LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2008 >> LS 460L >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust Assembly >> Exhaust Manifold >> Installation
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Exhaust Manifold: Installation

  1. INSTALL AIR FUEL RATIO SENSOR (for Bank 1)  (See INSTALLATION )
  2. INSTALL AIR FUEL RATIO SENSOR (for Bank 2)  (See INSTALLATION )
  3. INSTALL EXHAUST MANIFOLD SUB-ASSEMBLY LH 
    1. Install a new gasket.
      Fig 1: Identifying Exhaust Manifold Gasket
      G05854557Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the exhaust manifold LH, and install 8 new nuts in the order shown in the illustration.

      Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf) 

      Fig 2: Identifying Exhaust Manifold Bolt Tighten Sequence
      G04943758Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSTALL NO. 2 EXHAUST MANIFOLD HEAT INSULATOR 
    1. Install the exhaust manifold heat insulator with the 3 bolts.

      Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

      Fig 3: Locating Exhaust Manifold Heat Insulator With Bolts
      G04943754Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the air fuel ratio sensor connector.
      Fig 4: Locating Air Fuel Ratio Sensor Connector
      G04943753Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. INSTALL EXHAUST MANIFOLD SUB-ASSEMBLY RH 
    1. Install a new gasket.
      Fig 5: Installing Exhaust Manifold Gasket
      G04943752Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the exhaust manifold RH, and install 8 new nuts in the order shown in the illustration.

      Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf) 

      Fig 6: Locating Exhaust Manifold Bolt Tighten Sequence
      G04943762Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. INSTALL NO. 1 EXHAUST MANIFOLD HEAT INSULATOR 
    1. Install the No. 1 exhaust manifold heat insulator with the 3 bolts.

      Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

      Fig 7: Locating No. 1 Exhaust Manifold Heat Insulator With Bolts
      G04943763Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the air fuel ratio sensor connector.
      3. Fig 8: Locating Air Fuel Ratio Sensor Connector
      G04943764Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. INSTALL ENGINE OIL LEVEL DIPSTICK GUIDE  (See INSTALLATION )
  8. INSTALL NO. 2 STEERING INTERMEDIATE SHAFT ASSEMBLY (w/ VGRS)  (See INSTALLATION )
  9. INSTALL NO. 2 STEERING INTERMEDIATE SHAFT ASSEMBLY (w/o VGRS)  (See INSTALLATION )
  10. INSTALL STEERING SLIDING YOKE WITH SHAFT SUB-ASSEMBLY (w/ VGRS)  (See INSTALLATION )
  11. INSTALL STEERING SLIDING YOKE WITH SHAFT SUB-ASSEMBLY (w/o VGRS)  (See INSTALLATION )
  12. INSTALL GENERATOR ASSEMBLY  (See INSTALLATION )
  13. INSTALL V-RIBBED BELT  (See INSTALLATION )
  14. INSTALL FRONT SUSPENSION MEMBER REINFORCEMENT LH  (See INSPECTION )
  15. INSTALL FRONT SUSPENSION MEMBER REINFORCEMENT RH  (See INSPECTION )
  16. INSTALL FRONT STABILIZER BAR NO. 1 BUSH  (See INSTALLATION )
  17. TEMPORARILY TIGHTEN FRONT STABILIZER BAR  (See INSTALLATION )
  18. TIGHTEN FRONT STABILIZER NO. 1 BRACKET LH  (See INSTALLATION )
  19. TIGHTEN FRONT STABILIZER NO. 1 BRACKET RH  (See INSTALLATION )
  20. INSTALL REAR ENGINE UNDER COVER LH  (See INSTALLATION )
  21. INSTALL REAR ENGINE UNDER COVER RH  (See INSTALLATION )
  22. INSTALL ENGINE UNDER COVER SUB-ASSEMBLY  (See INSTALLATION )
  23. INSTALL ENGINE UNDER COVER SUB-ASSEMBLY RH  (See INSTALLATION )
  24. INSTALL FRONT EXHAUST PIPE ASSEMBLY  (See INSTALLATION  )
  25. INSTALL FRONT FLOOR CENTER BRACE  (See INSTALLATION  )
  26. CONNECT HEATED OXYGEN SENSOR (for Sensor 2)  (See INSTALLATION  )
  27. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
  28. INSTALL COWL TOP VENTILATOR LOUVER RH  (See INSTALLATION )
  29. INSPECT FOR EXHAUST GAS LEAK 
  30. INSTALL FRONT FLOOR COVER RH  (See INSTALLATION  )
  31. INSTALL FRONT FLOOR COVER LH  (See INSTALLATION  )
  32. INSTALL REAR FLOOR SIDE MEMBER COVER RH  (See INSTALLATION  )
  33. INSTALL REAR FLOOR SIDE MEMBER COVER LH  (See INSTALLATION  )
  34. INSTALL NO. 5 ROCKER PANEL MOULDING PROTECTOR  (See INSTALLATION  )
  35. INSTALL NO. 6 ROCKER PANEL MOULDING PROTECTOR  (See INSTALLATION  )
  36. INSTALL NO. 1 DIFFERENTIAL SUPPORT PROTECTOR  (See INSTALLATION )
  37. INSTALL NO. 2 DIFFERENTIAL SUPPORT PROTECTOR  (See INSTALLATION )
  38. INSTALL NO. 2 ENGINE UNDER COVER  (See INSTALLATION )
  39. INSTALL FRONT SUSPENSION MEMBER PROTECTOR LOWER  (See INSTALLATION )
  40. INSTALL NO. 1 ENGINE UNDER COVER  (See REPLACEMENT )
  41. INSTALL FRONT WHEEL  (See INSTALLATION )
  42. INSTALL ENGINE ROOM SIDE COVER RH  (See INSTALLATION )
  43. INSTALL ENGINE ROOM SIDE COVER LH  (See INSTALLATION )
  44. INSTALL INTAKE AIR CONNECTOR PIPE  (See INSTALLATION )
  45. INSTALL NO. 1 AIR CLEANER INLET  (See INSTALLATION )
  46. INSTALL AIR CLEANER INLET COVER  (See INSTALLATION )
  47. INSTALL V-BANK COVER SUB-ASSEMBLY  (See INSTALLATION )
  48. PERFORM INITIALIZATION 
    1. Perform initialization (see INITIALIZATION ).
      NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.
scientia non olet · About LEMON Manuals