FixVault
Home › Toyota › 2017 › Yaris iA Automatic Trans › Repair and Diagnosis › Engine Mechanical › Exhaust System (Service Information) › Exhaust System › Installation › Procedure

Exhaust System: Installation: Procedure

  1. EXHAUST MANIFOLD INSTALLATION NOTE 
    1. Temporarily tighten the exhaust manifold installation nuts (1) and (2) shown in the figure by hand.
      GTY486321Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Tighten the exhaust manifold installation nuts (1) and (2) shown in the figure.

      Torque: 43 N*m (438 kgf*cm, 32 ft.*lbf) 

    3. Temporarily tighten the exhaust manifold installation nuts (3) to (5) shown in the figure by hand.
      GTY494570Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Tighten the exhaust manifold installation nuts (3) to (5) shown in the figure.

      Exhaust manifold installation nut tightening torque 

      Torque: 53.5 N*m (546 kgf*cm, 39 ft.*lbf) 

    5. Tighten the exhaust manifold installation nuts (1) and (2) shown in the figure.

      Exhaust manifold installation nut tightening torque 

      Torque: 53.5 N*m (546 kgf*cm, 39 ft.*lbf) 

    6. Temporarily tighten the bolt (6) shown in the figure.
      GTY492849Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      N*m (kgf*cm, ft.*lbf) : Specified torque
    7. Tighten the bolt (6) shown in the figure.

      Exhaust manifold installation bolt tightening torque 

      Torque: 44.5 N*m (454 kgf*cm, 33 ft.*lbf) 

  2. EXHAUST MANIFOLD INSULATOR INSTALLATION NOTE 
    NOTE:

    Since the quality of the material of exhaust manifold insulator is aluminum material, it is very easy to change. Therefore, it takes care that there is no modification of exhaust manifold insulator at the time of attachment for dealing with it.

    1. Temporarily tighten the exhaust manifold insulator.
    2. Tighten the exhaust manifold insulator in the order shown in the figure.

      Exhaust manifold insulator tightening torque 

      Torque: 9.0 N*m (92 kgf*cm, 80 in.*lbf) 

      GTY489009Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      N*m (kgf*cm, ft.*lbf) : Specified torque
    3. Check that there is no contact with an exhaust manifold and exhaust manifold insulator.
  3. INSTALL EXHAUST SYSTEM INSULATOR 
    1. Install the insulator (front).

      Torque: 9.0 N*m (92 kgf*cm, 80 in.*lbf) 

      GTY491019Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Insulator (Rear) *2 Insulator (Middle No. 1)
      *3 Insulator (Middle No. 2) *4 Insulator (Front)
      N*m (kgf*cm, ft.*lbf): Specified torque - -
    2. Install the insulator (middle No. 2).

      Torque: 9.0 N*m (92 kgf*cm, 80 in.*lbf) 

    3. Install the insulator (middle No. 1).

      Torque: 9.0 N*m (92 kgf*cm, 80 in.*lbf) 

    4. Install the insulator (rear).

      Torque: 9.0 N*m (92 kgf*cm, 80 in.*lbf) 

  4. INSTALL EXHAUST SYSTEM 
    WARNING:

    A hot engine and exhaust system can cause severe burns. Turn off the engine and wait until they are cool before removing the exhaust system.

    1. Install the exhaust system insulator.

      See step  3

    2. Install the exhaust manifold gasket.

      Step 1 

      GTY491994Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Air Fuel Ratio Sensor *2 Exhaust Manifold Insulator
      *3 Exhaust Manifold (WU-TWC) *4 Exhaust Manifold Gasket
      N*m (kgf*cm, ft.*lbf): Specified torque • Non-reusable part
    3. Install the exhaust manifold (WU-TWC).

      See step  1

      for Bolt 

      Torque: 44.5 N*m (454 kgf*cm, 33 ft.*lbf) 

      for Nut 

      Torque: 53.5 N*m (546 kgf*cm, 39 ft.*lbf) 

    4. Install the exhaust manifold insulator.

      See step  2

      Torque: 9.0 N*m (92 kgf*cm, 80 in.*lbf) 

    5. Install the air fuel ratio sensor.

      Refer to INSTALLATION

      Torque: 41.5 N*m (423 kgf*cm, 31 ft.*lbf) 

    6. Install the TWC.

      Torque: 44.5 N*m (454 kgf*cm, 33 ft.*lbf) 

      Step 2 

      GTY482849Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Main Silencer *2 Insulator
      *3 Tunnel Member *4 Heated Oxygen Sensor
      *5 TWC - -
      *a Fastener - -
      N*m (kgf*cm, ft.*lbf): Specified torque • Non-reusable part
    7. Install the heated oxygen sensor.

      Refer to INSTALLATION

      Torque: 41.5 N*m (423 kgf*cm, 31 ft.*lbf) 

    8. Install the tunnel member.

      Torque: 22 N*m (224 kgf*cm, 16 ft.*lbf) 

    9. Install the insulator.

      Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf) 

    10. Install the main silencer.

      Torque: 20 N*m (204 kgf*cm, 15 ft.*lbf) 

    11. Install the plug hole plate.

      Refer to INSTALLATION

    12. Connect the negative battery cable.

      Refer to INSTALLATION

About FixVault