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Home >> Lexus >> 2017 >> IS 300 F Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 192 (Engine Intake / Exhaust System (2UR-GSE) - Service Information) >> Intake Manifold >> Removal [11/2021 - ] >> Procedure

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. 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 - ]

  3. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY 

    Refer to REMOVAL [11/2021 - ]

  4. REMOVE PURGE VALVE (PURGE VSV) 

    Refer to PROCEDURE - Step 2

  5. REMOVE INJECTOR DRIVER 

    Refer to PROCEDURE - Step 1

  6. DISCONNECT UNION TO CHECK VALVE HOSE 
    1. Disengage the union to check valve clamp.
      GTY1084419Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Slide the clip and disconnect the union to check valve hose from the intake air surge tank assembly.
      GTY518044Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE ENGINE ROOM ECU COVER 

    Refer to PROCEDURE - Step 2

  8. REMOVE ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 10

  9. DISENGAGE ENGINE WIRE 
    1. Remove the 2 bolts and 4 nuts.
      GTY1084384Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt Nut
      Connector Fuel Tube Sub-assembly
    2. Disengage the 4 clamps.
    3. Disconnect the 12 connectors.
    4. Disengage the fuel tube sub-assembly from the engine wire.
    5. Remove the 2 bolts.
      GTY510380Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Connector
    6. Disengage the 2 clamps.
    7. Disconnect the 4 connectors.
    8. Remove the 2 bolts.
      GTY1084202Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Connector
    9. Disengage the 7 clamps.
    10. Disconnect the 7 connectors.
    11. Disconnect the engine wire harness connector.
      GTY1084283Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    12. Disengage the wire harness from the engine room ECU box.

      Refer to PROCEDURE - Step 3

  10. DISCONNECT NO. 5 ENGINE WIRE 
    1. Disengage the 4 clamps and disconnect the No. 5 engine wire from the intake air surge tank assembly.
      GTY516796Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. DISCONNECT VACUUM HOSE SUB-ASSEMBLY 
    1. Disconnect the vacuum hose sub-assembly from the intake air surge tank assembly.
      GTY499995Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE FUEL VAPOR FEED HOSE 
    1. Slide the clip and remove the fuel vapor feed hose from the intake air surge tank assembly.
      GTY500002Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. DISCONNECT VENTILATION HOSE 
    1. Slide the clip and disconnect the ventilation hose from the intake air surge tank assembly.
      GTY518046Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE INJECTOR DRIVER BRACKET 
    1. Remove the 4 bolts and 2 injector driver brackets from the intake air surge tank assembly, cylinder head cover sub-assembly LH and cylinder head cover sub-assembly.
      GTY500005Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE WATER BY-PASS PIPE SUB-ASSEMBLY 
    1. Remove the 2 water hose sets from the heater water inlet hose and heater water outlet hose.
      GTY507061Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Heater Water Inlet Hose
      *2 Heater Water Outlet Hose
    2. Slide the clip and disconnect the No. 3 water by-pass hose from the water by-pass pipe sub-assembly.
      GTY514417Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Heater Water Inlet Hose
      *2 Heater Water Outlet Hose
      *3 No. 3 Water By-pass Hose
      *4 Water By-pass Hose
      *5 No. 5 Water By-pass Hose
    3. Slide the clip and disconnect the water by-pass hose from the water by-pass pipe sub-assembly.
    4. Slide the clip and disconnect the No. 5 water by-pass hose from the water by-pass pipe sub-assembly.
    5. Slide the clip and disconnect the heater water outlet hose from the water by-pass pipe sub-assembly.
    6. Slide the clip and disconnect the heater water inlet hose from the water by-pass pipe sub-assembly.
    7. Remove the 2 bolts and water by-pass pipe sub-assembly from the intake air surge tank assembly.
      GTY499978Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. REMOVE FUEL TUBE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 11

  17. REMOVE NO. 2 FUEL DELIVERY PIPE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 12

  18. REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 13

  19. REMOVE NO. 1 DELIVERY PIPE SPACER 

    Refer to PROCEDURE - Step 14

  20. REMOVE INJECTOR VIBRATION INSULATOR 

    Refer to PROCEDURE - Step 15

  21. REMOVE PORT FUEL INJECTOR ASSEMBLY 

    Refer to PROCEDURE - Step 16

  22. REMOVE V-BANK COVER BRACKET SUB-ASSEMBLY 
    1. Remove the bolt and V-bank cover bracket sub-assembly from the intake air surge tank assembly.
      GTY499977Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  23. REMOVE NO. 2 V-BANK COVER BRACKET SUB-ASSEMBLY 
    1. Remove the bolt and No. 2 V-bank cover bracket sub-assembly from the intake air surge tank assembly.
      GTY516800Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  24. DISCONNECT NO. 1 FUEL PIPE SUB-ASSEMBLY 
    1. Remove the bolt and disconnect the No. 1 fuel pipe sub-assembly from the intake air surge tank assembly.
      GTY499980Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  25. REMOVE INTAKE AIR SURGE TANK ASSEMBLY 
    1. Remove the bolt and disconnect the wire harness bracket from the intake air surge tank assembly.
      GTY499996Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 8 bolts and 2 nuts.
      GTY510297Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Nut
    3. Pull the engine wire as shown in the illustration.
      GTY1084418Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the intake air surge tank assembly from the cylinder block sub-assembly.
      GTY1084278Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Remove the 2 No. 1 intake manifold to head gaskets from the cylinder block sub-assembly.
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