LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2008 >> IS F >> Repair and Diagnosis >> Engine Mechanical >> Exhaust >> Intake System / Exhaust System >> Exhaust Manifold >> Installation
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Exhaust Manifold: Installation

  1. INSTALL EXHAUST MANIFOLD SUB-ASSEMBLY LH 
    1. Install a new gasket.
      Fig 1: Locating Exhaust Manifold Gasket
      G05750247Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the exhaust manifold sub-assembly LH, and install 8 new nuts in the order shown in the illustration.

    Torque: 21 N*m (214 kgf*cm, 16 ft.*lbf) 

    Fig 2: Locating Exhaust Manifold Sub-Assembly LH Nuts
    G05750249Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL AIR FUEL RATIO SENSOR  (See INSTALLATION )
  3. 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) 

    2. Connect the air fuel ratio sensor connector
    Fig 3: Locating No. 2 Exhaust Manifold Heat Insulator Bolts And Connector
    G05750245Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSTALL ENGINE MOUNTING DAMPER 
    1. Install the engine mounting damper with the bolt.

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

    Fig 4: Locating Engine Mounting Damper Bolts
    G05750244Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. INSTALL EXHAUST MANIFOLD SUB-ASSEMBLY RH 
    1. Install a new gasket
      Fig 5: Locating Exhaust Manifold Gasket
      G05750243Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the exhaust manifold sub-assembly RH, and install 8 new nuts in the order shown in the illustration

    Torque: 21 N*m (214 kgf*cm, 16 ft.*lbf) 

    Fig 6: Locating Exhaust Manifold Sub-Assembly RH Bolts
    G05750253Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. INSTALL AIR FUEL RATIO SENSOR  (See INSTALLATION )
  7. 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) 

    2. Connect the air fuel ratio sensor connector.
    Fig 7: Locating No. 1 Exhaust Manifold Heat Insulator Bolts And Connector
    G05750241Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. INSTALL OIL LEVEL DIPSTICK GUIDE SUB-ASSEMBLY 
    1. Apply engine oil to a new O-ring, and install it to the oil level dipstick guide sub-assembly.
    2. Install the oil level dipstick guide sub-assembly with the bolt.

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

    Fig 8: Locating Oil Level Dipstick Guide Bolts
    G05750240Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. INSTALL OIL LEVEL DIPSTICK SUB-ASSEMBLY 
    1. Install the oil level dipstick sub-assembly
  10. INSTALL ENGINE ASSEMBLY WITH TRANSMISSION 

    (See INSTALLATION )