Toyota Sienna Service Manual: 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 vehicle.
(e) Start the engine.
(1) Run the engine at idle for a few minutes.
(f) Turn the steering wheel.
(1) With the engine idling, turn the steering wheel left or right to the full lock position and keep it in that position for 2 to 3 seconds, then turn the steering wheel to the opposite full lock position and keep it there for 2 to 3 seconds.
(2) Repeat this procedure several times.
(g) Stop the engine.
(h) Check for foaming or emulsification.
HINT: If the system has to be bled twice because of forming or emulsification, be sure to check for fluid leaks in the system.
(i) Check the fluid level (See page PS-2).
On-vehicle inspection
1. INSPECT DRIVE BELT
(a) Visually check the drive belt for excessive wear,
frayed cords, etc.
If any defect is found, replace the drive belt.
HINT:
Cracks on the rib side of a belt are con ...
Vane pump
COMPONENTS
...
Other materials:
Coolant
Replacement
1. REMOVE NO. 1 ENGINE UNDER COVER (See page
EM-26)
2. REMOVE V-BANK COVER SUB-ASSEMBLY (See
page EM-28)
3. DRAIN ENGINE COOLANT
(a) Loosen the radiator drain cock plug.
HINT:
Collect the coolant in a container and dispose of it
according to the regulations in your area.
(b ...
Installation
HINT:
Use the same procedures for the RH side and LH side.
The procedures listed below are for the LH side.
1. INSTALL SIDE AIRBAG SENSOR LH
Check that the ignition switch is off.
Check that the battery negative (-) terminal is
disconnected.
CAUTION:
...
On-vehicle inspection
1. INSPECT CURTAIN SHIELD AIRBAG ASSEMBLY
(VEHICLE NOT INVOLVED IN COLLISION)
Perform a diagnostic system check.
With the curtain shield airbag assembly installed on
the vehicle, perform a visual check. If there are any
defects as mentioned below, replace the front pillar
garn ...
