Toyota Sienna Service Manual: 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 fasten the disc with the hub nuts.
Torque: 103 N*m (1,050 kgf*cm, 76 ft.*lbf)
(b) Using a dial indicator, measure the disc runout 10 mm (0.39 in.) away from the outer edge of the disc.
Maximum disc runout: 0.10 mm (0.0039 in.) (c) If the disc runout is the maximum value or greater, check the bearing play in the axial direction and check for the axle hub runout (See page AH-16). If the bearing play and axle hub runout are normal, adjust the disc runout or grind it on a "On-car" brake lathe.
3. ADJUST PARKING BRAKE SHOE CLEARANCE
4. TEMPORARILY TIGHTEN REAR DISC BRAKE BLEEDER PLUG
(a) Temporarily install the rear disc brake bleeder plug to the disc brake cylinder assembly rear LH.
5. INSTALL REAR DISC BRAKE BLEEDER PLUG CAP
6. INSTALL PISTON SEAL
(a) Apply lithium soap base glycol grease to a new piston seal.
(b) Install the piston seal to the disc brake cylinder assembly rear LH.
7. INSTALL REAR DISC BRAKE PISTON
(a) Apply lithium soap base glycol grease to the rear disc brake piston and new cylinder boot.
(b) Install the cylinder boot to the rear disc brake piston.
(c) Install the rear disc brake piston to the disc brake cylinder assembly rear LH.
NOTICE: Do not install the piston forcibly in the disc brake cylinder.
8. INSTALL CYLINDER BOOT
(a) Install a new cylinder boot to the rear disc brake cylinder sub-assembly.
NOTICE: Install the boot securely to the grooves of the cylinder and piston.
(b) Using a screwdriver, install the set ring.
9. INSTALL REAR DISC BRAKE BUSH DUST BOOT
(a) Install the 2 rear disc brake bush dust boot to the disc brake cylinder mounting LH.
10. INSTALL REAR DISC BRAKE CYLINDER SLIDE PIN
(a) Apply the lithium soap base glycol grease to the sealing surface of the 2 rear disc brake cylinder slide pins.
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 ...
Installation
HINT:
Install the RH side by the same procedure as the LH side.
1. INSTALL REAR DISC BRAKE CYLINDER MOUNTING
LH
(a) Install the rear disc brake cylinder mounting LH with
the 2 bolts.
Torque: 8 ...
Other materials:
On-vehicle inspection
1. INSPECT MASS AIR FLOW METE
NOTICE:
Perform the mass air flow (MAF) meter inspection
by following the procedures below.
Only replace the MAF meter when the MAF value
in the DATA LIST (with the engine stopped) are
not within the normal operating range or there is
fore ...
Removal
1. REMOVE BACK DOOR CENTER GARNISH
Using a clip remover, disengage the 5 clips to
remove the back door center garnish.
2. REMOVE REAR SPOILER
Disconnect the center stop light connector.
Remove the 3 nuts.
Using a clip remover, disengage the 2 clips to
remove the rear s ...
How to proceed with
troubleshooting
HINT:
*: Use the intelligent tester.
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
Confirm problem symptoms
3 CHECK MULTIPLEX COMMUNICATION SYSTEM*
Check if the multiplex communication system DTC is
output.
HINT:
The center airbag sensor assembly of this system is
co ...
