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Home >> Toyota >> 2022 >> Avalon XLE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 37 (Engine Mechanical (Service Information) [A25A-FXS] (1 Of 2)) >> Cylinder Head Gasket >> Installation [08/2021 - ] >> Procedure

Installation [08/2021 - ]: Procedure

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  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

  3. INSTALL NO. 2 CAMSHAFT 

    Refer to PROCEDURE - Step 22

  4. INSTALL CAMSHAFT 

    Refer to PROCEDURE - Step 23

  5. INSTALL CAMSHAFT BEARING CAP 

    Refer to PROCEDURE - Step 24

  6. INSTALL VALVE STEM CAP 

    Refer to PROCEDURE - Step 25

  7. INSTALL VALVE LASH ADJUSTER ASSEMBLY 

    Refer to PROCEDURE - Step 26

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

    Refer to PROCEDURE - Step 27

  9. INSTALL CAMSHAFT HOUSING SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 28

  10. INSTALL FUEL PUMP LIFTER GUIDE 

    Refer to PROCEDURE - Step 29

  11. INSTALL TIMING CHAIN COVER ASSEMBLY 

    Refer to PROCEDURE - Step 32

  12. INSTALL CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY 

    Refer to PROCEDURE - Step 33

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

    Refer to PROCEDURE - Step 34

  14. INSTALL NO. 1 CHAIN VIBRATION DAMPER 

    Refer to PROCEDURE - Step 35

  15. INSTALL CHAIN TENSIONER SLIPPER 

    Refer to PROCEDURE - Step 36

  16. INSTALL NO. 1 CHAIN TENSIONER ASSEMBLY 

    Refer to PROCEDURE - Step 37

  17. INSTALL CHAIN SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 38

  18. INSTALL CAMSHAFT TIMING GEAR ASSEMBLY 

    Refer to PROCEDURE - Step 39

  19. INSTALL OIL PUMP DRIVE CHAIN SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 40

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

    Refer to PROCEDURE - Step 28

  21. INSTALL NO. 2 TIMING CHAIN COVER ASSEMBLY 

    Refer to PROCEDURE - Step 42

  22. INSTALL TIMING CHAIN COVER OIL SEAL 

    See step  1

  23. INSTALL SPARK PLUG TUBE GASKET 

    Refer to PROCEDURE - Step 45

  24. INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 46

  25. INSTALL WATER BY-PASS OUTLET 

    Refer to PROCEDURE - Step 47

  26. INSTALL WATER OUTLET 

    Refer to PROCEDURE - Step 48

  27. INSTALL CRANKSHAFT PULLEY ASSEMBLY 

    Refer to PROCEDURE - Step 49

  28. INSTALL CAM TIMING CONTROL MOTOR O-RING 

    Refer to PROCEDURE - Step 1

  29. INSTALL CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY 

    Refer to PROCEDURE - Step 2

  30. INSTALL O-RING 

    Refer to PROCEDURE - Step 1

  31. INSTALL CAM TIMING OIL CONTROL SOLENOID ASSEMBLY 

    Refer to PROCEDURE - Step 2

  32. INSTALL OIL PRESSURE CONTROL VALVE ASSEMBLY 

    Refer to PROCEDURE - Step 1

  33. INSTALL ENGINE OIL LEVEL DIPSTICK GUIDE 

    Refer to PROCEDURE - Step 2

  34. INSTALL IGNITION COIL ASSEMBLY 

    Refer to PROCEDURE - Step 2

  35. INSTALL DIRECT FUEL INJECTOR ASSEMBLY 

    Refer to PROCEDURE - Step 2

  36. INSTALL FUEL DELIVERY PIPE 

    Refer to PROCEDURE - Step 3

  37. INSTALL PORT FUEL INJECTOR ASSEMBLY 

    Refer to PROCEDURE - Step 1

  38. INSTALL NO. 5 ENGINE WIRE 

    Refer to PROCEDURE - Step 2

  39. INSTALL INJECTOR VIBRATION INSULATOR 

    Refer to PROCEDURE - Step 3

  40. INSTALL NO. 1 DELIVERY PIPE SPACER 

    Refer to PROCEDURE - Step 4

  41. INSTALL FUEL DELIVERY PIPE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 5

  42. INSTALL NO. 7 WATER BY-PASS HOSE 

    Refer to PROCEDURE - Step 14

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

    Refer to PROCEDURE - Step 1

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

    Refer to PROCEDURE - Step 2

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

    Refer to PROCEDURE - Step 3

  46. INSTALL NO. 1 FUEL PIPE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 18

  47. CONNECT FUEL TUBE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 8

  48. INSTALL NO. 1 INTAKE MANIFOLD TO HEAD GASKET 

    Refer to PROCEDURE - Step 3

  49. INSTALL INTAKE MANIFOLD 

    Refer to PROCEDURE - Step 4

  50. INSTALL NO. 2 WATER BY-PASS PIPE 

    Refer to PROCEDURE - Step 22

  51. INSTALL NO. 3 WATER BY-PASS PIPE 

    Refer to PROCEDURE - Step 23

  52. SET EGR VALVE ASSEMBLY 

    Refer to PROCEDURE - Step 1

  53. INSTALL EGR COOLER ASSEMBLY 

    Refer to PROCEDURE - Step 1

  54. INSTALL EGR VALVE ASSEMBLY 

    Refer to PROCEDURE - Step 3

  55. INSTALL NO. 1 EGR PIPE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 4

  56. INSTALL THROTTLE BODY GASKET 

    Refer to PROCEDURE - Step 1

  57. INSTALL THROTTLE BODY WITH MOTOR ASSEMBLY 

    Refer to PROCEDURE - Step 2

  58. INSTALL EXHAUST MANIFOLD (TWC: Front Catalyst) 

    Refer to PROCEDURE - Step 2

  59. INSTALL MANIFOLD STAY 

    Refer to PROCEDURE - Step 3

  60. INSTALL NO. 1 EXHAUST MANIFOLD HEAT INSULATOR 

    Refer to PROCEDURE - Step 32

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

    Refer to PROCEDURE - Step 33

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

    Refer to PROCEDURE - Step 34

  63. INSTALL COMPRESSOR WITH MOTOR ASSEMBLY 

    Refer to PROCEDURE - Step 35

  64. INSTALL ENGINE HANGERS 

    See step  38

  65. REMOVE ENGINE ASSEMBLY FROM ENGINE STAND 

    Refer to INSTALLATION [04/2018 - ] 

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