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Home >> Toyota >> 2017 >> Highlander LE Plus, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 24 (Intake / Exhaust System (2GR-FE) (Service Information) (Except Hybrid)) >> Exhaust Manifold & Catalytic Converter >> Removal [12/2013 - 11/2016] >> Procedure

Removal [12/2013 - 11/2016]: Procedure

WARNING: This page is about a different car, the 2016 Toyota Highlander, 2015 Toyota Highlander, and 2014 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
  1. REMOVE RADIATOR ASSEMBLY 

    Refer to REMOVAL [12/2013 - 11/2016]

  2. REMOVE NO. 2 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 9

  3. REMOVE FRONT FLOOR COVER LH 
    1. Remove the clip (A), 2 screws and 4 bolts from the front floor cover LH.
      GTY454210Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Screw
    2. Disconnect the 2 clips (B) to remove the front floor cover LH.
  4. REMOVE PROPELLER WITH CENTER BEARING SHAFT ASSEMBLY (for 4WD) 

    Refer to PROCEDURE - Step 2

  5. REMOVE FRONT NO. 3 EXHAUST PIPE SUB-ASSEMBLY 
    1. Disengage the 4 wire harness clamps.
      GTY444104Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the heated oxygen sensor (for Bank 1) connector.
    3. Remove the 4 bolts, 2 nuts and 2 compression springs and front No. 3 exhaust pipe sub-assembly.
      GTY454984Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the 3 gaskets from the front No. 3 exhaust pipe sub-assembly.
  6. REMOVE MANIFOLD STAY 
    1. Remove the bolt, nut and manifold stay from the exhaust manifold sub-assembly RH (TWC: Front Catalyst) and automatic transaxle assembly.
      GTY307014Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY RH (TWC: Front Catalyst) 
    1. Disconnect the air fuel ratio sensor (for Bank 1) connector.
      GTY455002Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the wire harness clamp.
    3. Using a 12 mm deep socket wrench, remove the 6 nuts and exhaust manifold sub-assembly RH (TWC: Front Catalyst).
      GTY193906Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE EXHAUST MANIFOLD TO HEAD GASKET 
    1. Remove the exhaust manifold to head gasket from the cylinder head sub-assembly.
      GTY318921Courtesy 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.
      GTY444982Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE FRONT EXHAUST PIPE ASSEMBLY 
    1. Disengage the 3 wire harness clamps.
      GTY444098Courtesy 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 sub-assembly LH (TWC: Front Catalyst).
      GTY444983Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the gasket from the front exhaust pipe assembly.
  11. REMOVE AIR FUEL RATIO SENSOR (for Bank 2) 

    Refer to PROCEDURE - Step 1

  12. REMOVE NO. 2 ENGINE OIL LEVEL DIPSTICK GUIDE 

    Refer to PROCEDURE - Step 8

  13. REMOVE NO. 2 EXHAUST MANIFOLD HEAT INSULATOR 
    1. Remove the 3 bolts and No. 2 exhaust manifold heat insulator from the exhaust manifold sub-assembly LH (TWC: Front Catalyst).
      GTY317923Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE NO. 2 MANIFOLD STAY 
    1. Remove the bolt, nut and No. 2 manifold stay from the exhaust manifold sub-assembly LH (TWC: Front Catalyst) and cylinder block sub-assembly.
      GTY143218Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. 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).
      GTY249724Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. REMOVE AIR FUEL RATIO SENSOR (for Bank 1) 

    Refer to PROCEDURE - Step 4

  17. REMOVE EXHAUST MANIFOLD TO HEAD GASKET LH 
    1. Remove the exhaust manifold to head gasket LH from the cylinder head sub-assembly.
      GTY319006Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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