Toyota Sienna Service Manual: Inspection
1. INSPECT POWER STEERING RACK
(a) Using a dial indicator, check the power steering rack for runout and for teeth wear and damage.
Maximum runout: 0.3 mm (0.012 in.) If necessary, replace the rack & pinion power steering gear assembly.
(b) Check the back surface for wear and damage.
If necessary, replace the rack & pinion power steering gear assembly.
2. INSPECT TIE ROD ASSEMBLY LH
(a) Secure the tie rod assembly in a vise.
(b) Install the nut to the stud bolt.
(c) Flip the ball joint stud back and forth 5 times.
(d) Using a torque wrench, turn the nut continuously at a rate of 3 to 5 seconds per turn and take the torque reading on the 5th turn.
Torque: Turning torque 0.83 to 3.43 N*m (8.5 to 35.0 kgf*cm, 7.3 to 30.4 in.*lbf)
3. INSPECT TIE ROD ASSEMBLY RH
HINT: Perform the same procedure on the other side.
Disassembly
1. REMOVE RETURN TUBE NO.2
(a) Using SST, remove the return tube No. 2.
SST 09023-12701
2. REMOVE STEERING LEFT TURN PRESSURE TUBE
(a) Using SST, remove the left turn pressure tube.
S ...
Reassembly
1. INSTALL RACK STEERING PISTON RING
(a) Coat a new O-ring with power steering fluid and
install it onto the power steering rack.
(b) Expand a new rack steering piston ring with your
fingers ...
Other materials:
Terminals of ECU
1. CHECK INSTRUMENT PANEL J/B ASSEMBLY
(MULTIPLEX NETWORK BODY ECU)
Disconnect the B6, B7 and B9 ECU connectors.
Disconnect the 1A, 1C, 1L and 1K J/B connectors.
Measure the voltage and resistance between each
terminal of the wire harness side connectors and
body gro ...
Reassembly
1. INSTALL GENERATOR ROTOR ASSEMBLY
(a) Place the drive end frame on the clutch pulley.
(b) Install the generator rotor assembly to the drive end
frame.
(c) Place a new generator washer on the generator
rotor.
2. INSTALL GENERATOR COIL ASSEMBLY
(a) Using a deep socket wrench (21 ...
On-vehicle inspection
1. INSPECT THROTTLE BODY
Listen to the throttle control motor operating sounds.
Turn the ignition switch to the ON position.
When pressing the accelerator pedal position
sensor lever, listen to the running motor. Make
sure that no friction noise comes from the
motor.
...
