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Home >> Lexus >> 2021 >> ES 250 Luxury >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Intake / Exhaust System (A25A-FKS) - Service Information >> Intake Manifold >> Removal [08/2020 - 08/2021] >> Procedure

Removal [08/2020 - 08/2021]: Procedure

  1. REMOVE COOL AIR INTAKE DUCT SEAL 

    Refer to PROCEDURE - Step 2

  2. REMOVE INLET AIR CLEANER ASSEMBLY 

    Refer to PROCEDURE - Step 10

  3. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY 

    Refer to REMOVAL [08/2020 - ]

  4. REMOVE EGR VALVE ASSEMBLY 

    Refer to REMOVAL [08/2020 - 08/2021]

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

    Refer to PROCEDURE - Step 1

  6. DISCONNECT ENGINE WIRE 
    1. Remove the bolt.
      GTY754213Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the wire harness clamp and disconnect the engine wire.
  7. REMOVE NO. 2 WATER BY-PASS PIPE 
    1. Using an 8 mm socket wrench, remove the 2 bolts (A) and separate the No. 2 water by-pass pipe from the intake manifold.
      GTY751309Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the bolt (B) and No. 2 water by-pass pipe from the cylinder block sub-assembly.
  8. DISCONNECT NO. 3 WATER BY-PASS PIPE 
    1. Slide the clip and disconnect the No. 5 water by-pass hose from the No. 3 water by-pass pipe.
      GTY754209Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using an 8 mm socket wrench, remove the bolt and disconnect the No. 3 water by-pass pipe from the intake manifold.
  9. DISCONNECT NO. 2 FUEL VAPOR FEED HOSE 
    1. Disconnect the No. 2 fuel vapor feed hose from the intake manifold.
      GTY754210Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE INTAKE MANIFOLD 
    1. Remove the 5 bolts and intake manifold from the cylinder head sub-assembly.
      GTY771539Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE NO. 1 INTAKE MANIFOLD TO HEAD GASKET 
    1. Remove the No. 1 intake manifold to head gasket from the intake manifold.
      GTY754211Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE NO. 1 ENGINE COVER 
    1. Remove the clip and No. 1 engine cover.
      GTY771536Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE VACUUM HOSE 
    1. Remove the vacuum hose from the intake manifold.
      GTY744642Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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