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Installation [06/2018 - 08/2021]: Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, 2021 Lexus ES 300h, and 2020 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSTALL ENGINE MOUNTING INSULATOR LH 

    HINT: 

    Perform this procedure only when replacement of the engine mounting insulator LH is necessary.

    1. Install the engine mounting insulator LH with the 2 bolts and nut.

      Torque: 72 N.m (734 kgf/cm, 53 ft.lbf) 

      NOTE:

      Temporarily tighten the bolt (A), and then fully tighten the 2 bolts and nut in the order of (B), (A) and (C).

      GTY757890Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL ENGINE MOUNTING SPACER 

    HINT: 

    Perform this procedure only when replacement of the engine mounting spacer is necessary.

    1. Install the engine mounting spacer to the vehicle body with the 2 bolts.

      Torque: 72 N.m (734 kgf/cm, 53 ft.lbf) 

      NOTE:

      Temporarily tighten the bolt (A), and then fully tighten the 2 bolts in the order of (B) and (A).

      GTY759194Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL ENGINE MOUNTING INSULATOR SUB-ASSEMBLY RH 

    HINT: 

    Perform this procedure only when replacement of the engine mounting insulator sub-assembly RH is necessary.

    1. Install the engine mounting insulator sub-assembly RH with the 2 bolts and nut.
      GTY805315Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 72 N.m (734 kgf/cm, 53 ft.lbf) 

      NOTE:

      Temporarily tighten the bolt (A), and then fully tighten the 2 bolts and nut in the order of (B), (A) and (C).

    2. Connect the cooler bracket to the engine mounting insulator sub-assembly RH with the bolt.

      Torque: 9.8 N.m (100 kgf/cm, 87 in.lbf) 

    3. Engage the clamp.
    4. Connect the No. 2 earth wire to the engine mounting insulator sub-assembly RH with the bolt.

      Torque: 9.5 N.m (97 kgf/cm, 84 in.lbf) 

    5. Install the radiator reserve tank assembly with the bolt and nut.

      Torque: 5.0 N.m (51 kgf/cm, 44 in.lbf) 

    6. Engage the No. 6 water by-pass hose.
  4. INSTALL ENGINE HANGERS 

    Refer to PROCEDURE - Step 39 [06/2018 - 08/2020] , or refer to PROCEDURE - Step 39 [08/2020 - 08/2021]

  5. REMOVE ENGINE ASSEMBLY FROM ENGINE STAND 
    1. Remove the engine assembly from the engine stand.
  6. INSTALL NO. 1 CRANKSHAFT POSITION SENSOR PLATE 

    Refer to PROCEDURE - Step 2

  7. INSTALL FLYWHEEL SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 3

  8. INSTALL TRANSMISSION INPUT DAMPER ASSEMBLY 

    Refer to PROCEDURE - Step 4

  9. INSTALL HYBRID VEHICLE TRANSAXLE ASSEMBLY 

    Refer to PROCEDURE - Step 10 [06/2018 - 08/2020] , or refer to PROCEDURE - Step 10 [08/2020 - 08/2021]

  10. INSTALL FLYWHEEL HOUSING SIDE COVER 

    Refer to PROCEDURE - Step 16 [06/2018 - 08/2020] , or refer to PROCEDURE - Step 16 [08/2020 - 08/2021]

  11. INSTALL STARTER HOLE INSULATOR 

    Refer to PROCEDURE - Step 17 [06/2018 - 08/2020] , or refer to PROCEDURE - Step 17 [08/2020 - 08/2021]

  12. INSTALL HV AIR CONDITIONING WIRE 
    1. Engage the guide to install the HV air conditioning wire to the hybrid vehicle transaxle assembly.
    2. Install the bolt.

      Torque: 20 N.m (204 kgf/cm, 15 ft.lbf) 

    3. Connect the connector and slide the green-colored lock as shown in the illustration to lock it securely.
      WARNING:

      Make sure to wear insulated gloves.

      NOTE:

      Make sure that the connector is connected securely.

