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Removal [11/2021 - ]: Procedure

WARNING: This page is about a different car, the 2024 Lexus IS 500, 2023 Lexus IS 500, and 2022 Lexus IS 500. However, it is still accessible from the selected car via links, so may be relevant.
  1. PRECAUTION 
    NOTE:

    After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

    Refer to PRECAUTION [09/2020 - ]

  2. REMOVE V-BANK COVER SUB-ASSEMBLY 
    1. Hold the front of the V-bank cover sub-assembly and raise it to disengage the 2 front clips. Continue to raise the V-bank cover sub-assembly to disengage the 2 rear clips to remove the V-bank cover sub-assembly.
      GTY1084203Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Attempting to disengage both front and rear clips at the same time may cause the V-bank cover sub-assembly to break.

  3. REMOVE COOL AIR INTAKE DUCT SEAL 

    Refer to PROCEDURE - Step 1

  4. ALIGN FRONT WHEELS FACING STRAIGHT AHEAD 
  5. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM 

    Refer to PROCEDURE - Step 1

  6. DISCHARGE FUEL SYSTEM PRESSURE 

    Refer to PRECAUTION [11/2021 - 09/2022] , or refer to PRECAUTION [09/2022 - ]

  7. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    NOTE:

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

    Refer to INITIALIZATION [11/2021 - 09/2022] , or refer to INITIALIZATION [09/2022 - 10/2023] , or refer to INITIALIZATION [10/2023 - ]

  8. SECURE STEERING WHEEL 

    Refer to PROCEDURE - Step 4

  9. REMOVE FRONT WHEELS 

    Refer to PROCEDURE - Step 1

  10. REMOVE ENGINE UNDER COVER 
    1. Remove the 13 screws, 3 clips and engine under cover.
      GTY1084455Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE REAR ENGINE UNDER COVER LH 
    1. Remove the screw and rear engine under cover LH.
      GTY397380Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE REAR ENGINE UNDER COVER RH 

    HINT: 

    Perform the same procedure as for the LH side.

  13. REMOVE FRONT SUSPENSION MEMBER BRACE SUB-ASSEMBLY 
    1. Remove the 6 bolts, 4 nuts and front suspension member brace sub-assembly.
      GTY515784Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE FRONT LOWER SUSPENSION MEMBER PROTECTOR 
    1. Remove the 4 bolts and front lower suspension member protector.
      GTY515783Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE NO. 2 ENGINE UNDER COVER 
    1. Remove the 2 screws and No. 2 engine under cover.
      GTY498677Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. REMOVE ENGINE UNDER COVER AIR GUIDE BRACKET 

    Refer to PROCEDURE - Step 4

  17. DRAIN ENGINE OIL 

    Refer to PROCEDURE - Step 1

  18. DRAIN ENGINE COOLANT 

    Refer to PROCEDURE - Step 3

  19. DRAIN AUTOMATIC TRANSMISSION FLUID 

    Refer to PROCEDURE - Step 3

  20. REMOVE INLET NO. 1 AIR CLEANER 

    Refer to PROCEDURE - Step 5

  21. DISCONNECT VENTILATION HOSE 

    Refer to PROCEDURE - Step 5

  22. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE 

    Refer to PROCEDURE - Step 6

  23. REMOVE AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY 
    1. Remove the air cleaner filter element sub-assembly from the air cleaner case sub-assembly.
  24. REMOVE AIR CLEANER CASE SUB-ASSEMBLY 
    1. Disengage the 2 clamps and disconnect the vacuum hose assembly.
      GTY498693Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the clamp and disconnect the vacuum switching valve connector.
      GTY1084452Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the 2 bolts and air cleaner case sub-assembly.
  25. REMOVE RADIATOR RESERVE TANK ASSEMBLY 

