Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Installation

INSTALLATION

PROCEDURE

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

HINT:

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

Click here

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

SST: 09224-00012

Torque:

Specified tightening torque :

44 N·m {449 kgf·cm, 32 ft·lbf}

NOTICE:

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

HINT:

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)

*a	Torque Wrench Fulcrum Length

(b) Engage the 2 wire harness clamps.

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

HINT:

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

Click here

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

SST: 09224-00012

Torque:

Specified tightening torque :

44 N·m {449 kgf·cm, 32 ft·lbf}

NOTICE:

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

HINT:

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)

*a	Torque Wrench Fulcrum Length

(b) Connect the air fuel ratio sensor connector.

3. INSTALL V-BANK COVER SUB-ASSEMBLY

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4. INSPECT FOR EXHAUST GAS LEAK

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5. PERFORM INITIALIZATION

(a) Perform "Inspection After Repair" after replacing an air fuel ratio sensor.

Click here

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Toyota Entune System(for Hv Model): Operation Check
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Toyota Avalon (XX50) 2019-2022 Owners Manual