      GTY744925Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Green-colored Lock
      Slide
    4. Engage the 2 clamps.
  13. INSTALL REAR ENGINE MOUNTING INSULATOR 

    HINT: 

    Perform this procedure only when replacement of the rear engine mounting insulator is necessary.

    1. Align the hole of the rear engine mounting insulator with the protrusion of the rear engine mounting bracket, slide the rear engine mounting insulator onto the rear engine mounting bracket to align the holes and install the rear engine mounting insulator with the bolt.

      Torque: 72 N.m (734 kgf/cm, 53 ft.lbf) 

      GTY742303Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Rear Engine Mounting Bracket
      *2 Rear Engine Mounting Insulator
      *a Protrusion
      *b Hole
  14. INSTALL FRONT ENGINE MOUNTING INSULATOR 

    HINT: 

    Perform this procedure only when replacement of the front engine mounting insulator is necessary.

    Refer to PROCEDURE - Step 14 [06/2018 - 08/2020] , or refer to PROCEDURE - Step 14 [08/2020 - 08/2021]

  15. INSTALL FRONT FRAME ASSEMBLY 

    Refer to PROCEDURE - Step 15 [06/2018 - 08/2020] , or refer to PROCEDURE - Step 15 [08/2020 - ]

  16. INSTALL ENGINE WIRE 
    1. Connect all connectors and clamps, and install the engine wire to the engine assembly with transaxle.
  17. INSTALL STEERING GEAR HEAT INSULATOR 

    Refer to PROCEDURE - Step 9 [06/2018 - 08/2020] , or refer to PROCEDURE - Step 9 [08/2020 - ]

  18. INSTALL FLYWHEEL HOUSING UNDER COVER 
    1. Install the flywheel housing under cover to the cylinder block sub-assembly.
  19. INSTALL ENGINE ASSEMBLY WITH TRANSAXLE 

    HINT: 

    Perform inspection after repair after replacing the engine assembly.

    Refer to INITIALIZATION [06/2018 - 07/2019] , or refer to INITIALIZATION [07/2019 - 08/2020] , or refer to INITIALIZATION [08/2020 - 08/2021]

    1. Set the engine assembly with transaxle on an engine lifter.
      NOTE:
      • Using height adjustment attachments and plate lift attachments, keep the engine assembly with transaxle level.
      • Do not perform any procedures while the engine assembly is suspended because doing so may cause the engine assembly to drop, resulting in injury. However, the engine assembly needs to be suspended when it is installed to or removed from an engine stand.
    2. Remove the 4 bolts, No. 1 engine hanger and No. 2 engine hanger from the cylinder head sub-assembly and engine mounting bracket RH.
    3. Install the fuel delivery guard to the engine mounting bracket RH with the bolt.

      Torque: 40 N.m (408 kgf/cm, 30 ft.lbf) 

    4. Operate the engine lifter and install the engine assembly with transaxle to the vehicle.
      WARNING:

      Do not raise the engine assembly with transaxle more than necessary. If the engine is raised excessively, the vehicle may also be lifted up.

      NOTE:
      • Make sure that the engine assembly with transaxle is clear of all wiring and hoses.
      • While raising the engine assembly with transaxle into the vehicle, do not allow it to contact the vehicle.
    5. w/o Suspension Tower Damper:
      1. Install the front bumper extension sub-assembly RH and front bumper extension sub-assembly LH to the front frame assembly and vehicle body with the 8 bolts.
        GTY760674Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        Bolt
        Nut

        Bolt (A) 

        Torque: 9.0 N.m (92 kgf/cm, 80 in.lbf) 

        Bolt (B) 

        Torque: 12.5 N.m (127 kgf/cm, 9 ft.lbf) 

        Bolt (C) 

        Torque: 135 N.m (1377 kgf/cm, 100 ft.lbf) 

      2. Install the front suspension member bracket sub-assembly RH and front suspension member bracket sub-assembly LH to the front frame assembly and vehicle body with the 4 bolts and 2 nuts.

