Exhaust Manifold Installation

Engine Hybrid System. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
1Gr-Fe Intake Exhaust. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

  1. INSTALL AIR FUEL RATIO SENSOR (for Bank 2 Sensor 1)

  2. INSTALL EXHAUST MANIFOLD SUB-ASSEMBLY LH

  3. INSTALL NO. 2 MANIFOLD STAY

  4. INSTALL AIR FUEL RATIO SENSOR (for Bank 1 Sensor 1)

  5. INSTALL EXHAUST MANIFOLD SUB-ASSEMBLY RH

  6. INSTALL MANIFOLD STAY

  7. INSTALL FRONT EXHAUST PIPE ASSEMBLY

  8. INSTALL FRONT NO. 2 EXHAUST PIPE ASSEMBLY

  9. INSTALL HEATED OXYGEN SENSOR (for Bank 1 Sensor 2)

  10. INSTALL HEATED OXYGEN SENSOR (for Bank 2 Sensor 2)

  11. INSPECT FOR EXHAUST GAS LEAK

  12. INSTALL FRONT FENDER APRON SEAL UPPER LH

  13. INSTALL FRONT FENDER SEAL LH

  14. INSTALL FRONT FENDER APRON SEAL UPPER RH

  15. INSTALL FRONT FENDER SEAL RH

Exhaust Manifold -- Installation



1. INSTALL AIR FUEL RATIO SENSOR (for Bank 2 Sensor 1)


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.1Gr-Fe Intake Exhaust.Intake System.Exhaust Manifold  Installation
  1. Using SST, install the air fuel ratio sensor.

    SST
    09224-00010
    Torque:
    without SST:
    44 N*m{449 kgf*cm, 32 ft.*lbf}
    with SST:
    40 N*m{408 kgf*cm, 30 ft.*lbf}
    Text in Illustration
    *1
    Fulcrum Length
    HINT:
    1. Use a torque wrench with a fulcrum length of 30 cm (11.8 in.). When using a torque wrench with a fulcrum length that is not 30 cm (11.8 in.), calculate the torque specification for the torque wrench and SST based on the "without SST" torque specification (HILUX_TGN26 RM000004QR1006X.html).
    2. Make sure SST and the wrench are connected in a straight line.
  1. Connect the air fuel ratio sensor connector.



2. INSTALL EXHAUST MANIFOLD SUB-ASSEMBLY LH


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.1Gr-Fe Intake Exhaust.Intake System.Exhaust Manifold  Installation
  1. Install a new gasket to the cylinder head LH with the oval shape facing rearward.

    Text in Illustration
    *1
    Oval Shape
    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
    Forward
    NOTICE:
    Make sure the gasket is installed facing the proper direction.
  1. Install the exhaust manifold with 6 new nuts.

    Torque:
    21 N*m{214 kgf*cm, 15 ft.*lbf}
  1. Connect the air fuel ratio sensor connector.



3. INSTALL NO. 2 MANIFOLD STAY
  1. Install the No. 2 manifold stay with the 3 bolts.

    Torque:
    40 N*m{408 kgf*cm, 30 ft.*lbf}


4. INSTALL AIR FUEL RATIO SENSOR (for Bank 1 Sensor 1)


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.1Gr-Fe Intake Exhaust.Intake System.Exhaust Manifold  Installation
  1. Using SST, install the air fuel ratio sensor.

    SST
    09224-00010
    Torque:
    without SST:
    44 N*m{449 kgf*cm, 32 ft.*lbf}
    with SST:
    40 N*m{408 kgf*cm, 30 ft.*lbf}
    Text in Illustration
    *1
    Fulcrum Length
    HINT:
    1. Use a torque wrench with a fulcrum length of 30 cm (11.8 in.). When using a torque wrench with a fulcrum length that is not 30 cm (11.8 in.), calculate the torque specification for the torque wrench and SST based on the "without SST" torque specification (HILUX_TGN26 RM000004QR1006X.html).
    2. Make sure SST and the wrench are connected in a straight line.
  1. Connect the air fuel ratio sensor connector.



5. INSTALL EXHAUST MANIFOLD SUB-ASSEMBLY RH


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.1Gr-Fe Intake Exhaust.Intake System.Exhaust Manifold  Installation
  1. Install a new gasket to the cylinder head RH with the oval shape facing forward.

    Text in Illustration
    *1
    Oval Shape
    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
    Forward
    NOTICE:
    Make sure the gasket is installed facing the proper direction.
  1. Install the exhaust manifold with 6 new nuts.

    Torque:
    21 N*m{214 kgf*cm, 15 ft.*lbf}
  1. Connect the air fuel ratio sensor connector.