    Refer to PROCEDURE - Step 11

  26. DISCONNECT NO. 1 RADIATOR HOSE 
    1. Slide the clip and disconnect the No. 1 radiator hose from the front water by-pass joint.
      GTY517758Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  27. DISCONNECT NO. 2 RADIATOR HOSE 
    GTY498694Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Slide the clip and disconnect the No. 2 radiator hose from the water inlet housing.
  28. DISCONNECT NO. 1 OIL COOLER INLET HOSE 
    1. Slide the clip and disconnect the No. 1 oil cooler inlet hose from the oil cooler tube.
      GTY498685Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  29. DISCONNECT NO. 1 OIL COOLER OUTLET HOSE 
    1. Slide the clip and disconnect the No. 1 oil cooler outlet hose from the oil cooler tube.
      GTY498687Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  30. DISCONNECT HEATER WATER OUTLET HOSE 
    1. Remove the water hose set.
      GTY515944Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Slide the clip and disconnect the heater water outlet hose from the water by-pass pipe sub-assembly.
      GTY515786Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  31. DISCONNECT HEATER WATER INLET HOSE 
    1. Remove the water hose set.
      GTY500781Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Slide the clip and disconnect the heater water inlet hose from the water by-pass pipe sub-assembly.
      GTY515785Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  32. DISCONNECT UNION TO CHECK VALVE HOSE 
    1. Disengage the clamp to disconnect the union to check valve hose.
      GTY520366Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Slide the clip and disconnect the union to check valve hose from the brake booster assembly.
  33. DISCONNECT NO. 1 FUEL VAPOR FEED HOSE 
    1. Slide the clip and disconnect the No. 1 fuel vapor feed hose from the purge valve (purge VSV).
      GTY521520Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  34. DISCONNECT NO. 2 FUEL TUBE SUB-ASSEMBLY 
    1. Remove the fuel pipe clamp.
      GTY515790Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Pinch the fuel tube connector and then pull off the No. 2 fuel tube sub-assembly.
      GTY515789Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Refer to PRECAUTION [11/2021 - 09/2022] , or refer to PRECAUTION [09/2022 - ]

  35. DISCONNECT FUEL TUBE SUB-ASSEMBLY 
    1. Remove the fuel pipe clamp.
      GTY515819Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Pinch the fuel tube connector and then pull off the fuel tube sub-assembly.
      GTY521528Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Refer to PRECAUTION [11/2021 - 09/2022] , or refer to PRECAUTION [09/2022 - ]

  36. DISCONNECT NO. 1 COOLER REFRIGERANT DISCHARGE HOSE 

    Refer to PROCEDURE - Step 7 [11/2021 - 09/2022] , or refer to PROCEDURE - Step 8 [09/2022 - ]

  37. DISCONNECT SUCTION HOSE 

    Refer to PROCEDURE - Step 10 [11/2021 - 09/2022] , or refer to PROCEDURE - Step 11 [09/2022 - ]

  38. REMOVE ENGINE ROOM ECU COVER 

    Refer to PROCEDURE - Step 2

  39. DISCONNECT WIRE HARNESS 

    HINT: 

    After disconnecting the wire harness, secure it with tape or equivalent to keep it out of the way.

    1. Engine room LH side:
      1. Disconnect the engine wire from the engine room ECU box.

        Refer to PROCEDURE - Step 3

      2. Disengage the engine wire clamp.
        GTY515709Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Engine room RH side:
      1. Disengage the 4 clamps and separate the No. 1 center cowl top ventilator louver from the cowl top ventilator louver sub-assembly.
        GTY518222Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Disengage the No. 2 engine wire clamp.
        GTY1084225Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      3. Remove the nut and disconnect the No. 2 engine wire from the positive (+) battery terminal.
      4. Remove the No. 1 engine room relay block cover from the No. 1 engine room relay block and No. 1 junction block assembly.
      5. Remove the nut from the No. 1 engine room relay block and No. 1 junction block assembly.
        GTY515818Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      6. Disengage the 2 engine wire clamps.
        GTY1084224Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      7. Disengage the 2 claws and disconnect the engine wire from the No. 1 engine room relay block and No. 1 junction block assembly.
      8. Remove the bolt and disconnect the engine wire from the vehicle body.
        GTY1084464Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disengage the clamp.
      GTY495709Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the bolt and disconnect the ground cable from the generator assembly.
  40. REMOVE PROPELLER WITH CENTER BEARING SHAFT ASSEMBLY 

    Refer to REMOVAL [11/2021 - ]

  41. DISCONNECT FRONT SHOCK ABSORBER ASSEMBLY LH 
    1. Remove the bolt and nut, and disconnect the front shock absorber assembly LH from the front suspension lower arm assembly LH.
      GTY467041Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      When removing the bolt, keep the nut from rotating.

