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Home >> Lexus >> 2009 >> LS 460L RWD >> Repair and Diagnosis >> Engine Mechanical >> Exhaust >> Engine Exhaust Assembly >> Exhaust Pipe >> Removal

Exhaust Pipe: Removal

CAUTION:
  • The procedures should be performed by at least 2 people.
  • Wear protective gloves when removing the exhaust pipe.
  • The exhaust pipe is extremely hot immediately after the engine has stopped.
  • Confirm that the exhaust pipe has cooled down before removing it.
  1. REMOVE NO. 2 DIFFERENTIAL SUPPORT PROTECTOR  (See REMOVAL )
  2. REMOVE NO. 1 DIFFERENTIAL SUPPORT PROTECTOR  (See REMOVAL )
  3. REMOVE NO. 6 ROCKER PANEL MOLDING PROTECTOR 
    1. Remove the 2 clips, screw and protector.
  4. REMOVE NO. 5 ROCKER PANEL MOLDING PROTECTOR 
    1. Remove the 2 clips, screw and protector.
  5. REMOVE REAR FLOOR SIDE MEMBER COVER LH 
    1. Remove the clip, nut, 2 screws, 3 bolts and cover.
      Fig 1: Locating Rear Floor Side Member Cover LH Clip, Nut, Screws, And Bolts
      G05773266Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE REAR FLOOR SIDE MEMBER COVER RH 
    1. Remove the clip, nut, 2 screws, 3 bolts and cover.
      Fig 2: Locating Rear Floor Side Member Cover RH Clip, Nut, Screws, And Bolts
      G06196306Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE FRONT FLOOR COVER LH 
    1. Remove the 3 hole seals, 4 grommets and cover.
      Fig 3: Locating Front Floor Cover Hole Seals And Grommets - LH
      G05773268Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE FRONT FLOOR COVER RH 
    1. Remove the 3 hole seals, 4 grommets and cover.
      Fig 4: Locating Front Floor Cover Hole Seals And Grommets - RH
      G05773269Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE FRONT FLOOR CENTER BRACE 
    1. Remove the 4 bolts and brace.
      2. Fig 5: Locating Front Center Floor Brace Bolts
      G05773270Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE FRONT CENTER FLOOR COVER (for AWD)  (See REMOVAL )
  11. DISCONNECT HEATED OXYGEN SENSOR (for 2WD) 
    1. Disconnect the 2 grommets from the floor panel.
    2. Using SST, loosen the sensors, and then disconnect the sensors by hand.

      HINT:

      Rotate the sensor counterclockwise to remove it from the front exhaust pipe, and record how many times it was rotated.

      NOTE: Do not strike the metal part of the sensor.

      SST 09224-00010 

      Fig 6: Disconnecting Heated Oxygen Sensor Using SST (For 2WD)
      G06196310Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. DISCONNECT HEATED OXYGEN SENSOR (for AWD) 
    1. for Bank 1:

      Disconnect the sensor connector.

      Fig 7: Locating Heated Oxygen Sensor Connector - Bank 1 (For AWD)
      G06196311Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. for Bank 2:

      Disconnect the grommet from the floor panel.

      Using SST, loosen the sensor, and then disconnect the sensor by hand.

      HINT:

      Rotate the sensor counterclockwise to remove it from the front exhaust pipe, and record how many times it was rotated.

      NOTE: Do not strike the metal part of the sensor.
      Fig 8: Identifying Grommet
      G06196312Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE FRONT EXHAUST PIPE ASSEMBLY 
    1. Temporarily loosen the 8 bolts on the tailpipe and manifold sides.
    2. Remove the 4 nuts and 4 bolts from the exhaust manifold LH and RH.

      HINT:

      During removal, hold the exhaust pipe.

      Fig 9: Locating Exhaust Manifold Nut And Bolts
      G06196313Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the 4 bolts from the tailpipe LH and RH.

      Then remove the front exhaust pipe.

      HINT:

      During removal, hold the exhaust pipe.

      Fig 10: Locating Tail Pipe Bolts
      G05773275Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the 2 gaskets from the exhaust manifold side, and the 2 gaskets from the tailpipe side.
      5. Fig 11: Locating Exhaust Manifold Gaskets
      G04943775Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE HEATED OXYGEN SENSOR (for AWD) 
    NOTE: Do not strike the metal part of the sensor.
    1. for Bank 1:

      Using SST, loosen the sensor and then remove the sensor by hand.

      SST 09224-00010 

      Fig 12: Removing Heated Oxygen Sensor Using SST 09224-00010
      G05773278Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE TAILPIPE LH 
    1. Disconnect the 3 exhaust pipe support and remove the tail pipe.
      Fig 13: Locating Exhaust Pipe Supports - LH
      G05773279Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. REMOVE TAILPIPE RH 
    1. Disconnect the 3 exhaust pipe support and remove the tail pipe.
      Fig 14: Locating Exhaust Pipe Supports - RH
      G05773280Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. REMOVE EXHAUST PIPE DAMPER 
    1. Remove the 2 bolts and exhaust pipe damper from the tailpipe LH.
      Fig 15: Locating Exhaust Pipe Damper Bolts - LH
      G05773281Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 bolts and exhaust pipe damper from the tailpipe RH.
      Fig 16: Locating Exhaust Pipe Damper Bolts - RH
      G05773286Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. REMOVE NO. 1 EXHAUST PIPE SUPPORT BRACKET SUB-ASSEMBLY (for 2WD) 
    1. Remove the 2 bolts and bracket.
      2. Fig 17: Locating No. 1 Exhaust Pipe Support Bracket Bolts
      G04943772Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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