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Home >> Lexus >> 2020 >> RX 450h Base >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Intake System / Exhaust System (Service Information) >> Exhaust Pipe >> Removal [10/2015 - 03/2018] >> Procedure

Removal [10/2015 - 03/2018]: Procedure

  1. REMOVE FRONT FLOOR COVER LH 

    Refer to PROCEDURE - Step 1

  2. REMOVE HEATED OXYGEN SENSOR (for Bank 1) 

    Refer to PROCEDURE - Step 2

  3. REMOVE EXHAUST PIPE DAMPER 
    WARNING:

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

    1. Remove the 2 bolts and exhaust pipe damper from the center exhaust pipe assembly (TWC: Rear Catalyst).
      GTY650231Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE TAIL EXHAUST PIPE ASSEMBLY 
    WARNING:

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

    1. Remove the 2 bolts, 2 compression springs and disconnect the tail exhaust pipe assembly from the center exhaust pipe assembly (TWC: Rear Catalyst).
      GTY650229Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the tail exhaust pipe assembly from the 2 exhaust pipe supports.
    3. Remove the exhaust pipe gasket from the center exhaust pipe assembly (TWC: Rear Catalyst).
  5. REMOVE CENTER 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. Remove the 2 bolts, 2 compression springs and disconnect the center exhaust pipe assembly (TWC: Rear Catalyst) from the front No. 3 exhaust pipe sub-assembly.
      GTY650227Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the center exhaust pipe assembly (TWC: Rear Catalyst) from the 4 exhaust pipe supports.
    3. Remove the exhaust pipe gasket from the front No. 3 exhaust pipe sub-assembly.
  6. REMOVE FRONT NO. 3 EXHAUST PIPE SUB-ASSEMBLY 
    WARNING:

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

    1. Remove the 2 bolts, 2 nuts and front No. 3 exhaust pipe sub-assembly from the front exhaust pipe assembly and exhaust manifold (TWC: Front Catalyst).
      GTY664796Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Nut
    2. Remove the 2 exhaust pipe gaskets from the front No. 3 exhaust pipe sub-assembly.
  7. REMOVE FRONT EXHAUST PIPE ASSEMBLY 

    See step  23

  8. REMOVE HEATED OXYGEN SENSOR (for Bank 2) 

    Refer to PROCEDURE - Step 4

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