TOYOTA SIENNA 2007 Service Repair Manual

PB–12PARKING BRAKE – PARKING BRAKE CABLE
PB
INSTALLATION
1. INSTALL PARKING BRAKE CABLE ASSEMBLY NO.3
(a) Install the parking brake cable LH guide to the
parking brake cable assembly No. 3.
(b) Connect the parking brake cable No. 3 to the
parking brake cable equalizer.
(c) Install the parking brake cable No. 3 with the 3 bolts
and button.
Torque: Bolt (A)
5.4 N*m (55 kgf*cm, 48 in.*lbf)
Bolt (B)
8 N*m (82 kgf*cm, 71 in.*lbf)
F045028E01

PARKING BRAKE – PARKING BRAKE CABLEPB–13
PB
2. CONNECT PARKING BRAKE CABLE ASSEMBLY
NO.3
(a) Install the parking brake cable No. 3 with the 2 bolts
to the backing plate.
Torque: 8 N*m (82 kgf*cm, 71 in.*lbf)
3. APPLY HIGH TEMPERATURE GREASE (for Drum
Type) (See page BR-40)
4. INSTALL REAR BRAKE SHOE (for Drum Type) (See
page BR-40)
5. INSTALL FRONT BRAKE SHOE (for Drum Type) (See
page BR-40)
6. CHECK REAR DRUM BRAKE INSTALLATION (for
Drum Type) (See page BR-42)
7. INSTALL REAR BRAKE DRUM SUB-ASSEMBLY (for
Drum Type)
8. ADJUST REAR DRUM BRAKE SHOE CLEARANCE
(for Drum Type) (See page BR-42)
9. INSPECT PARKING BRAKE PEDAL TRAVEL (for
Drum Type) (See page PB-1)
10. ADJUST PARKING BRAKE PEDAL TRAVEL (for
Drum Type) (See page PB-1)
11. APPLY HIGH TEMPERATURE GREASE (for Disc
Type) (See page PB-16)
12. INSTALL PARKING BRAKE SHOE ASSEMBLY LH
NO.2 (for Disc Type) (See page PB-17)
13. INSTALL PARKING BRAKE SHOE ADJUSTING
SCREW SET (for Disc Type)
14. INSTALL PARKING BRAKE SHOE STRUT LH (for
Disc Type)
15. INSTALL PARKING BRAKE SHOE ASSEMBLY LH
NO.1 (for Disc Type) (See page PB-17)
16. CHECK PARKING BRAKE INSTALLATION (for Disc
Type) (See page PB-18)
17. INSTALL REAR DISC (for Disc Type) (See page BR-
33)
18. ADJUST PARKING BRAKE SHOE CLEARANCE (for
Disc Type) (See page PB-18)
19. CONNECT REAR DISC BRAKE CALIPER ASSEMBLY
LH (for Disc Type) (See page BR-35)
20. INSTALL REAR WHEEL
Torque: 103 N*m (1,050 kgf*cm, 76 ft.*lbf)
21. INSTALL PARKING BRAKE PEDAL TRAVEL (See
page PB-1)
22. ADJUST PARKING BRAKE PEDAL TRAVEL (See
page PB-1)
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PARKING BRAKE – PARKING BRAKE SYSTEMPB–1
PB
PARKING BRAKE SYSTEM
PROBLEM SYMPTOMS TABLE
Use the table below to help you find the cause of the problem.
The numbers indicate the likelihood of the cause in the
descending order. Check each part in the order shown.
Replace these parts as necessary.
PARKING BRAKE SYSTEM
Symptom Suspected area See page
Brake drag1. Parking brake pedal travel (Out of adjustment)PB-4
2. Parking brake wire (Sticking)PB-10
3. Parking brake shoe clearance (Out of adjustment)PB-15
4. Parking brake shoe lining (Cracked or distorted)PB-15
5. Tension or return spring (Damaged)PB-10

