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Home >> Toyota >> 2016 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Intake / Exhaust System (1AR-FE) (Service Information) (Except Hybrid)) >> Exhaust Manifold & Catalytic Converter >> Removal [12/2013 - ] >> Procedure

Removal [12/2013 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. REMOVE AIR FUEL RATIO SENSOR 

    Refer to PROCEDURE - Step 1

  2. REMOVE NO. 1 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 8 , or refer to PROCEDURE - Step 8

  3. REMOVE NO. 2 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 9 , or refer to PROCEDURE - Step 9

  4. 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.
  5. REMOVE FRONT EXHAUST PIPE ASSEMBLY (TWC: Front Catalyst) 
    1. Remove the 4 bolts, 2 compression springs and front exhaust pipe assembly (TWC: Front Catalyst) from the exhaust manifold and center exhaust pipe assembly (TWC: Rear Catalyst).
      GTY446709Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 gaskets from the exhaust manifold and front exhaust pipe assembly (TWC: Front Catalyst).
  6. REMOVE MANIFOLD STAY 
    1. Remove the bolt, nut and manifold stay from the exhaust manifold and stiffening crankcase assembly.
      GTY444991Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE NO. 2 MANIFOLD STAY 
    1. Remove the bolt, nut and No. 2 manifold stay from the exhaust manifold and stiffening crankcase assembly.
      GTY444992Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR 
    1. Remove the 4 bolts and No. 1 exhaust manifold heat insulator from the exhaust manifold.
      GTY319658Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE EXHAUST MANIFOLD 
    1. Remove the 5 nuts and exhaust manifold from the cylinder head sub-assembly.
      GTY194978Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the exhaust manifold to head gasket from the cylinder head sub-assembly.
      GTY315696Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE NO. 2 EXHAUST MANIFOLD HEAT INSULATOR 
    1. Remove the 2 bolts and No. 2 exhaust manifold heat insulator from the exhaust manifold.
      GTY322522Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE NO. 3 EXHAUST MANIFOLD HEAT INSULATOR 
    1. Remove the 3 bolts and No. 3 exhaust manifold heat insulator from the exhaust manifold.
      GTY446712Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002