        Bolt (D) 

        Torque: 17.5 N.m (178 kgf/cm, 13 ft.lbf) 

        Bolt (E) 

        Torque: 135 N.m (1377 kgf/cm, 100 ft.lbf) 

        Nut 

        Torque: 17.5 N.m (178 kgf/cm, 13 ft.lbf) 

    6. w/ Suspension Tower Damper:
      1. Install the front bumper extension sub-assembly RH and front bumper extension sub-assembly LH to the front frame assembly and vehicle body with the 6 bolts.
        GTY814829Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        Bolt
        Nut

        Bolt (A) 

        Torque: 9.0 N.m (92 kgf/cm, 80 in.lbf) 

        Bolt (B) 

        Torque: 12.5 N.m (127 kgf/cm, 9 ft.lbf) 

        Bolt (C) 

        Torque: 135 N.m (1377 kgf/cm, 100 ft.lbf) 

      2. Install the front suspension member bracket sub-assembly RH and front suspension member bracket sub-assembly LH to the front frame assembly and vehicle body with the 4 bolts and 2 nuts.

        Bolt (D) 

        Torque: 17.5 N.m (178 kgf/cm, 13 ft.lbf) 

        Bolt (E) 

        Torque: 135 N.m (1377 kgf/cm, 100 ft.lbf) 

        Nut 

        Torque: 17.5 N.m (178 kgf/cm, 13 ft.lbf) 

    7. Install the engine mounting insulator LH to the hybrid vehicle transaxle assembly with the 4 bolts.

      Torque: 42 N.m (428 kgf/cm, 31 ft.lbf) 

      NOTE:

      Fully tighten the 4 bolts in the order of (A), (C), (B) and (D).

      GTY764375Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. Install the engine mounting stay LH to the engine mounting insulator LH with the 3 bolts.

      Torque: 8.0 N.m (82 kgf/cm, 71 in.lbf) 

      NOTE:

      Temporarily tighten the bolt (A), and then fully tighten the 3 bolts in the order of (B), (C) and (A).

      GTY833549Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    9. Install the engine mounting insulator sub-assembly RH to the engine mounting bracket RH with the 3 bolts and nut.

      Bolt 

      Torque: 72 N.m (734 kgf/cm, 53 ft.lbf) 

      Nut 

      Torque: 42 N.m (428 kgf/cm, 31 ft.lbf) 

    10. Install the body mounting plate with the 6 bolts.

      Torque: 17.5 N.m (178 kgf/cm, 13 ft.lbf) 

  20. INSTALL SUSPENSION TOWER DAMPER (w/ Suspension Tower Damper) 

    Refer to PROCEDURE - Step 1 [06/2018 - 08/2020] , or refer to PROCEDURE - Step 1 [08/2020 - ]

  21. INSTALL FRONT DRIVE SHAFT ASSEMBLY 

    Refer to INSTALLATION [06/2018 - ]

  22. INSTALL FRONT EXHAUST PIPE ASSEMBLY (TWC: Rear Catalyst) 

    Refer to INSTALLATION [06/2018 - ]

  23. CONNECT STEERING INTERMEDIATE SHAFT ASSEMBLY 

    Refer to PROCEDURE - Step 13 [06/2018 - 08/2020] , or refer to PROCEDURE - Step 13 [08/2020 - ]

  24. CONNECT NO. 5 WATER BY-PASS HOSE 
    1. Connect the No. 5 water by-pass hose to the No. 3 water by-pass pipe and slide the clip to secure it.
  25. CONNECT WIRE HARNESS 
    1. Engage the earth wire with the 2 bolts.

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

    2. Engage the claw to connect the wire harness to the engine room relay block and junction block assembly.
    3. Connect the 5 connectors to the engine room relay block and junction block assembly.
    4. Install the nut to the engine room relay block and junction block assembly.

