Toyota Sienna Service Manual: Installation

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

(a) Using SST, install the heated oxygen sensor to the front exhaust pipe.

SST 09224-00010

Torque: 40 N*m (408 kgf*cm, 30 ft.*lbf) for use with SST

44 N*m (449 kgf*cm, 32 ft.*lbf) for use without SST

HINT:

• Use a torque wrench with a fulcrum length of 30 cm (11.81 in.).
• Make sure that SST and a wrench are connected in a straight line.

2. INSTALL FRONT EXHAUST PIPE ASSEMBLY

(a) Install 2 new gaskets to the front exhaust pipe assembly.

(b) Install the front exhaust pipe assembly with the 2 bolts and 2 nuts.

Torque: Bolt 43 N*m (440 kgf*cm, 32 ft.*lbf)

Nut 62 N*m (632 kgf*cm, 46 ft.*lbf)

(c) Install the No. 1 exhaust pipe support bracket with 2 new nuts.

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

(d) Connect the heated oxygen sensor (for Bank 2 sensor 2) connector.

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

(a) Using SST, install the heated oxygen sensor.

SST 09224-00010

Torque: 40 N*m (408 kgf*cm, 30 ft.*lbf) for use with SST 44 N*m (449 kgf*cm, 32 ft.*lbf) for use without SST

(b) Connect the heated oxygen sensor (for Bank 1 Sensor 2) connector.

HINT:

• Use a torque wrench with a fulcrum length of 30 cm (11.81 in.).
• Make sure that SST and a wrench are connected in a straight line.

4. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

5. INSPECT FOR EXHAUST GAS LEAK