Toyota Sienna Service Manual: Disassembly
1. REMOVE FRONT DISC BRAKE BUSH DUST BOOT
(a) Using soft jaws on the vise, hold the front disc brake cylinder mounting LH in the vise through aluminum plates.
(b) Using a screwdriver and hammer, remove the 2 front disc brake bush dust boots from the front disc brake cylinder mounting LH.
2. REMOVE CYLINDER BOOT
(a) Using a screwdriver, remove the set ring and cylinder boot.
3. REMOVE FRONT DISC BRAKE PISTON
(a) Place a shop rug, between the front disc brake piston and the disc brake cylinder sub-assembly.
(b) Use compressed air to remove the front disc brake piston from the disc brake cylinder sub-assembly.
| CAUTION: Do not place your fingers in front of the piston when using compressed air. |
NOTICE: Do not spatter the brake fluid.
4. REMOVE PISTON SEAL
(a) Using a screwdriver, remove the piston seal from the front disc brake cylinder sub-assembly.
NOTICE: Do not damage the inner cylinder and cylinder groove.
5. REMOVE FRONT DISC BRAKE BLEEDER PLUG
(a) Remove the front disc brake bleeder plug from the front disc brake cylinder sub-assembly.
6. REMOVE FRONT DISC BRAKE BLEEDER PLUG CAP
7. REMOVE FRONT DISC
(a) Place matchmarks on the front disc and the axle hub.
(b) Remove the front disc.
Removal
HINT:
Remove the RH side by the same procedure as the LH side.
1. REMOVE FRONT WHEEL
2. DRAIN BRAKE FLUID
NOTICE:
Wash the brake fluid off immediately if it attaches to
any painted surface.
3. ...
Inspection
1. INSPECT BRAKE CYLINDER AND PISTON
(a) Check the brake cylinder bore and front disc brake
piston for rust or scoring.
2. INSPECT PAD LINING THICKNESS
(a) Using a ruler, measure the pad linin ...
Other materials:
Abnormal Temperature Inside ID1 Tire
DESCRIPTION
Each tire pressure warning valve and transmitter measures the internal
temperature of its tire as well as
tire pressure, and transmits the information to the tire pressure warning ECU
along with the transmitter ID.
If the measured temperature is out of the specified range, t ...
Zero Point Calibration of Yaw Rate Sensor Undone
DESCRIPTION
The skid control ECU receives signals from the yaw rate sensor via CAN
communication system.
Yaw rate sensor has the built-in deceleration sensor.
If there is trouble in the bus lines between the yaw rate and deceleration
sensor and CAN communication
system, the DTC U0123 ...
Reassembly
1. INSTALL SEAT POSITION AIRBAG SENSOR (for Driver Seat)
2. INSTALL LUMBAR SUPPORT ADJUSTER
ASSEMBLY LH
Install the seat side table leg cover.
3. INSTALL FRONT SEAT CUSHION SHIELD LOWER LH
Install the front seat cushion shield lower LH with
the screw.
4. INSTALL FRONT SEAT CU ...
