AIR FUEL RATIO SENSOR INSTALLATION

PROCEDURE


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

    Tech Tips

    Perform "Inspection After Repair" after replacing the air fuel ratio sensor.

    Click here


    1. Using SST, install the air fuel ratio sensor to the exhaust manifold sub-assembly RH (TWC: Front Catalyst).

      SST
      09224-00012
      Torque:
      Specified tightening torque
      44 N*m  { 449 kgf*cm, 32 ft.*lbf }

      Note

      If the air fuel ratio sensor has been struck or dropped, replace it.

      Tech Tips


      • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

        Click here

      • When using SST (fulcrum length of 30 mm (1.18 in.)) + torque wrench (fulcrum length of 180 mm (7.09 in.)):

        37.7 N*m (384 kgf*cm, 28 ft.*lbf)

  2. INSTALL EXHAUST MANIFOLD SUB-ASSEMBLY RH

    Click here

  3. INSTALL AIR FUEL RATIO SENSOR (for Bank 2)

    Tech Tips

    Perform "Inspection After Repair" after replacing the air fuel ratio sensor.

    Click here


    1. Using SST, install the air fuel ratio sensor to the exhaust manifold sub-assembly LH (TWC: Front Catalyst).

      SST
      09224-00012
      Torque:
      Specified tightening torque
      44 N*m  { 449 kgf*cm, 32 ft.*lbf }

      Note

      If the air fuel ratio sensor has been struck or dropped, replace it.

      Tech Tips


      • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

        Click here

      • When using SST (fulcrum length of 30 mm (1.18 in.)) + torque wrench (fulcrum length of 180 mm (7.09 in.)):

        37.7 N*m (384 kgf*cm, 28 ft.*lbf)

    2. Engage the 2 clamps.

    3. Connect the air fuel ratio sensor connector.

  4. INSTALL V-BANK COVER SUB-ASSEMBLY

  5. INSPECT FOR EXHAUST GAS LEAK

  6. PERFORM INITIALIZATION


    1. Perform "Inspection After Repair" after replacing an air fuel ratio sensor.

      Click here