Toyota Sienna Quiz
Engine

Removal

In this manual: Engine
Introduction — 55Service specifications — 7Maintenance — 7Engine — 264U151e automatic transaxle — 108Transfer — 19Propeller shaft — 8Drive shaft — 14Differential — 16Axle — 18Suspension — 37Tire and wheel — 54Brake control — 141Parking brake — 16Steering Column — 11Power steering — 18Air conditioning — 106Supplemental restraint system — 146Seat belt — 22Theft deterrent — 14Engine immobiliser — 17Cruise control — 65Lighting — 61Wiper and washer — 13Door lock — 42Meter — 28Audio / visual — 94Navigation — 108Park assist / monitoring — 33Horn — 5Garage door opener — 42GR-FE Engine control system — 126Supplemental restraint system — 147Other system — 14Windshield / windowglass — 43Mirror — 23Instrument panel — 6Seat belt — 22Seat — 92Engine hood / door — 104Exterior — 39Interior — 5Sliding roof — 9Multiplex communication — 18Can communication — 23
~1min read
1special tools

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINALV

Caution: wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.

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

emove 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.

REMOVE CENTER EXHAUST PIPE ASSEMBLY
REMOVE CENTER EXHAUST PIPE ASSEMBLY

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

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

REMOVE CENTER EXHAUST PIPE ASSEMBLY

4. REMOVE EXHAUST MANIFOLD RH

REMOVE EXHAUST MANIFOLD RH

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

REMOVE EXHAUST MANIFOLD RH

(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)

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

(a) Using SST, remove the sensor.

SST 09224-00010

Test yourself

A quick Toyota Sienna quiz: every answer comes with an explanation and a link to the manual page.