      Torque: 8.0 N.m (82 kgf/cm, 71 in.lbf) 

    5. Install the No. 2 relay block cover to the engine room relay block and junction block assembly.
  26. CONNECT NO. 5 INVERTER COOLING HOSE 
    1. Connect the No. 5 inverter cooling hose to the motor cooling cooler and slide the clip to secure it.
  27. CONNECT SUCTION HOSE 

    Refer to PROCEDURE - Step 4

  28. CONNECT NO. 1 COOLER REFRIGERANT DISCHARGE HOSE 

    Refer to PROCEDURE - Step 3

  29. CONNECT NO. 2 RADIATOR HOSE 
    1. Connect the No. 2 radiator hose to the water inlet and slide the clip to secure it.
  30. CONNECT NO. 1 RADIATOR HOSE 
    1. Connect the No. 1 radiator hose to the front engine mounting bracket with the bolt.

      Torque: 19 N.m (194 kgf/cm, 14 ft.lbf) 

    2. Connect the No. 1 radiator hose to the water outlet and slide the clip to secure it.
  31. INSTALL NO. 2 ENGINE COOLANT TEMPERATURE SENSOR 

    Refer to PROCEDURE - Step 3

  32. CONNECT FUEL TUBE SUB-ASSEMBLY 
    1. Connect the fuel tube sub-assembly.
      1. Connect the fuel tube sub-assembly to the fuel pipe.

        Refer to PRECAUTION [06/2018 - 08/2020] , or refer to PRECAUTION [08/2020 - ]

    2. Install the EFI fuel pipe clamp to the fuel tube connector.
  33. CONNECT INLET HEATER HOSE 
    1. Align the protrusions of the inlet heater hose connector with the cutouts in the flow shutting valve (water by-pass hose assembly) and push them together until the inlet heater hose connector makes a "click" sound.
      GTY767363Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Protrusion
      *b Cutout
    2. Push in the retainer.
      GTY759116Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Retainer
      Push
      Push in
    3. Check that the flow shutting valve (water by-pass hose assembly) and inlet heater hose connector are securely connected by pulling on them.
  34. CONNECT OUTLET HEATER HOSE 
    1. Align the protrusion of the No. 2 water by-pass pipe sub-assembly with the cutout in the outlet heater hose connector and push them together until the outlet heater hose makes a "click" sound.
      GTY765348Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Protrusion
      *b Cutout
    2. Push in the retainer.
      GTY761890Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Retainer
      Push
      Push in
    3. Check that the No. 2 water by-pass pipe sub-assembly and outlet heater hose connector are securely connected by pulling on them.
  35. CONNECT NO. 1 FUEL VAPOR FEED HOSE 
    1. Connect the No. 1 fuel vapor feed hose to the No. 1 vacuum switching valve assembly and slide the clip to secure it.
  36. INSTALL INVERTER RESERVE TANK ASSEMBLY 
    1. Connect the No. 2 inverter cooling hose to the inverter reserve tank assembly and slide the clip to secure it.
      GTY762037Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 5 Inverter Cooling Hose
      *2 No. 2 Inverter Cooling Hose
      *a Pin
      *b Grommet
    2. Connect the No. 5 inverter cooling hose to the inverter reserve tank assembly and slide the clip to secure it.
    3. Fit the pin of the inverter reserve tank assembly into grommet as shown in the illustration.
    4. Install the inverter reserve tank assembly with the bolt.

      Torque: 5.0 N.m (51 kgf/cm, 44 in.lbf) 

  37. INSTALL INVERTER WITH CONVERTER ASSEMBLY 

    Refer to INSTALLATION [06/2018 - ]

  38. INSTALL FRONT LOWER BUMPER ABSORBER 
    1. Engage the 2 claws to install the front lower bumper absorber.
    2. Install the 4 bolts.

      Torque: 7.5 N.m (76 kgf/cm, 66 in.lbf) 

  39. INSTALL HEADLIGHT ASSEMBLY 
  40. INSTALL FRONT FENDER APRON SEAL LH 
    1. Install the front fender apron seal LH with the 2 screws and clip.

      Torque: 7.5 N.m (76 kgf/cm, 66 in.lbf) 

  41. INSTALL FRONT FENDER APRON SEAL RH 
    1. Install the front fender apron seal RH with the 2 screws and clip.

      Torque: 7.5 N.m (76 kgf/cm, 66 in.lbf) 

  42. INSTALL NO. 2 ENGINE UNDER COVER ASSEMBLY 
    1. Install the No. 2 engine under cover assembly with the 4 screws and 6 clips.

