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Home >> Lexus >> 2022 >> RX 350L FWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - Service Information (2 Of 3) >> Cylinder Head Gasket >> Installation [09/2015 - 12/2017] >> Procedure

Installation [09/2015 - 12/2017]: Procedure

  1. INSTALL NO. 2 CYLINDER HEAD GASKET 
    1. Place a new No. 2 cylinder head gasket on the cylinder block sub-assembly as shown in the illustration.
      GTY648610Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Lot No.
      Front of Engine
      NOTE:
      • Remove any oil from the contact surfaces.
      • Make sure to install the No. 2 cylinder head gasket in the correct direction.
    2. Apply seal packing to the No. 2 cylinder head gasket as shown in the illustration.

      Seal Packing

      Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent

      NOTE:
      • Remove any oil from the contact surfaces.
      • Install the No. 2 cylinder head gasket within 3 minutes and tighten the cylinder head set bolts within 15 minutes of applying seal packing.
      GTY632657Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 2 Cylinder Head Gasket
      *a 5.0 to 7.0 mm (0.197 to 0.276 in.)
      *b 3.0 to 5.0 mm (0.118 to 0.197 in.)
      *c 7.0 to 9.0 mm (0.276 to 0.354 in.)
      *d 39.3 mm (1.55 in.)
      *e 111.3 mm (4.38 in.)
      Front of Engine
      Seal Packing
  2. INSTALL CYLINDER HEAD LH 

    Refer to PROCEDURE - Step 3

  3. INSTALL CYLINDER HEAD GASKET 
    1. Place a new cylinder head gasket on the cylinder block sub-assembly as shown in the illustration.
      GTY618382Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Lot No.
      Front of Engine
      NOTE:
      • Remove any oil from the contact surfaces.
      • Make sure to install the cylinder head gasket in the correct direction.
    2. Apply seal packing to the cylinder head gasket as shown in the illustration.

      Seal Packing

      Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent

      NOTE:
      • Remove any oil from the contact surfaces.
      • Install the cylinder head gasket within 3 minutes and tighten the cylinder head set bolts within 15 minutes of applying seal packing.
      GTY672314Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Cylinder Head Gasket
      *a 5.0 to 7.0 mm (0.197 to 0.276 in.)
      *b 3.0 to 5.0 mm (0.118 to 0.197 in.)
      *c 7.0 to 9.0 mm (0.276 to 0.354 in.)
      *d 38.6 mm (1.52 in.)
      *e 142.7 mm (5.62 in.)
      Front of Engine
      Seal Packing
  4. INSTALL CYLINDER HEAD SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 5

  5. INSTALL WATER OUTLET 

    Refer to PROCEDURE - Step 61

  6. INSTALL VALVE STEM CAP 

    Refer to PROCEDURE - Step 9

  7. INSTALL VALVE LASH ADJUSTER ASSEMBLY 

    Refer to PROCEDURE - Step 10

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

    Refer to PROCEDURE - Step 11

  9. INSTALL NO. 1 CHAIN VIBRATION DAMPER 

    Refer to PROCEDURE - Step 39

  10. INSTALL NO. 2 CHAIN VIBRATION DAMPER 

    Refer to PROCEDURE - Step 38

  11. INSTALL SENSOR WIRE 

    Refer to PROCEDURE - Step 22

  12. INSTALL NO. 3 CAMSHAFT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 14

  13. INSTALL NO. 4 CAMSHAFT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 15

  14. INSTALL CAMSHAFT BEARING CAP (for Bank 2) 

    Refer to PROCEDURE - Step 16

  15. SET CAMSHAFT TIMING GEAR ASSEMBLY, CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY AND NO. 2 CHAIN SUB-ASSEMBLY (for Bank 2) 