  42. DISCONNECT FRONT SHOCK ABSORBER ASSEMBLY RH 

    HINT: 

    Perform the same procedure as for the LH side.

  43. SEPARATE FRONT LOWER BALL JOINT ASSEMBLY LH 

    Refer to PROCEDURE - Step 11

  44. SEPARATE FRONT LOWER BALL JOINT ASSEMBLY RH 

    HINT: 

    Perform the same procedure as for the LH side.

  45. REMOVE STEERING SLIDING WITH SHAFT YOKE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 16

  46. DISCONNECT FLOOR SHIFT GEAR SHIFTING ROD SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 4

  47. DISCONNECT WIRE HARNESS 
    1. Disconnect the 3 power steering link assembly connectors.

      HINT: 

      For the connector with lock lever, pull up the lock lever to disengage the lock.

      GTY504189Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the 2 wire harness clamps from the power steering link assembly.
  48. REMOVE SUSPENSION TOWER DAMPER 

    Refer to PROCEDURE - Step 2

  49. REMOVE ENGINE ASSEMBLY WITH TRANSMISSION 
    1. Remove the nut and disconnect the No. 2 earth wire from the vehicle body.
      GTY466924Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 6 bolts and No. 1 frame crossmember assembly and No. 2 frame crossmember assembly.
      GTY1084410Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Place height adjustment attachments and plate lift attachments in the positions shown in the illustration and set an engine lifter underneath the engine assembly with transmission.
      GTY503088Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Attachment Installation Position
      NOTE:
      • Using height adjustment attachments and plate lift attachments, place the engine assembly with transmission horizontally.
      • Securely support the engine assembly to prevent it from turning upside down until it is secured to an engine stand.
      • To prevent the oil pan sub-assembly from deforming, do not place any attachments under the oil pan sub-assembly of the engine assembly with transmission.
      • Do not perform any procedure 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.
    4. Remove the 4 bolts and separate the rear engine mounting member from the vehicle body.
      GTY520407Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Remove the 4 bolts and disconnect the front No. 2 stabilizer bracket LH and front No. 2 stabilizer bracket RH.
      GTY1084143Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Nut
    6. Remove the 6 bolts, 2 nuts, strut bar bracket reinforcement LH, strut bar bracket reinforcement RH and front suspension crossmember sub-assembly.
    7. Operate the engine lifter and remove the engine assembly with transmission from the vehicle.
      NOTE:

      Make sure that the engine assembly with transmission is clear of all wiring and hoses.

  50. INSTALL ENGINE HANGER 
    1. Install the 2 No. 1 engine hangers with the 2 bolts as shown in the illustration.
      GTY517105Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

      HINT: 

      No. 1 Engine Hanger 12081-38040
      Bolt 90119-14120
    2. Attach an engine sling device and hang the engine assembly with transmission with a chain block.
      GTY1082726Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Engine Hanger
      *a Engine Assembly with Transmission
      *b 50° or Less
      NOTE:

      When hanging the engine assembly with transmission, make sure to hang it with the chains at an angle of 50° or less. Otherwise, the engine assembly with transmission or engine hangers may be damaged.

  51. REMOVE ENGINE OIL LEVEL DIPSTICK 

    Refer to PROCEDURE - Step 7

  52. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE 

    Refer to PROCEDURE - Step 8

  53. REMOVE ENGINE UNDER COVER SUB-ASSEMBLY LH 
    1. Disengage the 2 clamps and remove the engine under cover sub-assembly LH from the front suspension crossmember sub-assembly.
      GTY498688Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  54. REMOVE ENGINE UNDER COVER SUB-ASSEMBLY RH 
    1. Disengage the 2 clamps and remove the engine under cover sub-assembly RH from the front suspension crossmember sub-assembly.
      GTY517756Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  55. REMOVE ENGINE MOUNTING DAMPER 
    1. Remove the 2 bolts and 2 engine mounting dampers.
      GTY507542Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  56. REMOVE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR 

    Refer to PROCEDURE - Step 9

  57. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY RH (TWC: Front Catalyst) 

    Refer to PROCEDURE - Step 10

  58. REMOVE EXHAUST MANIFOLD TO HEAD GASKET 

    Refer to PROCEDURE - Step 5

  59. REMOVE NO. 2 EXHAUST MANIFOLD HEAT INSULATOR 

    Refer to PROCEDURE - Step 3

  60. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY LH (TWC: Front Catalyst) 

