Installation [01/2017 - ]: Procedure

1. Install the 2 No. 2 manifold converter insulators to the exhaust manifold assembly with the 8 bolts.

   Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

1. Install the 2 No. 1 manifold converter insulators to the exhaust manifold assembly with the 8 bolts.

   Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

1. Install the 2 No. 1 exhaust manifold heat insulators to the exhaust manifold assembly with the 6 bolts.

   Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

HINT: 

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

Refer to INITIALIZATION [01/2017 - 09/2018] , or refer to INITIALIZATION [09/2018 - 04/2020] , or refer to INITIALIZATION [04/2020 - ]

1. Using SST, install the air fuel ratio sensor to the exhaust manifold assembly RH.
   • SST: 09224-00012 

   Torque

   Specified tightening torque 

   44 N*m (449 kgf*cm, 32 ft.*lbf)

   NOTE:

   Replace with a new part if it is dropped or if it receives a strong impact.

   HINT: 

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

     Refer to PRECAUTION [01/2017 - 05/2023] , or refer to PRECAUTION [05/2023 - ]

   • 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)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *A	Bank 1 Sensor 1 Side
   *B	Bank 1 Sensor 2 Side
   *a	Torque Wrench Fulcrum Length

2. Install a new gasket to the cylinder head sub-assembly.
3. Temporarily install the exhaust manifold assembly RH with 4 new nuts.

   Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf) 

4. Tighten the 4 nuts in the sequence shown in the illustration.
   Fig 1: Exhaust Manifold Assembly RH Tightening Sequence

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT: 

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

Refer to INITIALIZATION [01/2017 - 09/2018] , or refer to INITIALIZATION [09/2018 - 04/2020] , or refer to INITIALIZATION [04/2020 - ]

1. Using SST, install the air fuel ratio sensor to the exhaust manifold assembly LH.
   • SST: 09224-00012 

   Torque

   Specified tightening torque 

   44 N*m (449 kgf*cm, 32 ft.*lbf)

   NOTE:

   Replace with a new part if it is dropped or if it receives a strong impact.

   HINT: 

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

     Refer to PRECAUTION [01/2017 - 05/2023] , or refer to PRECAUTION [05/2023 - ]

   • 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)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *A	Bank 2 Sensor 1 Side
   *B	Bank 2 Sensor 2 Side
   *a	Torque Wrench Fulcrum Length

2. Install a new gasket to the cylinder head sub-assembly LH.
3. Temporarily install the exhaust manifold assembly LH with 4 new nuts.

   Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf) 

4. Tighten the 4 nuts in the sequence shown in the illustration.
   Fig 2: Exhaust Manifold Assembly LH Tightening Sequence

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. For Bank 1 Sensor 1:
   1. Connect the connector.
   2. Attach the 3 wire harness clamps.
2. For Bank 1 Sensor 2:
   1. Connect the connector.
   2. Attach the 2 wire harness clamps.
3. For Bank 2 Sensor 1:
   1. Connect the connector.
   2. Attach the 4 wire harness clamps.
4. For Bank 2 Sensor 2:
   1. Connect the connector.
   2. Attach the 3 wire harness clamps.

Refer to PROCEDURE - Step 5 [01/2017 - 05/2023] , or refer to PROCEDURE - Step 5 [05/2023 - ]

Refer to PROCEDURE - Step 8 [01/2017 - 05/2023] , or refer to PROCEDURE - Step 8 [05/2023 - ]

Refer to PROCEDURE - Step 11 [01/2017 - 05/2023] , or refer to PROCEDURE - Step 11 [05/2023 - ]

Refer to INSTALLATION [01/2017 - 05/2023] , or refer to PROCEDURE - Step 12 [05/2023 - ]

1. Install the rear lower arm mounting reinforcement sub-assembly RH with the 4 bolts.

   Torque: 16 N*m (163 kgf*cm, 12 ft.*lbf) 

1. Attach the clamp, 4 clips and install the engine side cover RH.

1. Install the No. 1 exhaust pipe support bracket sub-assembly with the 2 bolts.

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

See step  2

See step  7

See step  8

See step  9

See step  10

See step  11

See step  12

See step  13

Refer to PROCEDURE - Step 114 [01/2017 - 06/2019] , or refer to PROCEDURE - Step 114 [06/2019 - 05/2023] , or refer to PROCEDURE - Step 114 [05/2023 - ]

1. Install the front fender apron insulator LH with the 3 bolts.

   Torque: 5.4 N*m (55 kgf*cm, 48 in.*lbf) 

1. Install a new O-ring to the No. 2 engine oil level dipstick guide.
2. Install the No. 2 engine oil level dipstick guide with the bolt.

   Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf) 

3. Install the engine oil level dipstick to the No. 2 engine oil level dipstick guide.

Refer to PROCEDURE - Step 4

Refer to PROCEDURE - Step 5

Refer to PROCEDURE - Step 7 [01/2017 - 06/2019] , or refer to PROCEDURE - Step 7 [06/2019 - 05/2023] , or refer to PROCEDURE - Step 7 [05/2023 - ]

1. Attach the 9 clips to install the lower radiator air deflector.

1. Attach the 6 clips to install the radiator support to frame seal RH.

Refer to PROCEDURE - Step 118 [01/2017 - 06/2019] , or refer to PROCEDURE - Step 118 [06/2019 - 05/2023] , or refer to PROCEDURE - Step 118 [05/2023 - ]

See step  14