      Torque: 7.5 N.m (76 kgf/cm, 66 in.lbf) 

  43. INSTALL NO. 1 ENGINE UNDER COVER 
    1. Install the No. 1 engine under cover with the bolt, 6 screws and 2 clips.

      Bolt 

      Torque: 7.5 N.m (76 kgf/cm, 66 in.lbf) 

  44. INSTALL FRONT WHEEL OPENING EXTENSION PAD LH 
    1. Install the front wheel opening extension pad LH with the 3 screws.
  45. INSTALL FRONT WHEEL OPENING EXTENSION PAD RH 
    1. Install the front wheel opening extension pad RH with the 3 screws.
  46. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY 
    1. Engage the 4 clips to install the No. 1 engine cover sub-assembly.
      GTY833642Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Make sure that the clips are engaged securely.
      • If the clips are forcibly engaged or struck with an object, they may be damaged.
  47. ADD ENGINE OIL 

    Refer to PROCEDURE - Step 5

  48. ADD HYBRID TRANSAXLE FLUID 

    Refer to PROCEDURE - Step 6

  49. ADD ENGINE COOLANT (for Engine) 

    Refer to PROCEDURE - Step 2

  50. CHARGE AIR CONDITIONING SYSTEM WITH REFRIGERANT 

    Refer to PROCEDURE - Step 2

  51. WARM UP COMPRESSOR 

    Refer to PROCEDURE - Step 8

  52. INSPECT SHIFT LEVER POSITION 

    Refer to PROCEDURE - Step 2

  53. ADJUST SHIFT LEVER POSITION 

    Refer to ADJUSTMENT [06/2018 - 01/2020] , or refer to ADJUSTMENT [01/2020 - ]

  54. INSPECT FOR ENGINE OIL LEAK 

    Refer to PROCEDURE - Step 6

  55. INSPECT FOR COOLANT LEAK (for Engine) 

    Refer to PROCEDURE - Step 3

  56. INSPECT FOR REFRIGERANT LEAK 

    Refer to PROCEDURE - Step 5

  57. INSPECT FOR FUEL LEAK 

    Refer to ON-VEHICLE INSPECTION [06/2018 - ]

  58. INSPECT FOR EXHAUST GAS LEAK 

    Refer to PROCEDURE - Step 9

  59. CHECK ENGINE OIL LEVEL 

    Refer to PROCEDURE - Step 1

  60. INSPECT HYBRID TRANSAXLE FLUID 

    Refer to PROCEDURE - Step 5

  61. INSPECT ENGINE COOLANT LEVEL IN RESERVOIR TANK 

    Refer to PROCEDURE - Step 2

  62. INSTALL FRONT WHEELS 

    Refer to INSTALLATION [06/2018 - ]

  63. ALIGN FRONT WHEELS FACING STRAIGHT AHEAD 
  64. INSPECT AND ADJUST FRONT WHEEL ALIGNMENT 

    Refer to ADJUSTMENT [06/2018 - 08/2020] , or refer to ADJUSTMENT [08/2020 - 08/2021]

  65. PERFORM INITIALIZATION 

    Refer to PROCEDURE - Step 9

  66. INSPECT IGNITION TIMING 

    Refer to PROCEDURE - Step 7 [06/2018 - 07/2019] , or refer to PROCEDURE - Step 7 [07/2019 - ]

  67. INSPECT ENGINE IDLE SPEED 

    Refer to PROCEDURE - Step 8 [06/2018 - 07/2019] , or refer to PROCEDURE - Step 8 [07/2019 - ]

  68. INSPECT CO/HC 

    Refer to PROCEDURE - Step 10 [06/2018 - 07/2019] , or refer to PROCEDURE - Step 10 [07/2019 - ]

  69. CHECK SPEED SENSOR SIGNAL 

    Refer to TEST MODE PROCEDURE [06/2018 - ]

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