Toyota Sienna Service Manual: Disassembly
1. Remove rear wheel
2. Drain brake fluid
Notice: wash the brake fluid off immediately if it attaches to any painted surface.
3. REMOVE REAR BRAKE DRUM SUB-ASSEMBLY
(a) Release the parking brake lever, and remove the rear brake drum.
HINT: If the rear brake drum cannot be removed easily, perform the following procedure.
(b) Remove the hole plug and insert a screwdriver through the hole in the backing plate, and hold the automatic adjusting lever away from the adjuster.
(c) Using another screwdriver, reduce the brake shoe adjuster by turning the adjusting wheel.
4. REMOVE FRONT BRAKE SHOE
(a) Using SST, remove the shoe return spring from the front brake shoe.
SST 09921-00010
(b) Using a needle-nose pliers, remove the return spring.
(c) Using SST, remove the shoe hold down spring cup, shoe hold down spring and pin.
SST 09718-00010 (d) Remove the parking brake shoe strut LWR.
(e) Remove the tension spring and front brake shoe.
(f) Remove the automatic adjust lever spring and rear brake automatic adjust lever LH from the front brake shoe.
5. REMOVE REAR BRAKE SHOE
(a) Using SST, remove the shoe hold down spring cup, shoe hold down spring and pin.
SST 09718-00010
(b) Using a needle-nose pliers, disconnect the parking brake cable No. 3 and remove the rear brake shoe.
(c) Using a screwdriver, remove the 2 C-washers, parking brake shoe lever, parking brake reaction lever LH and rear brake strut set.
6. REMOVE LH, FRONT OR UPPER REAR WHEEL BRAKE CYLINDER ASSEMBLY
(a) Using SST, disconnect the brake tube, use a container to catch the brake fluid.
SST 09023-00101
(b) Remove the 2 bolts and rear wheel brake cylinder assembly.
7. REMOVE REAR WHEEL CYLINDER CUP KIT
(a) Remove the 2 cylinder dust boots from the rear wheel brake cylinder assembly.
(b) Remove the 2 pistons and compression spring.
(c) Remove the 2 wheel cylinder cups from each piston.
(d) Remove the bleeder plug cap and bleeder plug from the rear wheel brake cylinder assembly.
Rear drum brake
Components
...
Inspection
1. INSPECT BRAKE DRUM INSIDE DIAMETER
(a) Using a brake drum gauge or equivalent, measure
the inside diameter of the drum.
Standard inside diameter:
254.0 mm (10.00 in.)
Maximum inside diamet ...
Other materials:
Open in ABS Solenoid Relay Circuit
DESCRIPTION
This relay supplies power to each ABS solenoid.
Immediately after the ignition switch is turned to the ON position, the relay
turns on if the solenoid is
determined to be normal as a result of self-diagnosis during initial check.
The relay turns off if an open/short is dete ...
Warning lights and
indicators
The warning lights and indicators on the instrument cluster and
center panel inform the driver of the status of the vehicle’s various
systems.
For the purpose of explanation, the following illustration displays
all warning lights and indicators illuminated.
Vehicles with monochrome displ ...
A/F sensor and ho2s monitors
(a) Preconditions
The monitor will not run unless:
2 minutes or more have elapsed since the engine
was started.
The Engine Coolant Temperature (ECT) is 75°C
(167°F) or more.
Cumulative driving time at a vehicle speed of 30
mph (48 km/h) or more exceeds 6 minutes.
Air-fuel ratio fe ...
