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Home >> Toyota >> 2021 >> Camry LE, FWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Intake / Exhaust System (A25A-FKS) - Service Information (Except Hybrid) >> Exhaust Manifold And Catalytic Converter >> Removal [03/2017 - 03/2020] >> Procedure

Removal [03/2017 - 03/2020]: Procedure

  1. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH 

    Refer to PROCEDURE - Step 8 [03/2017 - 06/2017] , or refer to PROCEDURE - Step 8 [06/2017 - 08/2018] , or refer to PROCEDURE - Step 8 [08/2018 - 09/2019] , or refer to PROCEDURE - Step 8 [09/2019 - 03/2020]

  2. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH 

    Refer to PROCEDURE - Step 9 [03/2017 - 06/2017] , or refer to PROCEDURE - Step 9 [06/2017 - 08/2018] , or refer to PROCEDURE - Step 9 [08/2018 - 09/2019] , or refer to PROCEDURE - Step 9 [09/2019 - 03/2020]

  3. REMOVE NO. 1 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 10 [03/2017 - 06/2017] , or refer to PROCEDURE - Step 10 [06/2017 - 08/2018] , or refer to PROCEDURE - Step 10 [08/2018 - 09/2019] , or refer to PROCEDURE - Step 10 [09/2019 - 03/2020]

  4. REMOVE FRONT FLOOR COVER LH 

    See step  3 [03/2017 - 06/2017], or see step  5 [06/2017 - 03/2020]

  5. REMOVE FRONT FLOOR COVER RH 

    See step  4 [03/2017 - 06/2017], or see step  6 [06/2017 - 03/2020]

  6. REMOVE FRONT CENTER FLOOR BRACE 

    See step  5 [03/2017 - 06/2017], or see step  7 [06/2017 - 03/2020]

  7. REMOVE CENTER FLOOR CROSSMEMBER BRACE 

    See step  6 [03/2017 - 06/2017], or see step  8 [06/2017 - 03/2020]

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

    To prevent burns, do not touch the engine, exhaust pipe or other high temperature components while the engine is hot.

    1. Disengage the wire harness clamp.
      GTY754287Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the air fuel ratio sensor (for sensor 2) connector.
    3. Remove the 2 bolts, 2 nuts and disconnect the front exhaust pipe assembly (TWC: Rear Catalyst) from the exhaust manifold (TWC: Front Catalyst) and center exhaust pipe assembly.
      GTY754202Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the front exhaust pipe assembly (TWC: Rear Catalyst) from the 2 exhaust pipe supports.
    5. Remove the 2 gaskets from the front exhaust pipe assembly (TWC: Rear Catalyst).
  9. REMOVE FRONT LOWER NO. 1 FLOOR HEAT INSULATOR 

    Refer to PROCEDURE - Step 5 [03/2017 - 06/2017] , or refer to PROCEDURE - Step 5 [06/2017 - 10/2020]

  10. REMOVE NO. 2 ENGINE UNDER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 11 [03/2017 - 06/2017] , or refer to PROCEDURE - Step 11 [06/2017 - 08/2018] , or refer to PROCEDURE - Step 11 [08/2018 - 09/2019] , or refer to PROCEDURE - Step 11 [09/2019 - 03/2020]

  11. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY 

    Refer to REMOVAL [03/2017 - ]

  12. REMOVE FRONT CENTER UPPER SUSPENSION BRACE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 6 [03/2017 - 06/2017] , or refer to PROCEDURE - Step 6 [06/2017 - 10/2020]

  13. REMOVE AIR FUEL RATIO SENSOR (for Sensor 1) 

    Refer to REMOVAL [03/2017 - ]

  14. REMOVE WIRE HARNESS CLAMP BRACKET 
    1. Remove the bolt and wire harness clamp bracket.
      GTY771533Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. SEPARATE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR 
    WARNING:

    To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.

    1. Remove the 5 bolts and separate the No. 1 exhaust manifold heat insulator from the exhaust manifold (TWC: Front Catalyst).
      GTY754186Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. SEPARATE NO. 1 UPPER FRONT FLOOR HEAT INSULATOR 
    WARNING:

    To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.

    1. Remove the 2 nuts and separate the No. 1 upper front floor heat insulator from the vehicle body.
      GTY754191Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. REMOVE MANIFOLD STAY 
    WARNING:

    To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.

    1. Remove the bolt, nut and manifold stay from the exhaust manifold (TWC: Front Catalyst) and cylinder block sub-assembly.
      GTY755050Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. REMOVE EXHAUST MANIFOLD (TWC: Front Catalyst) 
    WARNING:

    To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.

    1. Using a 12 mm deep socket wrench, remove the 7 nuts and separate the exhaust manifold (TWC: Front Catalyst) from the cylinder head sub-assembly.
      GTY754194Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the No. 1 exhaust manifold heat insulator, No. 1 upper front floor heat insulator and exhaust manifold (TWC: Front Catalyst).
    3. Remove the exhaust manifold to head gasket from the cylinder head sub-assembly.
      GTY754192Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. REMOVE NO. 2 EXHAUST MANIFOLD HEAT INSULATOR 
    1. Remove the 6 bolts and No. 2 exhaust manifold heat insulator from the exhaust manifold (TWC: Front Catalyst).
      GTY754188Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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