Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 21 33 20422 w040001

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33-17
PARKING BRAKE - PARKING BRAKE ASSY
330C3-02

OVERHAUL
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 ASSY LH (See page 32-37 )
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:
S Align matchmarks on the disc and the axle hub.
S If the disc cannot be removed easily, turn the shoe adjust-
er until the wheel turns freely.
Contract

C64523

4. INSPECT BRAKE DISC INSIDE DIAMETER
(a) Using a brake drum gauge or equivalent, measure the in-
side diameter of the disc.
Standard inside diameter: 190 mm (7.480 in.)
Maximum inside diameter: 191 mm (7.520 in.)

F06409

5. REMOVE PARKING BRAKE SHOE ASSY LH NO.1
(a) Using needle-nose pliers, remove the 2 shoe return ten-
sion springs.
(b) Disconnect the tension spring from the parking brake
shoe assy LH No.1.
(c) Slide out the parking brake shoe assy LH No.1 and re-
move the parking brake shoe assy LH No.1.
(d) Remove the shoe hold-down compression spring, 2 cups
F12039 and shoe hold-down compression spring pin No.1.

6. REMOVE PARKING BRAKE SHOE ADJUSTING SCREW SET
7. REMOVE PARKING BRAKE SHOE STRUT LH

2005 SIENNA REPAIR MANUAL (RM1163U)

Author : Date : 2820
33-18
PARKING BRAKE - PARKING BRAKE ASSY

8. REMOVE PARKING BRAKE SHOE ASSY LH NO.2
(a) Disconnect the return spring from the parking brake shoe
assy LH No.2 and remove the tension spring.
(b) Slide out the parking brake shoe assy LH No.2.
(c) Remove the shoe hold-down compression spring, 2 cups
and shoe hold-down compression spring pin No.2.
(d) Using needle-nose pliers, disconnect the parking brake
cable No.3 from the parking brake shoe lever and remove
R00310 the parking brake shoe assy LH No.2.

9. 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.)

BR5332

10. 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 im-
proper, repair it using a brake shoe grinder or replace the brake
shoe assembly.

BR0828

11. 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.

F40320

12. APPLY HIGH TEMPERATURE GREASE
(a) Apply the high temperature grease to the surface on which the shoe and backing plate attach.

2005 SIENNA REPAIR MANUAL (RM1163U)

Author : Date : 2821
33-19
PARKING BRAKE - PARKING BRAKE ASSY

13. 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.
Shim Thickness Shim Thickness
0.3 mm (0.012 in.) 0.9 mm (0.035 in.)
0.6 mm (0.024 in.) -

R00343

R00313

14. INSTALL PARKING BRAKE SHOE ASSY 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 assy LH No.2 with the shoe
hold-down compression spring pin No.2, shoe hold-
down compression spring and 2 cups.

R00310

15. 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.

C54585

2005 SIENNA REPAIR MANUAL (RM1163U)

Author : Date : 2822
33-20
PARKING BRAKE - PARKING BRAKE ASSY

16. INSTALL PARKING BRAKE SHOE STRUT LH

17. INSTALL PARKING BRAKE SHOE ASSY LH NO.1
(a) Install the parking brake shoe assy 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.

F12039

18. 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.

RH LH

Front Front F45276

19. INSTALL REAR DISC

2005 SIENNA REPAIR MANUAL (RM1163U)

Author : Date : 2823
33-21
PARKING BRAKE - PARKING BRAKE ASSY

Expand 20. 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
Contract smoothly.
Standard : Return 8 notches
(d) Check that the brake disc rotates smoothly.
F40026 (e) Install the hole plug.

21. CONNECT REAR DISC BRAKE CALIPER ASSY LH
22. INSTALL REAR WHEEL
Torque: 103 Nm (1,050 kgfcm, 76 ftlbf)
23. INSPECT PARKING BRAKE PEDAL TRAVEL (See page 33-2 )
24. ADJUST PARKING BRAKE PEDAL TRAVEL (See page 33-2 )

2005 SIENNA REPAIR MANUAL (RM1163U)

Author : Date : 2824

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