Toyota Sienna Service Manual: Removal

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINALV

2. Remove air fuel ratio sensor (for bank 2 sensor 1)

(a) Disconnect the sensor connector.

(b) Using SST, remove the sensor from the exhaust manifold.V

Sst 09224-00010

3. REMOVE CENTER EXHAUST PIPE ASSEMBLY

(a) Disconnect the heated oxygen sensor (for Bank 1 Sensor 2) connector under the center console.

(b) Remove the clip as shown in the illustration.

(c) Remove the 2 bolts and 2 compression springs.

(d) Remove the 2 bolts, 2 nuts and center exhaust pipe assembly.

4. REMOVE EXHAUST MANIFOLD RH

(a) Remove the nut, bolt and exhaust manifold stay.

(b) Remove the 6 nuts and exhaust manifold RH.

(c) Remove the gasket and exhaust manifold to head gasket.

5. REMOVE AIR FUEL RATIO SENSOR (for Bank 1 Sensor 1)

(a) Using SST, remove the sensor.

SST 09224-00010