LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2025 >> NX 350h >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical System - Service Information (2 Of 4) >> Cylinder Head Gasket >> Installation [03/2022 - ] >> Procedure

Installation [03/2022 - ]: Procedure

  1. INSTALL CYLINDER HEAD GASKET 
    1. GTY1075072Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Lot No. - -
      Front of Engine - -
      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.
        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 [03/2022 - 03/2024] , or refer to PROCEDURE - Step 19 [03/2024 - ]
  3. INSTALL NO. 2 CAMSHAFT 
    Refer to PROCEDURE - Step 23 [03/2022 - 03/2024] , or refer to PROCEDURE - Step 23 [03/2024 - ]
  4. INSTALL CAMSHAFT 
    Refer to PROCEDURE - Step 24 [03/2022 - 03/2024] , or refer to PROCEDURE - Step 24 [03/2024 - ]
  5. INSTALL CAMSHAFT BEARING CAP 
    Refer to PROCEDURE - Step 25 [03/2022 - 03/2024] , or refer to PROCEDURE - Step 25 [03/2024 - ]
  6. INSTALL VALVE STEM CAP 
    Refer to PROCEDURE - Step 26 [03/2022 - 03/2024] , or refer to PROCEDURE - Step 26 [03/2024 - ]
  7. INSTALL VALVE LASH ADJUSTER ASSEMBLY 
    Refer to PROCEDURE - Step 27 [03/2022 - 03/2024] , or refer to PROCEDURE - Step 27 [03/2024 - ]
  8. INSTALL NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 28 [03/2022 - 03/2024] , or refer to PROCEDURE - Step 28 [03/2024 - ]
  9. INSTALL CAMSHAFT HOUSING SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 29 [03/2022 - 03/2024] , or refer to PROCEDURE - Step 29 [03/2024 - ]
  10. INSTALL FUEL PUMP LIFTER GUIDE 
    Refer to PROCEDURE - Step 30 [03/2022 - 03/2024] , or refer to PROCEDURE - Step 30 [03/2024 - ]
  11. INSTALL TIMING CHAIN COVER ASSEMBLY 
    Refer to PROCEDURE - Step 33 [03/2022 - 03/2024] , or refer to PROCEDURE - Step 33 [03/2024 - ]
  12. INSTALL CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY 
    Refer to PROCEDURE - Step 34 [03/2022 - 03/2024] , or refer to PROCEDURE - Step 34 [03/2024 - ]
  13. SET NO. 1 CYLINDER TO TDC (COMPRESSION) 
    Refer to PROCEDURE - Step 35 [03/2022 - 03/2024] , or refer to PROCEDURE - Step 35 [03/2024 - ]
  14. INSTALL NO. 1 CHAIN VIBRATION DAMPER 

    Refer to PROCEDURE - Step 36 [03/2022 - 03/2024] , or refer to PROCEDURE - Step 36 [03/2024 - ]

  15. INSTALL CHAIN TENSIONER SLIPPER 

    Refer to PROCEDURE - Step 37 [03/2022 - 03/2024] , or refer to PROCEDURE - Step 37 [03/2024 - ]

