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Home >> Lexus >> 2014 >> IS 350 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Engine Intake / Exhaust System (8AR-FTS) - Service Information) >> Intake Manifold >> Removal [08/2015 - ] >> Procedure

Removal [08/2015 - ]: Procedure

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  1. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY 

    Refer to REMOVAL [08/2015 - ]

  2. DISCONNECT NO. 2 TURBO WATER HOSE 

    See step  2

  3. DISCONNECT NO. 1 VACUUM TRANSMITTING HOSE 

    See step  3

  4. DISCONNECT NO. 8 WATER BY-PASS HOSE 

    See step  4

  5. DISCONNECT NO. 9 WATER BY-PASS HOSE 

    See step  5

  6. SEPARATE HEATER WATER PUMP ASSEMBLY 

    See step  6

  7. DISCONNECT ENGINE WIRE 

    See step  7

  8. DISCONNECT NO. 1 AIR TUBE 

    See step  8

  9. DISCONNECT INTERCOOLER ASSEMBLY 

    See step  9

  10. REMOVE PURGE VALVE (PURGE VSV) 

    Refer to REMOVAL [08/2015 - ]

  11. REMOVE INTERCOOLER RESERVE TANK ASSEMBLY 
    1. Disengage the 2 fuel tube sub-assemblies from the intercooler reserve tank assembly.
      GTY654343Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 3 Intercooler Cooling Water Hose Assembly
      *2 No. 4 Intercooler Cooling Water Hose Assembly
      *3 Fuel Tube Sub-assembly
    2. Slide the clip and disconnect the No. 3 intercooler cooling water hose assembly from the No. 2 water by-pass pipe.
    3. Remove the 2 bolts and intercooler reserve tank assembly from the intercooler reserve tank bracket.
    4. Slide the clip and disconnect the No. 4 intercooler cooling water hose assembly from the intercooler reserve tank assembly.
  12. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 3 [08/2015 - 10/2016] , or refer to PROCEDURE - Step 3 [10/2016 - 09/2020] , or refer to PROCEDURE - Step 3 [09/2020 - ]

  13. REMOVE AIR CLEANER HOSE ASSEMBLY 

    See step  4

  14. REMOVE FUEL HOSE BRACKET 
    1. Disengage the clamp.
      GTY619498Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the 2 fuel tube sub-assemblies from the fuel hose bracket.
    3. Remove the bolt and fuel hose bracket from the intake manifold.
  15. REMOVE NO. 2 VENTILATION HOSE 
    1. Slide the 2 clips and remove the No. 2 ventilation hose from the intake manifold and cylinder head cover sub-assembly.
      GTY619497Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. REMOVE NO. 2 WATER BY-PASS PIPE 
    1. Slide the 2 clips and disconnect the No. 1 turbo water hose and No. 2 turbo water hose from the No. 2 water by-pass pipe.
      GTY626675Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Turbo Water Hose
      *2 No. 2 Turbo Water Hose
    2. Remove the 2 bolts and No. 2 water by-pass pipe from the intake manifold.
      GTY674030Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. DISCONNECT INLET HEATER WATER HOSE A 

    Refer to PROCEDURE - Step 29 [08/2015 - 10/2016] , or refer to PROCEDURE - Step 28 [10/2016 - 09/2020] , or refer to PROCEDURE - Step 28 [09/2020 - ]

  18. DISCONNECT OUTLET HEATER WATER HOSE A 

    Refer to PROCEDURE - Step 30 [08/2015 - 10/2016] , or refer to PROCEDURE - Step 29 [10/2016 - 09/2020] , or refer to PROCEDURE - Step 29 [09/2020 - ]

  19. DISCONNECT ENGINE WIRE 
    1. Remove the 2 bolts.
      GTY673235Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Connector
    2. Disconnect the 6 connectors.
    3. Disengage the 2 clamps.
    4. Disconnect the 5 connectors.
      GTY619508Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. DISCONNECT NO. 3 WATER BY-PASS HOSE 
    1. Disengage the clamp.
      GTY619507Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Slide the clip and disconnect the No. 3 water by-pass hose from the water outlet sub-assembly.
  21. DISCONNECT NO. 2 VACUUM TRANSMITTING HOSE ASSEMBLY 
    1. Disengage the clamp from the cylinder head cover sub-assembly.
      GTY627444Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the No. 2 vacuum transmitting hose assembly from the vacuum pump assembly.
  22. DISCONNECT VACUUM TRANSMITTING HOSE ASSEMBLY 
    1. Disengage the 4 clamps and disconnect the vacuum transmitting hose assembly from the cylinder head cover sub-assembly.
      GTY627445Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the vacuum transmitting hose assembly from the waste gate valve actuator with bracket assembly.
  23. DISCONNECT INLET HEATER WATER HOSE B 
    1. Slide the clip and disconnect the inlet heater water hose B from the No. 5 water by-pass pipe.
      GTY619481Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  24. REMOVE INTAKE MANIFOLD 
    1. Remove the 4 bolts, 2 nuts and intake manifold from the cylinder head sub-assembly and intercooler support bracket sub-assembly.
      GTY655484Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Nut
    2. Remove the 2 bolts, nut and No. 5 water by-pass pipe from the intercooler support bracket sub-assembly.
      GTY654242Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Nut
    3. Remove the 2 bolts and intercooler support bracket sub-assembly from the intake manifold.
      GTY619523Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Align the intercooler support bracket sub-assembly with its marked original position and remove it.

    4. Remove the 2 intake manifold gaskets from the intake manifold.
      GTY674033Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  25. REMOVE NO. 2 TURBO PRESSURE SENSOR 
    1. Disengage the No. 1 vacuum transmitting hose assembly from the intake manifold.
      GTY654573Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the bolt and No. 2 turbo pressure sensor from the intake manifold.
  26. REMOVE NO. 2 FUEL VAPOR FEED HOSE 
    1. Slide the clip and remove the No. 2 fuel vapor feed hose from the intake manifold.
      GTY619520Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  27. REMOVE BRACKET 
    1. Remove the bolt and bracket from the intake manifold.
      GTY619521Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  28. REMOVE NO. 3 VACUUM TRANSMITTING HOSE ASSEMBLY 
    1. Disengage the 2 clamps.
      GTY505757Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the No. 3 vacuum transmitting hose assembly from the vacuum surge tank and vacuum regulating valve assembly.
      GTY654571Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  29. REMOVE NO. 1 TURBO PRESSURE SENSOR 
    1. Remove the bolt and No. 1 turbo pressure sensor from the intake manifold.
      GTY654580Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  30. REMOVE VACUUM REGULATING VALVE ASSEMBLY 
    1. Remove the 2 bolts and vacuum regulating valve assembly from the intake manifold.
      GTY681768Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  31. REMOVE NO. 4 VACUUM TRANSMITTING HOSE ASSEMBLY 
    1. Disengage the 2 clamps and remove the No. 4 vacuum transmitting hose assembly from the vacuum surge tank.
      GTY505754Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  32. REMOVE VACUUM SURGE TANK 
    1. Remove the 3 bolts and vacuum surge tank from the intake manifold.
      GTY619519Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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