Toyota Sienna Service Manual: 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 thickness.
Standard thickness: 11.0mm (0.433 in.) Minimum thickness: 1.0 mm (0.039 in.)
3. INSPECT REAR DISC BRAKE PAD SUPPORT PLATE
(a) Inspect the rear brake disc pad support plate (No. 1) and rear brake disc pad support plate (No. 2). Make sure that they have sufficient rebound, no deformation, cracks or wear, and have had all rust and dirt cleaned off.
4. INSPECT DISC THICKNESS
(a) Using a micrometer, measure the disc thickness.
Standard thickness: 12.0mm (0.472 in.) Minimum thickness: 10.5 mm (0.413 in.)
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 ...
Reassembly
1. INSTALL REAR DISC
(a) Aligning the matchmarks, install the rear disc.
HINT:
Select the installation position where the disc has
the minimum runout.
2. INSPECT DISC RUNOUT
(a) Temporarily ...
Other materials:
Installation
1. INSTALL REAR AXLE HUB & BEARING ASSEMBLY LH
(a) Install the hub & bearing assembly LH with the 4
bolts.
Torque: 56 N*m (571 kgf*cm, 41 ft.*lbf)
2. INSPECT BEARING BACKLASH (See page AH-19)
3. INSPECT AXLE HUB DEVIATION (See page AH-19)
4. INSTALL REAR DRIVE SHAFT ASSEMBLY LH (Se ...
Disassembly
1. INSPECT PACK CLEARANCE OF FORWARD
CLUTCH
HINT:
(See page AX-242)
2. REMOVE FORWARD MULTIPLE DISC CLUTCH DISC
(a) Using a screwdriver, remove the snap ring.
(b) Remove the flange, 5 discs and 5 plates from the
input shaft assembly.
3. REMOVE FORWARD CLUTCH RETURN SPRING
SUB-ASSEMB ...
How to proceed with
troubleshooting
HINT:
Troubleshoot in accordance with the procedures on the
following pages.
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK
3 INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE MULTIPLEX
COMMUNICATION SYSTEM (BEAN)
Use the intelligent tester to check for norma ...
