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Home >> Lexus >> 2014 >> IS 350 Base, AWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Intake / Exhaust System (2GR-FSE) - Service Information >> Exhaust Manifold >> Removal [10/2016 - 10/2017] >> Procedure

Removal [10/2016 - 10/2017]: Procedure

  1. REMOVE AIR FUEL RATIO SENSOR 

    Refer to REMOVAL [04/2013 - 10/2017]

  2. REMOVE FRONT SUSPENSION MEMBER BRACE (for 2WD) 

    Refer to PROCEDURE - Step 13

  3. REMOVE REAR NO. 2 FLOOR BOARD SUB-ASSEMBLY (for Full Cover Type) 

    Refer to PROCEDURE - Step 2

  4. REMOVE REAR NO. 1 FLOOR BOARD SUB-ASSEMBLY (for Full Cover Type) 

    Refer to PROCEDURE - Step 3

  5. REMOVE FRONT CENTER FLOOR BRACE 

    See step  5

  6. DISCONNECT HEATED OXYGEN SENSOR 

    Refer to REMOVAL [04/2013 - 10/2017]

  7. REMOVE FRONT EXHAUST PIPE ASSEMBLY (TWC: Rear Catalyst) 

    See step  5

  8. REMOVE NO. 1 EXHAUST PIPE SUPPORT BRACKET SUB-ASSEMBLY 
    1. Remove the 2 bolts and No. 1 exhaust pipe support bracket sub-assembly from the automatic transmission with transfer assembly.
      GTY458872Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A For 2WD
      *B For AWD
  9. REMOVE FRONT PROPELLER SHAFT ASSEMBLY (for AWD) 

    Refer to PROCEDURE - Step 3

  10. REMOVE NO. 2 ENGINE OIL LEVEL DIPSTICK GUIDE 
    1. Remove the engine oil level dipstick.
      GTY469178Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A For 2WD
      *B For AWD
    2. Remove the bolt and No. 2 engine oil level dipstick guide from the cylinder block.
    3. Remove the O-ring from the No. 2 engine oil level dipstick guide.
  11. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY RH (TWC: Front Catalyst) 
    1. Using a 12 mm deep socket wrench, remove the 6 nuts and exhaust manifold sub-assembly RH (TWC: Front Catalyst).
      GTY467989Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Front
    2. Remove the gasket from the cylinder head sub-assembly.
  12. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY LH (TWC: Front Catalyst) 
    1. Using a 12 mm deep socket wrench, remove the 6 nuts and exhaust manifold sub-assembly LH (TWC: Front Catalyst).
      GTY465249Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Front
    2. Remove the gasket from the cylinder head sub-assembly.
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