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Installation [10/2017 - ]: Procedure

WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 2024 Lexus IS 350, 2024 Lexus IS 300, 2023 Lexus IS 350, 2023 Lexus IS 300, and 2022 Lexus IS 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSTALL TIMING CHAIN COVER SUB-ASSEMBLY 
    1. Remove any remaining seal packing material and be careful not to drop any oil on the contact surfaces of the timing chain cover sub-assembly, cylinder head LH, cylinder head sub-assembly and cylinder block sub-assembly.
      GTY780327Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Cylinder Head and Cylinder Block Side *b Timing Chain Cover Side
      Clean and Degrease - -
      NOTE:

      Be sure to clean and degrease the contact surfaces, especially the surfaces indicated area A in the illustration.

    2. Apply a light coat of engine oil to a new oil pump gasket.
    3. Install the oil pump gasket.
    4. Apply seal packing in a continuous line to the engine unit as shown in the illustration.
      GTY837751Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Seal Diameter
      Seal Packing

      Seal packing

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

      Seal diameter

      3.0 to 4.0 mm (0.118 to 0.157 in.)

      NOTE:

      Install the timing chain cover sub-assembly within 3 minutes and tighten the bolts within 10 minutes of applying seal packing.

    5. Apply seal packing to the timing chain cover sub-assembly as shown in the illustration.
      GTY824263Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Dashed Line Area
      (Seal packing: Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent)      		 *b Continuous Line Area
      (Seal packing: Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent)
      *c Alternate Long and Short Dashed Line Area
      (Seal packing: Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent)      		 *d Dashed Line Area
      (Seal packing: Toyota Genuine Seal Packing 1282B, Three Bond 1282B or equivalent)
      *e 9.0 mm (0.354 in.) *f 3.0 mm (0.118 in.)
      *g 6.0 mm (0.236 in.) or more - -

      Seal packing

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

      Toyota Genuine Seal Packing 1282B, Three Bond 1282B or equivalent

      NOTE:
      • When the contact surfaces are wet, wipe them with an oil-free cloth before applying seal packing.
      • Install the timing chain cover sub-assembly within 3 minutes and tighten the bolts within 10 minutes after applying seal packing.

      Application Specification

      Area Seal Packing Diameter Application Position from Inside Seal Line
      Dashed Line Area
      (Seal packing: Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent)      		 3.5 mm (0.138 in.) or more 3.0 to 4.0 mm (0.118 to 0.157 in.)
      Continuous Line Area
      (Seal packing: Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent)      		 6.0 mm (0.236 in.) or more 1.0 to 2.0 mm (0.0394 to 0.0787 in.)
      Alternate Long and Short Dashed Line Area
      (Seal packing: Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent)      		 4.5 mm (0.177 in.) or more 3.0 to 4.0 mm (0.118 to 0.157 in.)
      Dashed Line Area
      (Seal packing: Toyota Genuine Seal Packing 1282B, Three Bond 1282B or equivalent)      		 3.5 mm (0.138 in.) or more 2.0 to 3.0 mm (0.0787 to 0.118 in.)
    6. Align the oil pump drive rotor spline and crankshaft as shown in the illustration. Install the drive rotor and timing chain cover sub-assembly to the crankshaft.
      GTY821570Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Crankshaft
      *a Drive Rotor Spline
      *b 15°
    7. Type A:
      1. Temporarily install the timing chain cover assembly with the 2 nuts and 26 bolts.
        Fig 1: Timing Chain Cover Assembly Tightening Sequence Type A
        GTY964657Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Types of nut and bolt *b Tightening Order
        Bolt Nut

        Bolt Length

        Item Length
        Bolt A 28 mm (1.10 in.)
        Bolt B 55 mm (2.17 in.)
        Bolt C 60 mm (2.36 in.)
        Bolt D 40 mm (1.57 in.)
        NOTE:
        • Make sure that there is no oil on the bolt threads.
        • Do not start the engine for at least 2 hours after installation.
        • Wipe off any seal packing that seeped out around the surfaces of the oil pan sub-assembly and cylinder head cover sub-assembly and make sure that there is no seal packing seeping out around the edges.
      2. Tighten the 26 bolts and 2 nuts in several steps, in the sequence shown in the illustration.