    Refer to PROCEDURE - Step 18

  16. TEMPORARILY INSTALL CAMSHAFT TIMING GEAR BOLT (for Intake Side of Bank 2) 

    See step  8, or see step  8

  17. TEMPORARILY INSTALL CAMSHAFT TIMING GEAR BOLT (for Exhaust Side of Bank 2) 

    See step  9, or see step  9

  18. INSTALL CAMSHAFT HOUSING SUB-ASSEMBLY LH 

    Refer to PROCEDURE - Step 21

  19. TIGHTEN CAMSHAFT TIMING GEAR BOLT (for Intake Side of Bank 2) 

    Refer to PROCEDURE - Step 22

  20. TIGHTEN CAMSHAFT TIMING GEAR BOLT (for Exhaust Side of Bank 2) 

    Refer to PROCEDURE - Step 23

  21. INSTALL CAMSHAFT 

    Refer to PROCEDURE - Step 26

  22. INSTALL NO. 2 CAMSHAFT 

    Refer to PROCEDURE - Step 27

  23. INSTALL CAMSHAFT BEARING CAP (for Bank 1) 

    Refer to PROCEDURE - Step 28

  24. SET CAMSHAFT TIMING GEAR ASSEMBLY, CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY AND NO. 2 CHAIN SUB-ASSEMBLY (for Bank 2) 

    Refer to PROCEDURE - Step 30

  25. TEMPORARILY INSTALL CAMSHAFT TIMING GEAR BOLT (for Intake Side of Bank 1) 

    See step  21, or see step  21

  26. TEMPORARILY INSTALL CAMSHAFT TIMING GEAR BOLT (for Exhaust Side of Bank 1) 

    See step  22, or see step  22

  27. INSTALL CAMSHAFT HOUSING SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 33

  28. TIGHTEN CAMSHAFT TIMING GEAR BOLT (for Intake Side of Bank 1) 

    Refer to PROCEDURE - Step 34

  29. TIGHTEN CAMSHAFT TIMING GEAR BOLT (for Exhaust Side of Bank 1) 

    Refer to PROCEDURE - Step 35

  30. INSTALL NO. 3 CHAIN TENSIONER ASSEMBLY 

    Refer to PROCEDURE - Step 17

  31. INSTALL NO. 2 CHAIN TENSIONER ASSEMBLY 

    Refer to PROCEDURE - Step 29

  32. INSTALL CHAIN SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 41

  33. INSTALL CHAIN TENSIONER SLIPPER 

    Refer to PROCEDURE - Step 42

  34. INSTALL NO. 1 CHAIN TENSIONER ASSEMBLY 

    Refer to PROCEDURE - Step 43

  35. INSPECT VALVE TIMING 

    Refer to PROCEDURE - Step 44

  36. INSTALL TIMING CHAIN COVER ASSEMBLY 

    Refer to PROCEDURE - Step 1

  37. INSTALL TIMING CHAIN CASE OIL SEAL 

    Refer to PROCEDURE - Step 1

  38. INSTALL OIL PAN SUB-ASSEMBLY 
    1. Install 2 new oil pan gaskets to the timing chain cover assembly.
    2. Apply seal packing in a continuous line as shown in the illustration.
      GTY625011Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Seal Packing

      Seal Packing

      Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent

      Seal Packing Diameter

      3.0 to 4.0 mm (0.118 to 0.157 in.)

      NOTE:
      • Remove any oil from the contact surfaces.
      • Install the oil pan sub-assembly within 3 minutes of applying seal packing.
      • Do not start the engine for at least 2 hours after installation.
    3. Install the oil pan sub-assembly with the 16 bolts and 2 nuts in the order shown in the illustration.
      Fig 1: Engine Oil Pan Bolts And Nuts Tightening Sequence [09/2015 - 12/2017]
      GTY681938Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Torque *b Bolt and Nut Tightening Order
      Bolt Nut

      Bolt (A) 

      Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

      Bolt (B), (C), (D) 

      Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf) 

      Nut 

      Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf) 

      Bolt Length

      Item Length
      Bolt (A) 16 mm (0.630 in.)
      Bolt (B) 45 mm (1.77 in.)
      Bolt (C) 25 mm (0.984 in.)
      Bolt (D) 70 mm (2.76 in.)
    4. Wipe off any excess seal packing with a clean piece of cloth.
      NOTE:

      Do not allow seal packing to contact the No. 1 crankshaft position sensor plate.

