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:
Inspection
1. INSPECT STEERING PAD SWITCH LH (w/o
Navigation System)
Measure the resistance according to the values in
the table below.
Standard resistan
If the result is not as specified, replace the steering
pad switch LH.
2. INSPECT STEERING PAD SWITCH RH (w/ Navigation
System)
...
Problem symptoms table
HINT:
Use the table below to help determine the cause of the
problem symptom. The likely causes of the problem are
indicated in descending order. Check each suspected area
in order. Repair or replace faulty parts or perform
adjustments as necessary.
Inspect the fuse and rel ...
Sliding door child-protector locks
The sliding door cannot be
opened by the inside door handle
and the second seat sliding door
switch when the lock is set.
Unlock
Lock
These locks can be set to prevent
children from opening the sliding
doors. Push down on each sliding
door switch to lock that sliding
door.
The p ...