        Bolts A, B and nut 

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

        Bolt C, D 

        Torque: 43 N.m (438 kgf/cm, 32 ft.lbf) 

    8. Type B:
      1. Temporarily install the timing chain cover assembly with the 28 bolts.
        Fig 2: Timing Chain Cover Assembly Tightening Sequence Type B
        GTY972120Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Types of bolt *b Tightening Order

        Bolt Length

        Item Length
        Bolt A 28 mm (1.10 in.)
        Bolt B 55 mm (2.17 in.)
        Bolt C 60 mm (2.36 in.)
        Bolt D 40 mm (1.57 in.)
        Bolt E 45 mm (1.77 in.)
        NOTE:
        • Make sure that there is no oil on the bolt threads.
        • Do not start the engine for at least 2 hours after installation.
        • Wipe off any seal packing that seeped out around the surfaces of the oil pan sub-assembly and cylinder head cover sub-assembly and make sure that there is no seal packing seeping out around the edges.
      2. Tighten the 28 bolts in several steps, in the sequence shown in the illustration.

        Bolts A, B, E 

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

        Bolt C, D 

        Torque: 43 N.m (438 kgf/cm, 32 ft.lbf) 

  2. INSTALL TIMING CHAIN CASE OIL SEAL 
    1. Using SST and a hammer, tap in a new timing chain case oil seal oil seal until its surface is flush with the timing chain cover edge.
      GTY790630Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • SST: 09223-22010 
      • SST: 09506-35010 

      Oil Seal Protrusion Height

      0 to 1.0 mm (0 to 0.0394 in.)

      NOTE:
      • Keep the lip free from foreign matter.
      • Do not tap on the oil seal at an angle.
      • Make sure that the oil seal edge does not protrude from the timing chain cover sub-assembly.
  3. INSTALL TIMING CHAIN COVER PLATE 

    Refer to PROCEDURE - Step 30

  4. INSTALL OIL STRAINER SUB-ASSEMBLY 
    1. for 2WD:
      1. Install a new gasket and the oil strainer sub-assembly with the 3 nuts.

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

    2. for AWD:
      1. Install a new gasket and the oil strainer sub-assembly with the bolt and 2 nuts.

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

  5. INSTALL OIL PAN SUB-ASSEMBLY 
    1. Remove any remaining seal packing material and be careful not to drop any oil on the contact surfaces of the cylinder block sub-assembly, rear oil seal retainer and oil pan sub-assembly.
    2. Install 2 new O-rings to the timing chain cover sub-assembly.
      GTY627312Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Apply seal packing in a continuous line as shown in the illustration.

      Seal packing

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

      Standard seal diameter

      3.0 to 4.0 mm (0.118 to 0.157 in.)

      NOTE:
      • Remove any oil from the contact surface.
      • Install the oil pan sub-assembly within 3 minutes after applying seal packing.
      • Do not add engine oil for at least 2 hours after installation.
      • Do not start the engine within 2 hours after installation.
      GTY805926Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A for 2WD
      *B for AWD
      *a Seal Packing
    4. for 2WD:
      1. Install the oil pan sub-assembly with the 16 bolts and 2 nuts.
        GTY815916Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Types of nut and bolt
        *b Tightening Order
        Bolt
        Nut

        for bolt A 

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

        for bolt B, C, D and Nut 

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

        Bolt Length

        Item Length
        Bolt A 16 mm (0.630 in.)
        Bolt B 25 mm (0.984 in.)
        Bolt C 45 mm (1.77 in.)
        Bolt D 70 mm (2.76 in.)
    5. for AWD:
      1. Install the oil pan sub-assembly with the 16 bolts and 2 nuts.

        for bolt A 

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

        for bolt B, C, D and Nut 

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

        Bolt Length

        Item Length
        Bolt A 16 mm (0.630 in.)
        Bolt B 25 mm (0.984 in.)
        Bolt C 45 mm (1.77 in.)
        Bolt D 70 mm (2.76 in.)
        GTY791014Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Types of nut and bolt
        *b Tightening Order
        Bolt
        Nut
    6. After tightening the oil pan bolts and nuts, wipe off the seal packing material that has seeped out from between the contact surfaces of the cylinder block sub-assembly and oil pan sub-assembly.
      GTY819499Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Wipe off the Seal Packing
  6. INSTALL OIL LEVEL SENSOR BRACKET 

    See step  1

  7. INSTALL ENGINE OIL LEVEL SENSOR 

    See step  2

  8. INSTALL OIL PIPE WITH STRAINER SUB-ASSEMBLY (for AWD) 
    1. Install a new gasket and the oil with strainer pipe with the 3 nuts.

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

  9. INSTALL NO. 2 OIL PAN SUB-ASSEMBLY 
    1. Apply seal packing in a continuous line as shown in the illustration.
      GTY775509Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A for 2WD
      *B for AWD
      *a Seal Packing

      Seal packing

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

      Standard seal diameter

      3.0 to 4.0 mm (0.118 to 0.157 in.)

