. INSTALL CRANKSHAFT PULLEY ASSEMBLY 

    Refer to PROCEDURE - Step 48 [10/2021 - 11/2023] , or refer to PROCEDURE - Step 48 [11/2023 - ]

  28. CONNECT NO. 2 WATER BY-PASS HOSE 
    1. Connect the No. 2 water by-pass hose to the water by-pass pipe sub-assembly and slide the clip to secure it.
  29. CONNECT NO. 1 WATER BY-PASS HOSE 
    1. Connect the No. 1 water by-pass hose to the cylinder block sub-assembly and slide the clip to secure it.
  30. INSTALL CAM TIMING CONTROL MOTOR O-RING 

    Refer to PROCEDURE - Step 1 [12/2019 - 11/2023] , or refer to PROCEDURE - Step 1 [11/2023 - ]

  31. INSTALL CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY 

    Refer to PROCEDURE - Step 2 [12/2019 - 11/2023] , or refer to PROCEDURE - Step 2 [11/2023 - ]

  32. INSTALL CAM TIMING OIL CONTROL SOLENOID ASSEMBLY 

    Refer to PROCEDURE - Step 2

  33. INSTALL OIL PRESSURE CONTROL VALVE ASSEMBLY 

    Refer to PROCEDURE - Step 1

  34. INSTALL ENGINE OIL LEVEL DIPSTICK GUIDE 

    Refer to PROCEDURE - Step 2 [10/2021 - 10/2022] , or refer to PROCEDURE - Step 2 [10/2022 - ]

  35. INSTALL IGNITION COIL ASSEMBLY 

    Refer to PROCEDURE - Step 2

  36. INSTALL DIRECT FUEL INJECTOR ASSEMBLY 

    Refer to PROCEDURE - Step 2 [12/2019 - 11/2023] , or refer to PROCEDURE - Step 2 [11/2023 - ]

  37. INSTALL FUEL DELIVERY PIPE 

    Refer to PROCEDURE - Step 3 [12/2019 - 11/2023] , or refer to PROCEDURE - Step 3 [11/2023 - ]

  38. INSTALL PORT FUEL INJECTOR ASSEMBLY 

    Refer to PROCEDURE - Step 1 [12/2019 - 11/2023] , or refer to PROCEDURE - Step 1 [11/2023 - ]

  39. INSTALL NO. 5 ENGINE WIRE 

    Refer to PROCEDURE - Step 2 [12/2019 - 11/2023] , or refer to PROCEDURE - Step 2 [11/2023 - ]

  40. INSTALL INJECTOR VIBRATION INSULATOR 

    Refer to PROCEDURE - Step 3 [12/2019 - 11/2023] , or refer to PROCEDURE - Step 3 [11/2023 - ]

  41. INSTALL NO. 1 DELIVERY PIPE SPACER 

    Refer to PROCEDURE - Step 4 [12/2019 - 11/2023] , or refer to PROCEDURE - Step 4 [11/2023 - ]

  42. INSTALL FUEL DELIVERY PIPE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 5 [12/2019 - 11/2023] , or refer to PROCEDURE - Step 5 [11/2023 - ]

  43. INSTALL NO. 7 WATER BY-PASS HOSE 

    Refer to PROCEDURE - Step 14 [10/2021 - 10/2022] , or refer to PROCEDURE - Step 14 [10/2022 - ]

  44. TEMPORARILY INSTALL FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY (for High Pressure) 

    Refer to PROCEDURE - Step 1 [12/2019 - 11/2023] , or refer to PROCEDURE - Step 1 [11/2023 - ]

  45. TEMPORARILY INSTALL NO. 1 FUEL PIPE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 2 [12/2019 - 11/2023] , or refer to PROCEDURE - Step 2 [11/2023 - ]

  46. INSTALL FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY (for High Pressure) 

    Refer to PROCEDURE - Step 3 [12/2019 - 11/2023] , or refer to PROCEDURE - Step 3 [11/2023 - ]

  47. INSTALL NO. 1 FUEL PIPE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 18 [10/2021 - 10/2022] , or refer to PROCEDURE - Step 18 [10/2022 - ]

  48. CONNECT FUEL TUBE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 10 [12/2019 - 11/2023] , or refer to PROCEDURE - Step 10 [11/2023 - ]

  49. INSTALL NO. 1 INTAKE MANIFOLD TO HEAD GASKET 

    Refer to PROCEDURE - Step 3

  50. INSTALL INTAKE MANIFOLD 

    Refer to PROCEDURE - Step 4

  51. INSTALL NO. 2 WATER BY-PASS PIPE 

    Refer to PROCEDURE - Step 22 [10/2021 - 10/2022] , or refer to PROCEDURE - Step 22 [10/2022 - ]

  52. INSTALL NO. 3 WATER BY-PASS PIPE 

    Refer to PROCEDURE - Step 23 [10/2021 - 10/2022] , or refer to PROCEDURE - Step 23 [10/2022 - ]

  53. SET EGR VALVE ASSEMBLY 

    Refer to PROCEDURE - Step 1

  54. INSTALL EGR COOLER ASSEMBLY 

    Refer to PROCEDURE - Step 1

  55. INSTALL EGR VALVE ASSEMBLY 

    Refer to PROCEDURE - Step 3

  56. INSTALL NO. 1 EGR PIPE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 4

  57. INSTALL THROTTLE BODY GASKET 

    Refer to PROCEDURE - Step 1

  58. INSTALL THROTTLE BODY WITH MOTOR ASSEMBLY 

    Refer to PROCEDURE - Step 2

  59. INSTALL EXHAUST MANIFOLD (TWC: Front Catalyst) 

    Refer to PROCEDURE - Step 2 [12/2019 - 10/2022] , or refer to PROCEDURE - Step 2 [10/2022 - ]

  60. INSTALL MANIFOLD STAY 

    Refer to PROCEDURE - Step 3 [12/2019 - 10/2022] , or refer to PROCEDURE - Step 3 [10/2022 - ]

  61. INSTALL NO. 1 EXHAUST MANIFOLD HEAT INSULATOR 

    Refer to PROCEDURE - Step 32 [10/2021 - 10/2022] , or refer to PROCEDURE - Step 32 [10/2022 - ]

  62. INSTALL FLOW SHUTTING VALVE (WATER BY-PASS HOSE ASSEMBLY) 

    Refer to PROCEDURE - Step 33 [10/2021 - 10/2022] , or refer to PROCEDURE - Step 33 [10/2022 - ]

  63. INSTALL NO. 2 WATER BY-PASS PIPE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 34 [10/2021 - 10/2022] , or refer to PROCEDURE - Step 34 [10/2022 - ]

  64. INSTALL COMPRESSOR WITH MOTOR ASSEMBLY 

    Refer to PROCEDURE - Step 35 [10/2021 - 10/2022] , or refer to PROCEDURE - Step 35 [10/2022 - ]

  65. INSTALL ENGINE HANGERS 

    See step  41, or refer to PROCEDURE - Step 41 [10/2022 - 11/2023] , or refer to PROCEDURE - Step 40 [11/2023 - ]

  66. REMOVE ENGINE ASSEMBLY FROM ENGINE STAND 

    Refer to INSTALLATION [12/2019 - 10/2022] , or refer to INSTALLATION [10/2022 - 11/2023] , or refer to INSTALLATION [11/2023 - ]

Diesel-Data.com