Toyota Venza manuals

Toyota Venza: Parking Brake System

Toyota Venza Service Manual / Parking Brake / Parking Brake System

Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Parking Brake System

Symptom

Suspected Area

See page

Parking brake drag

Parking brake pedal travel (Out of adjustment)


Parking brake cable (Sticking)


Parking brake shoe clearance (Out of adjustment)


Parking brake shoe lining (Cracked or distorted)


Tension or return spring (Damaged)


Adjustment

ADJUSTMENT

PROCEDURE

1. INSPECT PARKING BRAKE PEDAL TRAVEL

(a) Fully depress the parking brake pedal to engage the parking brake.

(b) Depress the pedal again to disengage the parking brake.

(c) Slowly depress the parking brake pedal using the specified force, and count the number of clicks.

Parking brake pedal travel:

4 to 6 notches at 300 N (31 kgf, 67.5 lbf)

If the parking brake pedal travel is not as specified, adjust the parking brake shoe clearance and parking brake pedal travel.


2. ADJUST PARKING BRAKE SHOE CLEARANCE AND PARKING BRAKE PEDAL TRAVEL

(a) Completely release the parking brake pedal.

(b) Loosen the lock nut and No. 1 wire adjusting nut to completely release the parking brake cable.

Text in Illustration

*1

No. 1 wire adjusting nut

*2

Lock nut


(c) Remove the rear wheel.

(d) Temporarily install the 5 hub nuts.

(e) Remove the shoe adjusting hole plug.

(f) Turn the shoe adjuster and expand the shoe until the disc locks.


(g) Turn and contract the shoe adjuster until the disc can rotate smoothly.

Standard:

Returns 8 notches.

(h) Check that there is no brake drag against the shoe.

(i) Install the shoe adjusting hole plug.

(j) Turn the adjusting nut until the parking brake pedal travel is corrected to be within the specified range.

Parking brake pedal travel:

4 to 6 notches at 300 N (31 kgf, 67.5 lbf)

(k) Using a wrench or an equivalent tool, hold the adjusting nut and tighten the lock nut.

Torque:

5.4 N·m {55 kgf·cm, 48 in·lbf}

(l) Operate the parking brake pedal 3 to 4 times, and check the parking brake pedal travel.

(m) Check that there is no brake drag against the shoe.

(n) Remove the 5 hub nuts.

(o) Install the rear wheel.

Torque:

103 N·m {1050 kgf·cm, 76 ft·lbf}

3. INSPECT BRAKE WARNING LIGHT

(a) When operating the parking brake pedal, check that the brake warning light illuminates.

Standard:

The brake warning light always illuminates at the first notch.

Installation
INSTALLATION PROCEDURE 1. INSTALL PARKING BRAKE SWITCH ASSEMBLY (a) Install the parking brake switch assembly with the screw. Torque: 0.9 N·m {9 kgf·cm, 8 in·lbf} ...

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