PB–2PARKING BRAKE – PARKING BRAKE SYSTEM
PB
ADJUSTMENT
1. REMOVE REAR WHEEL
2. ADJUST PARKING BRAKE SHOE CLEARANCE (See
page PB-18)
3. INSTALL REAR WHEEL
Torque: 103 N*m (1,050 kgf*cm, 76 ft.*lbf)
4. INSPECT PARKING BRAKE PEDAL TRAVEL
(a) Slowly depress the parking brake pedal all the way,
and count the number of clicks.
Parking brake pedal travel:
3 to 5 clicks at 294 N (30 kgf, 66.0 lbf)
5. DISCONNECT BATTERY NEGATIVE TERMINAL
6. REMOVE FRONT DOOR SCUFF PLATE LH
7. REMOVE COWL SIDE TRIM BOARD LH (See page IP-
6)
8. REMOVE INSTRUMENT PANEL FINISH PANEL SUB-
ASSEMBLY LOWER LH
9. ADJUST PARKING BRAKE PEDAL TRAVEL
(a) Depress the parking brake pedal 3 notches to make
a room for the procedure, and loosen the lock nut.
(b) Return the parking brake pedal to the original
position.
(c) Turn the adjusting nut until the parking brake pedal
travel corrects.
(d) Depress the parking brake pedal 3 notches to make
a room for the procedure, and tighten the lock nut.
Torque: 5.4 N*m (55 kgf*cm, 48 in.*lbf)
(e) Return the parking brake pedal to the original
position.
(f) Check whether the parking brake drags or not.
(g) When operating the parking brake pedal, check that
the parking brake pedal indicator light goes on.
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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
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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)

PARKING BRAKE – PARKING BRAKE PEDALPB–5
PB
REMOVAL
1. DISCONNECT BATTERY NEGATIVE TERMINAL
2. REMOVE FRONT DOOR SCUFF PLATE LH
3. REMOVE COWL SIDE TRIM BOARD LH
4. REMOVE INSTRUMENT PANEL FINISH PANEL SUB-
ASSEMBLY LOWER LH (See page IP-6)
5. REMOVE REAR DOOR SCUFF PLATE RH
6. REMOVE REAR DOOR SCUFF PLATE LH
7. REMOVE FRONT SEAT ASSEMBLY LH
HINT:
• Manual Seat Type (See page SE-48)
• Power Seat Type (See page SE-58)
• Fold Flat Type (See page SE-40)
8. REMOVE REAR SEAT NO.1 ASSEMBLY
HINT:
• Captain Seat Type (See page SE-68)
• Center Seat Type (See page SE-77)
9. REMOVE REAR FLOOR SEAT LOCK COVER
10. REMOVE REAR FLOOR SEAT LOCK COVER
11. REMOVE PARKING BRAKE CONTROL PEDAL
ASSEMBLY
(a) Remove the 4 nuts and separate the instrument
panel junction block assembly w/ wiring harness
connector from the body.
(b) Disconnect the parking brake switch connector.
(c) Remove the bolt, 2 nuts and parking brake control
pedal assembly.
DISASSEMBLY
1. REMOVE PARKING BRAKE PEDAL BRACKET
PROTECTOR
(a) Using a flat-head screwdriver, disengage the 2
claws on the parking brake pedal bracket protector.
F045025
F045029

PB–6PARKING BRAKE – PARKING BRAKE PEDAL
PB
(b) Turning the parking brake pedal bracket protector
clockwise, remove the parking brake pedal bracket
protector from the parking brake control pedal.
2. REMOVE PARKING BRAKE CABLE ASSEMBLY NO.1
(a) Remove the lock nut, adjusting nut, clip and
disconnect the parking brake cable assembly No. 1
from the parking brake control pedal assembly.
(b) Take up the floor carpet.
(c) Remove the 6 bolts and disconnect the parking
brake cable assembly No. 1 from the floor. (Except
7 Passenger Type)
(d) Remove the 7 bolts and disconnect the parking
brake cable assembly No. 1 from the floor. (7
Passenger Type)
(e) Disconnect the parking brake cable No. 1 from the
parking brake equalizer, and remove the parking
brake cable No. 1.
3. REMOVE PARKING BRAKE SWITCH ASSEMBLY
(a) Remove the screw and parking brake switch.
F045030
F045026
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