Toyota Sienna Service Manual: On-vehicle inspection
1. INSPECT FRONT AXLE HUB BEARING BACKLASH
(a) Using a dial gauge, check for backlash near the center of the axle hub.
Maximum: 0.05 mm (0.0020 in.)
If backlash exceeds the maximum, replace the bearing.
NOTICE: Ensure that the dial gauge is set at right angles to the measurement surface.
2. INSPECT FRONT AXLE HUB BEARING DEVIATION
(a) Using a dial gauge, check for deviation in the surface of the axle hub outside the hub bolt.
Maximum: 0.05 mm (0.0020 in.)
If deviation exceeds the maximum, replace the axle hub.
NOTICE: Ensure that the dial gauge is set at right angles to the measurement surface.
Front axle hub
COMPONENTS
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Removal
HINT:
Replace the RH side using the same procedures as for the
LH side.
1. REMOVE FRONT WHEEL
2. REMOVE FRONT AXLE HUB LH NUT (See page DS-
5)
3. SEPARATE SPEED SENSOR FRONT LH (See page
DS-5)
...
Other materials:
Disassembly
1. INSPECT UNDERDRIVE PACK CLEARANCE
HINT:
(See page AX-262)
2. REMOVE UNDERDRIVE CLUTCH FLANGE NO.2 HOLE
SNAP RING
a) Using a screwdriver, remove the underdrive clutch
flange No.2 snap ring.
3. REMOVE UNDERDRIVE CLUTCH DISC NO.1
(a) Remove the flange, 4 discs and 4 plates from the
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Removal
1. REMOVE REAR WHEEL
2. REMOVE TAIL EXHAUST PIPE ASSEMBLY (See page
EX-8)
3. SEPARATE REAR SPEED SENSOR
(a) Remove the bolt and the speed sensor from the
axle carrier.
NOTICE:
Be careful not to damage the speed sensor
Prevent foreign matter from adhering to the
speed sensor.
4. REMO ...
Yaw rate sensor check (when using sst check wire)
(a) Check the zero point voltage of the yaw rate sensor.
(1) Keep the vehicle in a stationary condition on a
level surface for 1 second or more.
(b) Check the output of the yaw rate sensor.
(1) Move the shift lever to the D position, drive the
vehicle at a speed of approximately 3 mph (5
...