  16. INSTALL NO. 1 CHAIN TENSIONER ASSEMBLY 
    Refer to PROCEDURE - Step 38 [03/2022 - 03/2024] , or refer to PROCEDURE - Step 38 [03/2024 - ]
  17. INSTALL CHAIN SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 39 [03/2022 - 03/2024] , or refer to PROCEDURE - Step 39 [03/2024 - ]
  18. INSTALL CAMSHAFT TIMING GEAR ASSEMBLY 
    Refer to PROCEDURE - Step 40 [03/2022 - 03/2024] , or refer to PROCEDURE - Step 40 [03/2024 - ]
  19. INSTALL OIL PUMP DRIVE CHAIN SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 41 [03/2022 - 03/2024] , or refer to PROCEDURE - Step 41 [03/2024 - ]
  20. SET NO. 1 CYLINDER TO TDC (COMPRESSION) 
    Refer to PROCEDURE - Step 37 [03/2022 - 03/2024] , or refer to PROCEDURE - Step 37 [03/2024 - ]
  21. INSTALL NO. 2 TIMING CHAIN COVER ASSEMBLY 
    Refer to PROCEDURE - Step 43 [03/2022 - 03/2024] , or refer to PROCEDURE - Step 43 [03/2024 - ]
  22. INSTALL TIMING CHAIN COVER OIL SEAL 
    See step  1
  23. INSTALL SPARK PLUG TUBE GASKET 
    Refer to PROCEDURE - Step 46 [03/2022 - 03/2024] , or refer to PROCEDURE - Step 46 [03/2024 - ]
  24. INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 47 [03/2022 - 03/2024] , or refer to PROCEDURE - Step 47 [03/2024 - ]
  25. INSTALL WATER OUTLET PIPE GASKET 
  26. INSTALL WATER BY-PASS OUTLET 
    Refer to PROCEDURE - Step 49 [03/2022 - 03/2024] , or refer to PROCEDURE - Step 49 [03/2024 - ]
  27. INSTALL WATER OUTLET GASKET 
  28. INSTALL WATER OUTLET 
    Refer to PROCEDURE - Step 51 [03/2022 - 03/2024] , or refer to PROCEDURE - Step 51 [03/2024 - ]
  29. INSTALL CRANKSHAFT PULLEY ASSEMBLY 
    Refer to PROCEDURE - Step 52 [03/2022 - 03/2024] , or refer to PROCEDURE - Step 52 [03/2024 - ]
  30. CONNECT NO. 2 WATER BY-PASS HOSE 
  31. CONNECT NO. 1 WATER BY-PASS HOSE 
  32. INSTALL CAM TIMING CONTROL MOTOR O-RING 
    Refer to PROCEDURE - Step 1
  33. INSTALL CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY 
    Refer to PROCEDURE - Step 2
  34. INSTALL CAM TIMING OIL CONTROL SOLENOID O-RING 
    Refer to PROCEDURE - Step 1
  35. INSTALL CAM TIMING OIL CONTROL SOLENOID ASSEMBLY 
    Refer to PROCEDURE - Step 2
  36. INSTALL OIL PRESSURE CONTROL VALVE ASSEMBLY 
    Refer to PROCEDURE - Step 1
  37. INSTALL ENGINE OIL LEVEL DIPSTICK GUIDE 
    Refer to PROCEDURE - Step 2
  38. INSTALL IGNITION COIL ASSEMBLY 
    Refer to PROCEDURE - Step 2
  39. INSTALL FUEL INJECTOR SEAL 
    Refer to PROCEDURE - Step 1
  40. INSTALL INJECTOR VIBRATION INSULATOR 
    Refer to PROCEDURE - Step 2
  41. INSTALL C-RING 
    Refer to PROCEDURE - Step 3
  42. INSTALL NO. 1 FUEL INJECTOR BACK-UP RING 
    Refer to PROCEDURE - Step 4
  43. INSTALL NO. 3 FUEL INJECTOR BACK-UP RING 
    Refer to PROCEDURE - Step 5
  44. INSTALL NOZZLE HOLDER CLAMP 
  45. INSTALL DIRECT FUEL INJECTOR ASSEMBLY 
    Refer to PROCEDURE - Step 7
  46. INSTALL FUEL DELIVERY PIPE 
    Refer to PROCEDURE - Step 8
  47. CONNECT WIRE HARNESS 