      NOTE:
      • Remove any oil from the contact surface.
      • Install the No. 2 oil pan sub-assembly within 3 minutes after applying seal packing.
    2. for 2WD:
      1. Install the No. 2 oil pan sub-assembly with the 15 bolts and 2 nuts. Tighten the bolts and nuts uniformly in several steps.
        Fig 3: No. 2 Oil Pan Sub-Assembly Tightening Sequence For 2WD
        GTY800298Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        Bolt
        Nut

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

        NOTE:
        • Tighten the nuts first. After tightening the bolts, check that the nuts and bolts are tightened to the specified torque.
        • Do not start the engine for at least 2 hours after the installation.
    3. for AWD:
      1. Install the No. 2 oil pan sub-assembly with the 14 bolts and 2 nuts. Tighten the bolts and nuts uniformly in several steps.
        Fig 4: No. 2 Oil Pan Sub-Assembly Tightening Sequence For AWD
        GTY785395Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        Bolt
        Nut

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

        NOTE:
        • Tighten the nuts first. After tightening the bolts, check that the nuts and bolts are tightened to the specified torque.
        • Do not start the engine for at least 2 hours after the installation.
  10. INSTALL SPARK PLUG TUBE GASKET 

    Refer to PROCEDURE - Step 59

  11. INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY 
    1. Remove any remaining seal packing material and be careful not to drop any oil on the contact surfaces of the camshaft housing sub-assembly RH, timing chain cover sub-assembly and cylinder head cover sub-assembly.
    2. Apply seal packing as shown in the illustration.
      GTY815026Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Mark
      *b Seal Packing (Diameter 2.0 to 3.0 mm (0.0787 to 0.118 in.))
      *c Seal Packing (Diameter 5.0 to 7.0 mm (0.197 to 0.276 in.))
      Seal Packing

      Seal packing

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

      NOTE:
      • Remove any oil from the contact surface.
      • Install the cylinder head cover sub-assembly within 3 minutes and tighten the bolts within 15 minutes after applying seal packing.
    3. Install a new camshaft bearing cap oil hole gasket RH to the camshaft housing sub-assembly RH.
      GTY655054Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Install 2 new gaskets and a new cylinder head cover gasket.
    5. Temporarily install the VVT sensor (for intake side of bank 1) to the cylinder head cover sub-assembly.

      Refer to PROCEDURE - Step 4

    6. Temporarily install the VVT sensor (for exhaust side of bank 1) to the cylinder head cover sub-assembly.

      Refer to PROCEDURE - Step 5

    7. Temporarily install the cylinder head cover sub-assembly with the 15 bolts. Tighten the bolts uniformly in several steps.
      Fig 5: Cylinder Head Cover Sub-Assembly RH Tightening Sequence
      GTY657670Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt A
      Bolt B

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

      Bolt Length

      Item Length
      Bolt A 25 mm (0.984 in.)
      Bolt B 23.5 mm (0.925 in.)
      NOTE:

      Do not start the engine for at least 2 hours after installation.

  12. INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY LH 
    1. Remove any remaining seal packing material and be careful not to drop any oil on the contact surfaces of the camshaft housing sub-assembly LH, timing chain cover sub-assembly and cylinder head cover sub-assembly LH.
    2. Apply seal packing as shown in the illustration.
      GTY799068Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Mark
      *b Seal Packing (Diameter 2.0 to 3.0 mm (0.0787 to 0.118 in.))
      *c Seal Packing (Diameter 5.0 to 7.0 mm (0.197 to 0.276 in.))
      Seal Packing

      Seal packing

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

      NOTE:
      • Remove any oil from the contact surface.
      • Install the cylinder head cover sub-assembly LH within 3 minutes and tighten the bolts within 15 minutes after applying seal packing.
    3. Install a new camshaft bearing cap oil hole gasket to the camshaft housing sub-assembly LH.
      GTY655055Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Install 2 new gaskets and a new cylinder head cover gasket.
    5. Temporarily install the VVT sensor (for intake side of bank 2) to the cylinder head cover sub-assembly LH.

      Refer to PROCEDURE - Step 1

    6. Temporarily install the VVT sensor (for exhaust side of bank 2) to the cylinder head cover sub-assembly LH.

      Refer to PROCEDURE - Step 2

    7. Temporarily install the cylinder head cover sub-assembly LH with the 16 bolts. Tighten the bolts uniformly in several steps.
      Fig 6: Cylinder Head Cover Sub-Assembly LH Tightening Sequence
      GTY622982Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt A
      Bolt B

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

      Bolt Length

      Item Length
      Bolt A 25 mm (0.984 in.)
      Bolt B 23.5 mm (0.925 in.)
      NOTE:

      Do not start the engine for at least 2 hours after installation.

