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Home >> Toyota >> 2014 >> Highlander LE Plus, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 22 (Intake / Exhaust System (2GR-FKS) (Service Information) (Except Hybrid)) >> Exhaust Pipe & Catalytic Converter >> Removal [11/2016 - ] >> Procedure

Removal [11/2016 - ]: Procedure

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  1. REMOVE NO. 1 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 8

  2. REMOVE NO. 2 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 9

  3. REMOVE FRONT FLOOR COVER LH 

    See step  3

  4. REMOVE TAIL EXHAUST PIPE ASSEMBLY 
    1. Remove the 2 bolts and disconnect the tail exhaust pipe assembly from the center exhaust pipe assembly (TWC: Rear Catalyst).
      GTY446513Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the tail exhaust pipe assembly from the 4 exhaust pipe supports.
      GTY446512Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the gasket from the center exhaust pipe assembly (TWC: Rear Catalyst).
  5. REMOVE NO. 3 EXHAUST PIPE DAMPER 
    1. Remove the 2 bolts and No. 3 exhaust pipe damper from the tail exhaust pipe assembly.
      GTY693140Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE CENTER EXHAUST PIPE ASSEMBLY (TWC: Rear Catalyst) 
    1. Remove the 2 bolts and 2 compression springs to disconnect the center exhaust pipe assembly (TWC: Rear Catalyst) from the front No. 3 exhaust pipe sub-assembly.
      GTY732365Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the center exhaust pipe assembly (TWC: Rear Catalyst) from the exhaust pipe support.
    3. Remove the gasket from the front No. 3 exhaust pipe sub-assembly.
  7. REMOVE FRONT NO. 3 EXHAUST PIPE SUB-ASSEMBLY 
    1. Disengage the 3 wire harness clamps.
      GTY693142Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the heated oxygen sensor (for Bank 1) connector.
    3. 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).
      GTY725551Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Nut
    4. Remove the 2 gaskets from the front No. 3 exhaust pipe sub-assembly.
  8. REMOVE HEATED OXYGEN SENSOR (for Bank 1) 
    1. Remove the wire harness clamp bracket from the heated oxygen sensor (for Bank 1).
      GTY659041Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using SST, remove the heated oxygen sensor (for Bank 1) from the front No. 3 exhaust pipe sub-assembly.
      • SST: 09224-00012 
      NOTE:

      If the heated oxygen sensor has been struck or dropped, replace it.

      GTY630949Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE NO. 1 EXHAUST PIPE SUPPORT BRACKET (for Lower Side) 
    1. Remove the 2 bolts and No. 1 exhaust pipe support bracket (for Lower Side).
      GTY693133Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE FRONT EXHAUST PIPE ASSEMBLY 
    1. Disengage the 2 wire harness clamps.
      GTY693134Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the heated oxygen sensor (for Bank 2) connector.
    3. Remove the 2 nuts and front exhaust pipe assembly from the exhaust manifold assembly LH (TWC: Front Catalyst).
      GTY628019Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the gasket from the front exhaust pipe assembly.
  11. REMOVE HEATED OXYGEN SENSOR (for Bank 2) 

    Refer to PROCEDURE - Step 7

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