  48. INSTALL PORT FUEL INJECTOR ASSEMBLY 
    Refer to PROCEDURE - Step 1
  49. INSTALL NO. 5 ENGINE WIRE 
  50. INSTALL INJECTOR VIBRATION INSULATOR 
  51. INSTALL NO. 1 DELIVERY PIPE SPACER 
    Refer to PROCEDURE - Step 4
  52. INSTALL FUEL DELIVERY PIPE SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 5
  53. INSTALL NO. 7 WATER BY-PASS HOSE 
  54. INSTALL FUEL PUMP LIFTER ASSEMBLY 
    Refer to PROCEDURE - Step 1
  55. INSTALL FUEL PUMP SPACER GASKET 
  56. TEMPORARILY INSTALL FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY 
    Refer to PROCEDURE - Step 3
  57. TEMPORARILY INSTALL NO. 1 FUEL PIPE SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 4
  58. INSTALL FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY 
    Refer to PROCEDURE - Step 5
  59. INSTALL NO. 1 FUEL PIPE SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 6
  60. CONNECT FUEL TUBE SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 7
  61. INSTALL FUEL PIPE CLAMP 
  62. INSTALL NO. 1 INTAKE MANIFOLD TO HEAD GASKET 
  63. INSTALL INTAKE MANIFOLD 
    Refer to PROCEDURE - Step 4
  64. INSTALL NO. 2 WATER BY-PASS PIPE 
    Refer to PROCEDURE - Step 31
  65. INSTALL NO. 3 WATER BY-PASS PIPE 
    Refer to PROCEDURE - Step 32
  66. SET EGR VALVE ASSEMBLY 
    Refer to PROCEDURE - Step 1
  67. CONNECT NO. 8 WATER BY-PASS HOSE 
  68. CONNECT NO. 4 WATER BY-PASS HOSE 
  69. INSTALL NO. 1 EGR COOLER GASKET 
    Refer to PROCEDURE - Step 3
  70. INSTALL EGR VALVE GASKET 
    Refer to PROCEDURE - Step 4
  71. INSTALL EGR COOLER ASSEMBLY 
    Refer to PROCEDURE - Step 5
  72. CONNECT NO. 4 WATER BY-PASS HOSE 
  73. CONNECT NO. 3 WATER BY-PASS HOSE 
  74. INSTALL EGR VALVE ASSEMBLY 
    Refer to PROCEDURE - Step 9
  75. INSTALL EGR INLET GASKET 
  76. INSTALL EGR VALVE ADAPTER GASKET 
  77. INSTALL NO. 1 EGR PIPE SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 12
  78. INSTALL THROTTLE BODY GASKET 
    Refer to PROCEDURE - Step 1
  79. CONNECT NO. 6 WATER BY-PASS HOSE 
    Refer to PROCEDURE - Step 2
  80. INSTALL THROTTLE BODY WITH MOTOR ASSEMBLY 
    Refer to PROCEDURE - Step 3
  81. CONNECT NO. 5 WATER BY-PASS HOSE 
    Refer to PROCEDURE - Step 4
  82. INSTALL EXHAUST MANIFOLD TO HEAD GASKET 
  83. INSTALL EXHAUST MANIFOLD (TWC: Front Catalyst) 
    Refer to PROCEDURE - Step 3
  84. INSTALL MANIFOLD STAY 
    Refer to PROCEDURE - Step 6
  85. INSTALL NO. 1 EXHAUST MANIFOLD HEAT INSULATOR 

    Refer to PROCEDURE - Step 52

  86. INSTALL FLOW SHUTTING VALVE (WATER BY-PASS HOSE ASSEMBLY) 
    Refer to PROCEDURE - Step 53
  87. INSTALL NO. 2 WATER BY-PASS PIPE SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 54
  88. INSTALL COMPRESSOR WITH MOTOR ASSEMBLY 
    Refer to PROCEDURE - Step 55
  89. INSTALL ENGINE HANGERS 
    See step  45 [11/2021 - 03/2024], or see step  43 [03/2024 - ]
  90. REMOVE ENGINE ASSEMBLY FROM ENGINE STAND 
scientia non olet · About LEMON Manuals