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Home >> Toyota >> 2019 >> Sienna SE, AWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Intake System / Exhaust System [2GR-FKS] (Service Information) >> EXHAUST PIPE & CATALYTIC CONVERTER (for AWD) >> Removal [08/2016 - ] >> Procedure

Removal [08/2016 - ]: Procedure

  1. REMOVE INSTRUMENT PANEL FINISH PANEL END LH 
    1. Using a clip remover, remove the clip.
      GTY734100Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the 3 guides and remove the instrument panel finish panel end LH.
  2. REMOVE TAIL EXHAUST PIPE ASSEMBLY 
    1. Remove the 2 bolts to separate the tail exhaust pipe assembly from the center exhaust pipe assembly.
      GTY298360Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the 4 exhaust pipe supports to remove the tail exhaust pipe assembly from the vehicle.
      GTY298359Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the gasket from the center exhaust pipe assembly.
  3. REMOVE CENTER EXHAUST PIPE ASSEMBLY 
    1. Disconnect the heated oxygen sensor (for bank 1) connector.
      GTY723375Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the heated oxygen sensor (for bank 1) wire grommet and pass the connector through the hole to the outside of the vehicle.
    3. Remove the 2 bolts and 2 nuts to separate the center exhaust pipe sub-assembly from the front exhaust pipe assembly and exhaust manifold sub-assembly RH (TWC: front catalyst).
      GTY722576Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Disconnect the 2 exhaust pipe supports to remove the center exhaust pipe assembly from the vehicle.
      GTY298355Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Remove the 2 gaskets from the center exhaust pipe assembly and front exhaust pipe assembly.
    6. Remove the 2 bolts and 2 compression springs to remove the center exhaust pipe sub-assembly (TWC: rear catalyst) from the front No. 3 exhaust pipe sub-assembly.
      GTY298350Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Remove the 2 bolts and 2 compression springs to remove the center exhaust pipe sub-assembly (TWC: rear catalyst) from the center No. 2 exhaust pipe sub-assembly.
    8. Remove the 2 gaskets from the front No. 3 exhaust pipe sub-assembly and center exhaust pipe sub-assembly.
  4. REMOVE FRONT EXHAUST PIPE ASSEMBLY 
    1. Disconnect the heated oxygen sensor (for bank 2) connector.
      GTY724254Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the 2 clamps to disconnect the heated oxygen sensor (for bank 2) wire from the wire harness clamp bracket.
      GTY739228Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Loosen the bolt and separate the exhaust pipe clamp from the No. 1 exhaust pipe support bracket.
      GTY724252Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the 2 nuts and front exhaust pipe assembly from the exhaust manifold sub-assembly LH (TWC: front catalyst).
      GTY738853Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Remove the gasket from the front exhaust pipe assembly.
  5. REMOVE HEATED OXYGEN SENSOR (for Bank 1) 

    Refer to PROCEDURE - Step 7

  6. REMOVE HEATED OXYGEN SENSOR (for Bank 2) 

    Refer to PROCEDURE - Step 6

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