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Home >> Toyota >> 2019 >> Sequoia SR5, 4WD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Intake System / Exhaust System (3UR-FE) (Service Information) >> Exhaust Pipe >> Installation [08/2015 - 08/2019] >> Procedure

Installation [08/2015 - 08/2019]: Procedure

  1. INSTALL MONOLITHIC CONVERTER PROTECTOR (for Bank 1) 
    GTY546227Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Install the 2 LH converter protector stays and 2 No. 2 converter protector stays.
    2. Install the 2 monolithic converter protectors with the 4 bolts and 4 nuts.

      Torque: 11 N.m (107 kgf/cm, 8 ft.lbf) 

      HINT: 

      Install the monolithic converter protector within the angle range shown in the illustration.

  2. INSTALL NO. 1 MONOLITHIC CONVERTER PROTECTOR (for Bank 1) 
    GTY224095Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Install the 2 No. 2 converter protector stays and 2 No. 3 converter protector stays.
    2. Install the 2 No. 1 monolithic converter protectors with the 4 bolts and 4 nuts.

      Torque: 11 N.m (107 kgf/cm, 8 ft.lbf) 

      HINT: 

      Install the monolithic converter protector within the angle range shown in the illustration.

  3. INSTALL MONOLITHIC CONVERTER PROTECTOR (for Bank 2) 
    GTY238265Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Install the 2 LH converter protector stays and 2 No. 2 converter protector stays.
    2. Install the 2 monolithic converter protectors with 4 bolts and 4 nuts.

      Install the 2 No. 1 monolithic converter protectors with the 4 bolts and 4 nuts.

      Torque: 11 N.m (107 kgf/cm, 8 ft.lbf) 

      HINT: 

      Install the monolithic converter protector within the angle range shown in the illustration.

  4. INSTALL NO. 1 MONOLITHIC CONVERTER PROTECTOR (for Bank 2) 
    GTY233172Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Install the 2 No. 2 converter protector stays and 2 No. 3 converter protector stays.
    2. Install the 2 No. 1 monolithic converter protectors with 4 bolts and 4 nuts.

      Torque: 11 N.m (107 kgf/cm, 8 ft.lbf) 

      HINT: 

      Install the monolithic converter protector within the angle range shown in the illustration.

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

    Refer to PROCEDURE - Step 2

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

    Refer to PROCEDURE - Step 1

  7. INSTALL FRONT EXHAUST PIPE ASSEMBLY 
    GTY600152Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Install a new gasket and the front exhaust pipe to the exhaust manifold RH with 3 new nuts.

      Torque: 54 N.m (554 kgf/cm, 40 ft.lbf) 

    2. Connect the air fuel ratio sensor connector.
  8. INSTALL FRONT NO. 2 EXHAUST PIPE ASSEMBLY 
    GTY611183Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Install a new gasket and the front No. 2 exhaust pipe to the exhaust manifold LH with 3 new nuts.

      Torque: 54 N.m (554 kgf/cm, 40 ft.lbf) 

    2. Connect the air fuel ratio sensor connector.
    3. Connect the front No. 3 exhaust pipe to the exhaust pipe support.
      GTY611034Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Install a new gasket and the front No. 3 exhaust pipe sub-assembly to the No. 2 exhaust pipe sub-assembly with the 2 bolts and 2 new nuts.

      Torque: 48 N.m (489 kgf/cm, 35 ft.lbf) 

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

    Refer to PROCEDURE - Step 2

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

    Refer to PROCEDURE - Step 1

  11. INSTALL CENTER EXHAUST PIPE ASSEMBLY 
    GTY611387Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Connect the center exhaust pipe to the 3 exhaust pipe supports.
    2. Install 2 new gaskets to the front exhaust pipe.
    3. Install the center exhaust pipe with the 4 bolts.

      Torque: 48 N.m (489 kgf/cm, 35 ft.lbf) 

  12. INSTALL TAILPIPE ASSEMBLY 
    1. Connect the tailpipe to the exhaust pipe support.
    2. Install a new gasket to the center exhaust pipe.
      GTY575036Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Connect the tailpipe to the center exhaust pipe.
    4. Attach a new clamp to the tailpipe and center exhaust pipe. Then install the bolt to the clamp.

      Torque: 32 N.m (326 kgf/cm, 24 ft.lbf) 

      HINT: 

      Install the clamp within the angle range shown in the illustration.

  13. INSPECT FOR EXHAUST GAS LEAK 

    See step  13