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Home >> Lexus >> 2019 >> ES 350 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 55 (Engine Intake / Exhaust System (A25A-FXS) - Service Information) >> Intake Manifold >> Removal [08/2021 - ] >> Procedure

Removal [08/2021 - ]: Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, 2021 Lexus ES 300h, and 2020 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
  1. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY 

    Refer to REMOVAL [06/2018 - ]

  2. DISCONNECT ENGINE WIRE 

    Refer to PROCEDURE - Step 2 [08/2021 - 09/2022] , or refer to PROCEDURE - Step 2 [09/2022 - ]

  3. REMOVE NO. 1 EGR PIPE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 3 [08/2021 - 09/2022] , or refer to PROCEDURE - Step 3 [09/2022 - ]

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

    Refer to PROCEDURE - Step 1

  5. REMOVE PURGE VALVE (PURGE VSV) 

    Refer to REMOVAL [06/2018 - ]

  6. DISCONNECT ENGINE WIRE 
    1. Disconnect the No. 5 engine wire connector.
      GTY763895Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the bolt and disconnect the engine wire from the cylinder head sub-assembly.
    3. Remove the bolt.
      GTY754168Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Disengage the wire harness clamp and disconnect the engine wire from the intake manifold.
  7. 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.
      GTY754164Courtesy 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.
  8. REMOVE NO. 2 WATER BY-PASS PIPE 
    1. Disengage the wire harness clamp and disconnect the HV air conditioning wire.
      GTY742337Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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.
  9. REMOVE NO. 2 FUEL VAPOR FEED HOSE 
    1. Remove the No. 2 fuel vapor feed hose from the intake manifold.
      GTY771529Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE INTAKE MANIFOLD 
    1. w/o Stud Bolt:
      GTY754165Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the 5 bolts and intake manifold from the cylinder head sub-assembly.
    2. w/ Stud Bolt:
      GTY919275Courtesy 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.
        GTY944071Courtesy 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.
      GTY754160Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE NO. 1 ENGINE COVER 
    1. Remove the clip and No. 1 engine cover.
      GTY771528Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE VACUUM HOSE 
    1. Remove the vacuum hose from the intake manifold.
      GTY754161Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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