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Home >> Lexus >> 2025 >> NX 350h >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Intake / Exhaust System - Service Information >> Intake Manifold >> Removal [11/2021 - ] >> Procedure

Removal [11/2021 - ]: Procedure

  1. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY 

    Refer to REMOVAL [11/2021 - ]

  2. REMOVE E.F.I. VACUUM SENSOR ASSEMBLY (MANIFOLD ABSOLUTE PRESSURE SENSOR) 

    Refer to REMOVAL [11/2021 - ]

  3. REMOVE PURGE VALVE (PURGE VSV) 

    Refer to REMOVAL [11/2021 - ]

  4. DISCONNECT FUEL VAPOR FEED HOSE ASSEMBLY 

    Refer to PROCEDURE - Step 2

  5. DISCONNECT NO. 2 FUEL VAPOR FEED HOSE ASSEMBLY 

    Refer to PROCEDURE - Step 3

  6. DISCONNECT ENGINE WIRE 
    1. GTY1078938Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE NO. 1 EGR PIPE SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 5
  8. REMOVE EGR VALVE ADAPTER GASKET 

    Refer to PROCEDURE - Step 6

  9. REMOVE EGR INLET GASKET 

    Refer to PROCEDURE - Step 7

  10. DISCONNECT NO. 5 WATER BY-PASS HOSE 
    1. GTY1078931Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. DISCONNECT NO. 3 WATER BY-PASS PIPE 
    1. GTY1078964Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using an 8 mm socket wrench, remove the bolt and disconnect the No. 3 water by-pass pipe from the intake manifold.
  12. REMOVE NO. 2 WATER BY-PASS PIPE 
    1. GTY1078750Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disengage the wire harness clamp.
      2. Using an 8 mm socket wrench, remove the 2 bolts (A) and separate the No. 2 water by-pass pipe from the intake manifold.
      3. Remove the bolt (B) and No. 2 water by-pass pipe from the cylinder block sub-assembly.
  13. REMOVE NO. 2 FUEL VAPOR FEED HOSE ASSEMBLY 
    1. GTY1078878Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE INTAKE MANIFOLD 
    1. w/ Stud Bolt:
      GTY1077662Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the 3 bolts and 2 nuts.
      2. Using an E8 "TORX" socket wrench, remove the 2 stud bolts and intake manifold from the cylinder head sub-assembly.
    2. w/o Stud Bolt:
      GTY1077824Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE NO. 1 INTAKE MANIFOLD TO HEAD GASKET 
    1. GTY999357Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. REMOVE NO. 1 ENGINE COVER 
    1. GTY999356Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. REMOVE VACUUM HOSE 
    1. GTY1080163Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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