Installation [08/2015 - 08/2018]: Procedure

WARNING: This page is about a different car, the 2018 Toyota Sequoia, 2017 Toyota Sequoia, and 2016 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.

INSTALL MONOLITHIC CONVERTER PROTECTOR (for Bank 1)

Courtesy 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.
INSTALL NO. 1 MONOLITHIC CONVERTER PROTECTOR (for Bank 1)

Courtesy 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 the 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.
INSTALL MONOLITHIC CONVERTER PROTECTOR (for Bank 2)

Courtesy 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.
INSTALL NO. 1 MONOLITHIC CONVERTER PROTECTOR (for Bank 2)

Courtesy 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.
INSTALL AIR FUEL RATIO SENSOR (for Bank 1 Sensor 1)
Refer to PROCEDURE - Step 2
INSTALL AIR FUEL RATIO SENSOR (for Bank 2 Sensor 1)
Refer to PROCEDURE - Step 1
INSTALL FRONT EXHAUST PIPE ASSEMBLY

Courtesy 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.

INSTALL FRONT NO. 2 EXHAUST PIPE ASSEMBLY

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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)
Connect the air fuel ratio sensor connector.

Connect the front No. 3 exhaust pipe to the exhaust pipe support.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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)

INSTALL HEATED OXYGEN SENSOR (for Bank 1 Sensor 2)
Refer to PROCEDURE - Step 2
INSTALL HEATED OXYGEN SENSOR (for Bank 2 Sensor 2)
Refer to PROCEDURE - Step 1
INSTALL CENTER EXHAUST PIPE ASSEMBLY

Courtesy 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)

INSTALL TAILPIPE ASSEMBLY

Connect the tailpipe to the exhaust pipe support.

Install a new gasket to the center exhaust pipe.

Connect the tailpipe to the center exhaust pipe.
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.

INSPECT FOR EXHAUST GAS LEAK
See step 13