Toyota Sienna Service Manual: Disassembly
1. REMOVE CYLINDER BOOT
(a) Using a screwdriver, remove the set ring and cylinder boot.
2. REMOVE REAR DISC BRAKE PISTON
(a) Place a shop rug, between the rear disc brake piston and the disc brake cylinder.
(b) Use compressed air to remove the rear disc brake piston from the disc brake cylinder.
| CAUTION: Do not place your fingers in front of the piston when using compressed air. |
NOTICE: Do not spatter the brake fluid.
3. REMOVE PISTON SEAL
(a) Using a screwdriver, remove the piston seal from the disc brake cylinder assembly rear LH.
NOTICE: Do not damage the inner cylinder and cylinder groove.
4. REMOVE REAR DISC BRAKE BLEEDER PLUG CAP
5. REMOVE REAR DISC BRAKE BLEEDER PLUG
(a) Remove the rear disc brake bleeder plug from the disc brake cylinder assembly rear LH.
6. REMOVE REAR DISC
(a) Make matchmarks on the rear disc and the axle hub.
(b) Remove the rear disc.
Removal
HINT:
Remove the RH side by the same procedure as the LH side.
1. REMOVE REAR WHEEL
2. DRAIN BRAKE FLUID
NOTICE:
Wash the brake fluid off immediately if it attaches to
any painted surface.
3. S ...
Inspection
1. INSPECT BRAKE CYLINDER AND PISTON
(a) Check the brake cylinder bore and rear disc brake
piston for rust or scoring.
2. INSPECT PAD LINING THICKNESS
(a) Using a ruler, measure the pad lining ...
Other materials:
Symptom simulation
HINT:
The most difficult case in troubleshooting is when no
problem symptoms occur. In such a case, a thorough
problem analysis must be carried out. A simulation of the
same or similar conditions and environment in which the
problem occurred in the customer's vehicle should be
carried out. No ...
Data list / active test
HINT:
By accessing the DATA LIST displayed on the intelligent
tester, you can perform such functions as reading the values
of switches and sensors without removing any parts. Reading
the DATA LIST as the first step in troubleshooting is one
method to shorten labor time.
1. DATA LIST FOR CENTER ...
Data list / active test
1. DATA LIST
(a) While the intelligent tester is connected to the DLC3
with the ignition switch in the ON position, the ABS
data list can be displayed. Follow the prompts on
the tester screen to access the DATA LIST.
2. ACTIVE TEST
HINT:
Performing the ACTIVE TEST using the intelligent te ...