    Refer to PROCEDURE - Step 4

  61. REMOVE EXHAUST MANIFOLD TO HEAD GASKET LH 

    Refer to PROCEDURE - Step 11

  62. REMOVE NO. 3 EXHAUST MANIFOLD HEAT INSULATOR 

    Refer to PROCEDURE - Step 4

  63. REMOVE V-RIBBED BELT 

    See step  7

  64. REMOVE OIL COOLER TUBE 
    1. Disengage the clamp.
      GTY121430Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 3 bolts and oil cooler tube.
  65. REMOVE COMPRESSOR ASSEMBLY WITH PULLEY 
    1. Remove the 2 bolts, 2 nuts and compressor assembly with pulley.
      GTY1084221Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Nut
  66. REMOVE GENERATOR ASSEMBLY 

    Refer to PROCEDURE - Step 8

  67. REMOVE STARTER ASSEMBLY 

    Refer to PROCEDURE - Step 5

  68. REMOVE FLYWHEEL HOUSING SIDE COVER 

    Refer to PROCEDURE - Step 6

  69. REMOVE DRIVE PLATE AND TORQUE CONVERTER CLUTCH SETTING BOLT 

    Refer to PROCEDURE - Step 8

  70. DISCONNECT WIRE HARNESS 

    Refer to PROCEDURE - Step 12

  71. REMOVE AUTOMATIC TRANSMISSION ASSEMBLY 

    Refer to PROCEDURE - Step 13

  72. REMOVE REAR ENGINE MOUNTING MEMBER 

    HINT: 

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

    1. Remove the 4 nuts and rear engine mounting member from the rear engine mounting insulator.
      GTY518955Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  73. REMOVE REAR ENGINE MOUNTING INSULATOR 

    HINT: 

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

    1. Remove the 4 nuts and rear engine mounting insulator from the automatic transmission assembly.
      GTY948030Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  74. REMOVE REAR ENGINE MOUNTING HEAT INSULATOR 
    1. Remove the rear engine mounting heat insulator from the rear engine mounting insulator.
      GTY948019Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  75. REMOVE NO. 1 ENGINE MOUNTING BRACKET 
    1. Remove the 4 bolts and No. 1 engine mounting bracket from the automatic transmission assembly.
      GTY515340Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  76. REMOVE DRIVE PLATE AND RING GEAR SUB-ASSEMBLY 

    See step  2

  77. REMOVE FRONT SUSPENSION CROSSMEMBER SUB-ASSEMBLY 
    1. Remove the 2 nuts and front suspension crossmember sub-assembly from the engine assembly.
      GTY498552Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  78. REMOVE FRONT ENGINE MOUNTING INSULATOR 

    HINT: 

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

    1. Remove the 2 engine mounting spacers.
      GTY505854Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 nuts and 2 front engine mounting insulators from the front suspension crossmember sub-assembly.
      GTY498686Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  79. INSTALL ENGINE TO ENGINE STAND 
    1. Install the engine assembly to an engine stand.
      NOTE:
      • Pay attention to the angle of the sling device as the engine assembly or No. 1 engine hangers may be damaged or deformed if the angle is incorrect.
      • Do not perform any procedure 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 2 bolts and 2 No. 1 engine hangers.
  80. INSPECT EXHAUST MANIFOLD SUB-ASSEMBLY LH (TWC: Front Catalyst) 
    1. Using a precision straightedge and feeler gauge.

      Check the surface which contacts the cylinder head LH for warpage.

      GTY105540Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Maximum Warpage

      0.50 mm (0.0197 in.)

      If the warpage is more than the maximum, replace the exhaust manifold sub-assembly LH (TWC: Front Catalyst).

  81. INSPECT EXHAUST MANIFOLD SUB-ASSEMBLY RH (TWC: Front Catalyst) 
    1. Using a precision straightedge and feeler gauge.

      Check the surface which contacts the cylinder head sub-assembly for warpage.

      GTY105539Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Maximum Warpage

      0.50 mm (0.0197 in.)

      If the warpage is more than the maximum, replace the exhaust manifold sub-assembly RH (TWC: Front Catalyst).

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