6. INSTALL MANIFOLD STAY
  1. Install the manifold stay with the 3 bolts.

    Torque:
    40 N*m{408 kgf*cm, 30 ft.*lbf}


7. INSTALL FRONT EXHAUST PIPE ASSEMBLY
  1. Connect the front exhaust pipe to the exhaust pipe support.

  1. Install a new gasket to the end of the front exhaust pipe that connects to the exhaust manifold.

    NOTICE:
    Do not reuse the gasket.
  1. Connect the front exhaust pipe to the exhaust manifold with the 2 nuts.

    Torque:
    54 N*m{554 kgf*cm, 40 ft.*lbf}


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
  1. Using a vernier caliper, measure the free length of the compression spring.

    Minimum length:
    40.5 mm (1.59 in.)
    If the free length is less than the minimum, replace the compression spring.


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.1Gr-Fe Intake Exhaust.Intake System.Exhaust Manifold  Installation
  1. Install a new gasket to the end of the front exhaust pipe that connects to the center exhaust pipe.

    Text in Illustration
    *1
    Gasket
    NOTICE:
    1. Be sure to install the gasket so that it faces the correct direction.
    2. Do not reuse the gasket.
    3. When connecting the exhaust pipe, do not push in the gasket with the exhaust pipe.
    HINT:
    Using a plastic-faced hammer, uniformly tap the gasket so that the gasket and front exhaust pipe fit properly.
  1. Connect the front exhaust pipe to the center exhaust pipe and 2 compression springs with the 2 bolts.

    Torque:
    43 N*m{438 kgf*cm, 32 ft.*lbf}


8. INSTALL FRONT NO. 2 EXHAUST PIPE ASSEMBLY
  1. Connect the front No. 2 exhaust pipe to the exhaust pipe support.

  1. Install 2 new gaskets.

    NOTICE:
    Do not reuse the gaskets.
  1. Install the front No. 2 exhaust pipe with 2 new nuts to the exhaust manifold.

    Torque:
    54 N*m{554 kgf*cm, 40 ft.*lbf}
  1. Connect the front No. 2 exhaust pipe with the 2 bolts and 2 new nuts to the front No. 2 exhaust pipe.

    Torque:
    48 N*m{489 kgf*cm, 35 ft.*lbf}


9. INSTALL HEATED OXYGEN SENSOR (for Bank 1 Sensor 2)


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.1Gr-Fe Intake Exhaust.Intake System.Exhaust Manifold  Installation
  1. Using SST, install the heated oxygen sensor.

    SST
    09224-00010
    Torque:
    without SST:
    44 N*m{449 kgf*cm, 32 ft.*lbf}
    with SST:
    40 N*m{408 kgf*cm, 30 ft.*lbf}
    Text in Illustration
    *1
    Fulcrum Length
    HINT:
    1. Use a torque wrench with a fulcrum length of 30 cm (11.8 in.). When using a torque wrench with a fulcrum length that is not 30 cm (11.8 in.), calculate the torque specification for the torque wrench and SST based on the "without SST" torque specification (HILUX_TGN26 RM000004QR1006X.html).
    2. Make sure SST and the wrench are connected in a straight line.
  1. Connect the heated oxygen sensor connector.



10. INSTALL HEATED OXYGEN SENSOR (for Bank 2 Sensor 2)


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.1Gr-Fe Intake Exhaust.Intake System.Exhaust Manifold  Installation
  1. Using SST, install the heated oxygen sensor.

    SST
    09224-00010
    Torque:
    without SST:
    44 N*m{449 kgf*cm, 32 ft.*lbf}
    with SST:
    40 N*m{408 kgf*cm, 30 ft.*lbf}
    Text in Illustration
    *1
    Fulcrum Length
    HINT:
    1. Use a torque wrench with a fulcrum length of 30 cm (11.8 in.). When using a torque wrench with a fulcrum length that is not 30 cm (11.8 in.), calculate the torque specification for the torque wrench and SST based on the "without SST" torque specification (HILUX_TGN26 RM000004QR1006X.html).
    2. Make sure SST and the wrench are connected in a straight line.
  1. Connect the heated oxygen sensor connector.



11. INSPECT FOR EXHAUST GAS LEAK
If gas is leaking, tighten the areas necessary to stop the leak. Replace damaged parts as necessary.


12. INSTALL FRONT FENDER APRON SEAL UPPER LH
  1. Install the fender apron seal upper LH with the 5 clips.



13. INSTALL FRONT FENDER SEAL LH
  1. Install the fender seal LH with the 5 clips.



14. INSTALL FRONT FENDER APRON SEAL UPPER RH
  1. Install the fender apron seal upper RH with the 5 clips.



15. INSTALL FRONT FENDER SEAL RH
  1. Install the fender seal RH with the 5 clips.