  13. INSTALL IGNITION COIL ASSEMBLY 

    Refer to PROCEDURE - Step 2

  14. INSTALL CRANKSHAFT PULLEY 
    1. Using SST, install the crankshaft pulley with the pulley set bolt.
      GTY829290Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hold
      Turn
      • SST: 09213-54015 
        1. 91651-60855
      • SST: 09330-00021 

      Torque: 260 N.m (2651 kgf/cm, 192 ft.lbf) 

  15. INSTALL OIL FILTER BRACKET SUB-ASSEMBLY 
    1. for 2WD:
      1. Install the oil filter bracket sub-assembly and a new gasket with the 2 nuts and 2 bolts.

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

    2. for AWD:
      1. Install the oil filter bracket sub-assembly and a new gasket with the 2 nuts and bolt.

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

      2. Install the No. 1 oil filter bracket to the cooler compressor with magnet clutch assembly with the nut and bolt.

        Torque: 25 N.m (255 kgf/cm, 18 ft.lbf) 

  16. INSTALL WIRE HARNESS CLAMP BRACKET 
    1. Install the wire harness clamp bracket to the timing chain cover sub-assembly with the nut.

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

    2. Install the wire harness clamp bracket to the timing chain cover sub-assembly with the bolt.

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

    3. Install the wire harness clamp bracket to the cylinder head cover sub-assembly LH with the nut.

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

    4. for 2WD:
      1. Install the wire harness clamp bracket to the oil filter bracket sub-assembly with the nut.

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

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

    Refer to PROCEDURE - Step 1

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

    Refer to PROCEDURE - Step 2

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

    Refer to PROCEDURE - Step 3

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

    Refer to PROCEDURE - Step 4

  21. INSTALL WATER OUTLET SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 69

  22. INSTALL WATER INLET WITH THERMOSTAT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 68

  23. INSTALL NO. 2 WATER BY-PASS HOSE ASSEMBLY 

    Refer to PROCEDURE - Step 23

  24. INSTALL NO. 3 WATER BY-PASS HOSE 

    Refer to PROCEDURE - Step 24

  25. INSTALL NO. 2 WATER BY-PASS HOSE 

    Refer to PROCEDURE - Step 25

  26. INSTALL NO. 6 WATER BY-PASS HOSE 

    Refer to PROCEDURE - Step 26

  27. INSTALL WATER PUMP PULLEY 

    Refer to PROCEDURE - Step 3

  28. INSTALL NO. 2 IDLER PULLEY SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 29

  29. INSTALL V-RIBBED BELT TENSIONER ASSEMBLY 

    Refer to PROCEDURE - Step 28

  30. INSTALL INTAKE MANIFOLD 

    Refer to PROCEDURE - Step 1

  31. INSTALL FUEL DELIVERY PIPE WITH SENSOR ASSEMBLY 

    Refer to PROCEDURE - Step 2

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

    Refer to PROCEDURE - Step 1

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

    Refer to PROCEDURE - Step 2

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

    Refer to PROCEDURE - Step 3

  35. CONNECT WIRE HARNESS 
    1. for Bank 2:
      1. Engage the claw and connect the No. 8 engine wire to the No. 7 engine wire.
      2. Engage the clamp.
      3. Engage the claw and connect the No. 7 engine wire to the cylinder head cover sub-assembly LH.
    2. for Bank 1:
      1. Engage the claw and connect the No. 5 engine wire to the No. 6 engine wire.
      2. Engage the claw and connect the No. 6 engine wire to the cylinder head cover sub-assembly.
  36. INSTALL NO. 1 FUEL PIPE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 4

  37. INSTALL NO. 1 FUEL TUBE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 4

  38. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY 
    1. for Bank 1:

      Install the No. 1 engine cover to the cylinder head cover sub-assembly with the 2 clips.

    2. for Bank 2:

      Install the No. 1 engine cover to the cylinder head cover sub-assembly LH with the clip.

  39. INSTALL NO. 2 FUEL TUBE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 6

  40. INSTALL INTAKE AIR SURGE TANK ASSEMBLY 

    Refer to PROCEDURE - Step 7

  41. INSTALL THROTTLE BODY WITH MOTOR ASSEMBLY 

    Refer to INSTALLATION [10/2017 - 09/2020] , or refer to INSTALLATION [09/2020 - ]

  42. INSTALL ENGINE WIRE 

    Refer to PROCEDURE - Step 27

  43. INSTALL ENGINE ASSEMBLY 

    Refer to INSTALLATION [10/2017 - 09/2020] , or refer to INSTALLATION [09/2020 - ]

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