brake TOYOTA SIENNA 2007 Service Repair Manual

PARKING BRAKE – PARKING BRAKE CABLEPB–11
PB
F045028

PB–14PARKING BRAKE – PARKING BRAKE ASSEMBLY
PB
BRAKE
PARKING BRAKE
PARKING BRAKE ASSEMBLY
COMPONENTS
C119332E01

PARKING BRAKE – PARKING BRAKE ASSEMBLYPB–15
PB
DISASSEMBLY
HINT:
Overhaul the RH side by the same procedures as these of
the LH side.
1. REMOVE REAR WHEEL
2. SEPARATE REAR DISC BRAKE CALIPER
ASSEMBLY LH
HINT:
Do not disconnect the flexible hose from the brake
caliper.
3. REMOVE REAR DISC
(a) Release the parking brake, and remove the rear
disc.
HINT:
• Align matchmarks on the disc and the axle hub.
• If the disc cannot be removed easily, turn the
shoe adjuster until the wheel turns freely.
4. REMOVE PARKING BRAKE SHOE ASSEMBLY LH
NO.1
(a) Using needle-nose pliers, remove the 2 shoe return
tension springs.
(b) Disconnect the tension spring from the parking
brake shoe assembly LH No. 1.
(c) Slide out the parking brake shoe assembly LH No. 1
and remove the parking brake shoe assembly LH
No. 1.
(d) Remove the shoe hold-down compression spring, 2
cups and shoe hold-down compression spring pin
No. 1.
5. REMOVE PARKING BRAKE SHOE ADJUSTING
SCREW SET
6. REMOVE PARKING BRAKE SHOE STRUT LH
7. REMOVE PARKING BRAKE SHOE ASSEMBLY LH
NO.2
(a) Disconnect the return spring from the parking brake
shoe assembly LH No. 2 and remove the tension
spring.
(b) Slide out the parking brake shoe assembly LH No.
2.
(c) Remove the shoe hold-down compression spring, 2
cups and shoe hold-down compression spring pin
No. 2.
C064523E02
F012039
R000310

PB–16PARKING BRAKE – PARKING BRAKE ASSEMBLY
PB
(d) Using needle-nose pliers, disconnect the parking
brake cable No. 3 from the parking brake shoe lever
and remove the parking brake shoe assembly LH
No. 2.
8. REMOVE PARKING BRAKE SHOE LEVER LH
(a) Using a screwdriver, remove the C-washer.
(b) Remove the shim and shoe lever from the parking
brake shoe.
INSPECTION
1. INSPECT BRAKE DISC INSIDE DIAMETER
(a) Using a brake drum gauge or equivalent, measure
the inside diameter of the disc.
Standard inside diameter:
190 mm (7.480 in.)
Maximum inside diameter:
191 mm (7.520 in.)
2. INSPECT PARKING BRAKE SHOE LINING
THICKNESS
(a) Using a ruler, measure the thickness of the shoe
lining.
Standard thickness:
2.5 mm (0.098 in.)
Minimum thickness:
1.0 mm (0.039 in.)
3. INSPECT BRAKE DISC AND PARKING BRAKE SHOE
LINING FOR PROPER CONTACT
(a) Apply chalk to the inside surface of the disc, then
grind down the brake shoe lining to fit.
If the contact between the brake disc and the shoe
lining is improper, repair it using a brake shoe
grinder or replace the brake shoe assembly.
F040320
F006409
BR05332
BR00828

PARKING BRAKE – PARKING BRAKE ASSEMBLYPB–17
PB
REASSEMBLY
1. APPLY HIGH TEMPERATURE GREASE
(a) Apply the high temperature grease to the surface on
which the shoe and backing plate attach.
2. INSTALL PARKING BRAKE SHOE LEVER LH
(a) Install the shoe lever and shim to the rear shoe with
a new C-washer.
(b) Using a feeler gauge, measure the clearance.
Standard clearance:
Less than 0.35 mm (0.0138 in.)
If the clearance is not within the specification,
replace the shim with one of the correct size.
(c) Install the correct side shim with a new C-washer.
(d) Remeasure the clearance.
3. INSTALL PARKING BRAKE SHOE ASSEMBLY LH
NO.2
(a) Using needle-nose pliers, connect the parking brake
cable No. 3 to the parking brake shoe lever.
(b) Install the parking brake shoe assembly LH No. 2
with the shoe hold-down compression spring pin
No. 2, shoe hold-down compression spring and 2
cups.
4. INSTALL PARKING BRAKE SHOE ADJUSTING
SCREW SET
(a) Apply the high temperature grease to the adjusting
bolt.
(b) Install the parking brake shoe adjusting screw set
LH.
5. INSTALL PARKING BRAKE SHOE STRUT LH
R000343
Shim Thickness Shim Thickness
0.3 mm (0.012 in.) 0.9 mm (0.035 in.)
0.6 mm (0.024 in.) -
R000313
R000310
C054585

PB–18PARKING BRAKE – PARKING BRAKE ASSEMBLY
PB
6. INSTALL PARKING BRAKE SHOE ASSEMBLY LH
NO.1
(a) Install the parking brake shoe assembly LH No. 1
with the shoe hold-down compression spring pin
No. 1, shoe hold-down compression spring and 2
cups.
(b) Install the tension spring and 2 shoe return tension
springs.
7. CHECK PARKING BRAKE INSTALLATION
(a) Check that each part is installed properly.
NOTICE:
No oil or grease should be adhered to the
friction surface of the shoe lining and disc.
8. INSTALL REAR DISC
9. ADJUST PARKING BRAKE SHOE CLEARANCE
(a) Temporarily install the hub nuts.
(b) Remove the hole plug, and turn the adjuster and
expand the shoes until the disc locks.
(c) Contract the shoe adjuster until the disc can rotate
smoothly.
Standard:
Return 8 notches
(d) Check that the brake disc rotates smoothly.
(e) Install the hole plug.
F012039
F045276E01
F040026E02

PARKING BRAKE – PARKING BRAKE ASSEMBLYPB–19
PB
10. CONNECT REAR DISC BRAKE CALIPER ASSEMBLY
LH
11 . I NS TA L L R E A R WH E E L
Torque: 103 N*m (1,050 kgf*cm, 76 ft.*lbf)
12. INSPECT PARKING BRAKE PEDAL TRAVEL (See
page PB-1)
13. ADJUST PARKING BRAKE PEDAL TRAVEL (See
page PB-1)