      GTY622288Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Wipe off the Seal Packing
  39. INSTALL OIL STRAINER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 53

  40. INSTALL NO. 2 OIL PAN SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 54

  41. INSTALL OIL COOLER PIPE (w/ Oil Cooler) 

    Refer to PROCEDURE - Step 63

  42. INSTALL OIL COOLER ASSEMBLY (w/ Oil Cooler) 

    Refer to PROCEDURE - Step 1

  43. INSTALL SPARK PLUG TUBE GASKET 

    Refer to PROCEDURE - Step 58

  44. INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY LH 

    Refer to PROCEDURE - Step 59

  45. INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 60

  46. INSTALL SENSOR WIRE 

    Refer to PROCEDURE - Step 8

  47. INSTALL CRANKSHAFT POSITION SENSOR PROTECTOR 

    Refer to PROCEDURE - Step 2

  48. INSTALL CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side of Bank 2) 

    Refer to PROCEDURE - Step 1

  49. INSTALL CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side of Bank 2) 

    Refer to PROCEDURE - Step 18

  50. INSTALL CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side of Bank 1) 

    Refer to PROCEDURE - Step 1

  51. INSTALL CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side of Bank 1) 

    Refer to PROCEDURE - Step 2

  52. INSTALL WATER INLET WITH THERMOSTAT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 1

  53. CONNECT WATER BY-PASS HOSE 

    Refer to PROCEDURE - Step 2

  54. INSTALL FRONT NO. 1 ENGINE MOUNTING BRACKET LH 

    Refer to PROCEDURE - Step 75

  55. INSTALL CRANKSHAFT PULLEY 

    Refer to PROCEDURE - Step 2

  56. INSTALL RADIATOR PIPE CLAMP 

    Refer to PROCEDURE - Step 2

  57. INSTALL WIRE HARNESS CLAMP BRACKET 

    Refer to PROCEDURE - Step 3

  58. INSTALL NO. 5 CYLINDER BLOCK INSULATOR (w/ Oil Cooler) 

    Refer to PROCEDURE - Step 7

  59. INSTALL ENGINE OIL LEVEL DIPSTICK GUIDE 

    Refer to PROCEDURE - Step 8

  60. INSTALL WATER PUMP PULLEY 

    Refer to PROCEDURE - Step 2

  61. INSTALL V-RIBBED BELT TENSIONER ASSEMBLY 

    Refer to PROCEDURE - Step 10

  62. INSTALL NO. 2 IDLER PULLEY SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 3

  63. INSTALL COMPRESSOR AND MAGNETIC CLUTCH 

    Refer to PROCEDURE - Step 2

  64. INSTALL GENERATOR ASSEMBLY 

    Refer to PROCEDURE - Step 1

  65. INSTALL V-RIBBED BELT 

    See step  1

  66. INSTALL VACUUM PUMP ASSEMBLY 

    Refer to PROCEDURE - Step 1

  67. INSTALL IGNITION COIL ASSEMBLY 

    Refer to PROCEDURE - Step 2

  68. INSTALL KNOCK CONTROL SENSOR 

    Refer to INSTALLATION [09/2015 - ]

  69. INSTALL ENGINE HANGERS 

    Refer to PROCEDURE - Step 45 [09/2015 - 08/2016] , or refer to PROCEDURE - Step 45 [08/2016 - 12/2017]

  70. REMOVE ENGINE ASSEMBLY FROM ENGINE STAND 

    Refer to INSTALLATION [09/2015 - 08/2016] , or refer to INSTALLATION [08/2016 - 12/2017]

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