Toyota Sienna Service Manual: Inspection
1. INSPECT THERMOSTAT
(a) Inspect the thermostat.
HINT: The valve opening temperature is inscribed on the thermostat.
(b) Immerse the thermostat in water and gradually heat the water.
(c) Check the valve opening temperature.
Valve opening temperature: 80 to 84°C (176 to 183°F) If the valve opening temperature is not as specified, replace the thermostat.
(d) Check the valve lift.
Valve lift: 7.7 mm (0.303 in.) or more at 95°C (203°F) If the valve lift is not as specified, replace the thermostat.
(e) Check that the valve is fully closed when the thermostat is at low temperatures (below 40°C (104°F)).
If it is not fully closed, replace the thermostat.
Removal
1. REMOVE V-BANK COVER SUB-ASSEMBLY (See
page EM-28)
2. REMOVE NO. 1 ENGINE UNDER COVER (See page
EM-26)
3. DRAIN ENGINE COOLANT (See page CO-6)
4. REMOVE FRONT WHEEL RH
5. REMOVE FRONT FENDER A ...
Installation
1. Install thermostat
(a) Install a new gasket to the thermostat.
(b) Install the thermostat with the jiggle valve facing up.
Hint:
the jiggle valve may be set within 10° on either side
of ...
Other materials:
Problem symptoms table
HINT:
Proceed to the troubleshooting for each circuit in the table
below.
AIRBAG SYSTEM
Symptom
Suspected Area
The SRS warning light goes off after the primary
check, but then comes on.
SRS Warning Light Remains ON
When the ignition switch is turned to t ...
Installation
1. INSTALL CIGARETTE LIGHTER ASSEMBLY
Engage the 2 claws to install the cigarette lighter
assembly.
Install the cigarette lighter knob.
2. INSTALL CIGARETTE LIGHTER COVER
Engage the 2 claws to install the cigarette lighter
cover.
3. INSTALL INSTRUMENT CL ...
Power steering fluid
Bleeding
1. BLEED POWER STEERING SYSTEM
(a) Check the fluid level (See page PS-2).
(b) Jack up the front of the vehicle and support it with
stands.
(c) Turn the steering wheel.
(1) With the engine stopped, turn the steering
wheel slowly from lock to lock several times.
(d) Lower the ...
