Toyota Sienna Service Manual: Installation
1. Install heated oxygen sensor (for bank 2 sensor 2) (see page ec-34)
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 4 nuts.
Torque: 62 n*m (632 kgf*cm, 46 ft.*Lbf)
3. INSTALL CENTER EXHAUST PIPE ASSEMBLY
(a) Using a vernier caliper, measure the free length of the compression spring.
Minimum length: 38.86 mm (1.5299 in.)
If the length is less than the minimum, replace the compression spring.
(b) Install a new gasket by hand so that its surface is flush with the front exhaust pipe assembly.
NOTICE:
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(c) Connect the 2 exhaust pipe supports, and install the center exhaust pipe assembly.
(d) Install the 2 compression springs and 2 bolts.
Torque: 43 N*m (438 kgf*cm, 32 ft.*lbf)
(e) Connect the heated oxygen sensor (for bank 2 sensor 2) connector.
4. INSTALL NO. 1 EXHAUST PIPE SUPPORT BRACKET
(a) Install the No. 1 exhaust pipe support bracket to oil pan sub-assembly with 2 new nuts.
Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf) (b) Loosen the No. 1 exhaust pipe support bracket bolts.
(c) Install the clamp to No. 1 exhaust pipe support bracket.
(d) Retighten the No. 1 exhaust pipe support bracket bolts.
Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf) (e) Install the clamp with the bolt.
Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf)
5. INSTALL TAIL EXHAUST PIPE ASSEMBLY
(a) Install a new gasket to the center exhaust pipe assembly.
(b) Connect the 3 exhaust pipe supports, and install the tail exhaust pipe assembly.
(c) Install 2 new bolts.
Torque: 43 N*m (438 kgf*cm, 32 ft.*lbf)
6. INSTALL HEATED OXYGEN SENSOR (for Bank 1 Sensor 2) (See page EC-36) 7. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
8. INSPECT FOR EXHAUST GAS LEAK
If exhaust gas is leaking, repair the leak. Replace damaged parts as necessary.
Removal
1. Disconnect cable from negative battery
terminal
2. REMOVE HEATED OXYGEN SENSOR (for Bank 1
Sensor 2) (See page EC-32)
3. REMOVE TAIL EXHAUST PIPE ASSEMBLY
(a) Remove the 2 bolts.
(b) Discon ...
Exhaust pipe (for 4wd)
Components
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Other materials:
Things you should know
If you notice any symptoms
If you notice any of the following symptoms, refer to the likely cause
and the solution, and re-check.
If the symptom is not resolved by the solution, have the vehicle
inspected by your Toyota dealer.
Likely cause
Solution
The ima ...
Throttle Actuator Control Motor Circuit
DESCRIPTION
The throttle actuator is operated by the ECM and opens and closes the
throttle valve using gears.
The opening angle of the throttle valve is detected by the Throttle Position
(TP) sensor, which is mounted
on the throttle body. The TP sensor provides feedback to the ECM. This ...
Fuel pump shut off
system
To minimize the risk of fuel leakage when the engine stalls or
when an airbag inflates upon collision, the fuel pump shut off
system stops the supply of fuel to the engine.
Follow the procedure below to restart the engine after the system is
activated.
Vehicles without a smart key system
...
