Toyota Tundra Service Manual: Installation

Toyota Tundra Service Manual / Engine, Hybrid System / 1ur-fe Engine Control / Air Fuel Ratio Sensor / Installation

INSTALLATION

CAUTION / NOTICE / HINT

HINT:

Perform "Inspection After Repairs" after replacing the air fuel ratio sensor (See page ).

PROCEDURE

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

HINT:

Perform "Inspection After Repairs" after replacing the air fuel ratio sensor (See page ).

(a) Install the air fuel ratio sensor to the front No. 2 exhaust pipe assembly by hand.

(b) Using SST, tighten the air fuel ratio sensor.

SST: 09224-00010

Torque:

without SST :

44 N·m {449 kgf·cm, 32 ft·lbf}

with SST :

40 N·m {408 kgf·cm, 30 ft·lbf}

Text in Illustration

*a

Fulcrum length

HINT:

  • Use a torque wrench with a fulcrum length of 30 cm (11.8 in.). When using a torque wrench with a fulcrum length that is not 30 cm (11.8 in.), calculate the torque specification for the torque wrench and SST based on the "without SST" torque specification (See page ).
  • Make sure SST and the wrench are connected in a straight line.

2. INSTALL FRONT NO. 2 EXHAUST PIPE ASSEMBLY

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

HINT:

Perform "Inspection After Repairs" after replacing the air fuel ratio sensor (See page ).

(a) Install the air fuel ratio sensor to the front exhaust pipe assembly by hand.

(b) Using SST, tighten the air fuel ratio sensor.

SST: 09224-00010

Torque:

without SST :

44 N·m {449 kgf·cm, 32 ft·lbf}

with SST :

40 N·m {408 kgf·cm, 30 ft·lbf}

HINT:

  • Use a torque wrench with a fulcrum length of 30 cm (11.8 in.). When using a torque wrench with a fulcrum length that is not 30 cm (11.8 in.), calculate the torque specification for the torque wrench and SST based on the "without SST" torque specification (See page ).
  • Make sure SST and the wrench are connected in a straight line.

4. INSTALL FRONT EXHAUST PIPE ASSEMBLY

(See page )

5. INSPECT FOR EXHAUST GAS LEAK

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