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:
Sliding roof switch assembly
ON-VEHICLE INSPECTION
1. INSPECT SLIDING ROOF SWITCH ASSEMBLY
Remove the switch.
Check the resistance between the terminals when
operating the switch.
Resistance
If the result is not as specified, replace the switch
set. ...
Seating configuration variation
Cargo capacity
Weight of the removed second
seat
If removing the second seats, it is possible to load extra cargo equal
to the weight of the removed seats.
(Cargo capacity) = (Total load capacity) - (Total weight of occupants) +
(Weight of the removed second seats)
Second seats w ...
On-vehicle inspection
1. INSPECT OCCUPANT CLASSIFICATION ECU
(VEHICLE NOT INVOLVED IN COLLISION)
Perform a diagnostic system check.
2. INSPECT OCCUPANT CLASSIFICATION ECU
(VEHICLE INVOLVED IN COLLISION)
Perform a diagnostic system check.
Even if the airbag was not deployed, check if there
is ...
