TIAGO

BRAKES

BRAKE BLEEDING THROUGH SOFTWARE:

A normal bleeding procedure can be employed

whenever:



Changing brake fluid as per the service

intervals / schedule.



Replacing new brake system part like ABS

hydraulic unit, master cylinder, wheel

cylinders, correction valves and repair of

hydraulic lines.



Spongy / Soft brake pedal or pedal travel high

complaint.

In below mentioned specific cases, bleeding

process known as “ABS Secondary Circuit

Bleeding” is to be employed. In this method

solenoid valve and the pump motor are actuated

by Software based TML - diagnostic system.



If customer service intervals are exceeded 5

yrs. or more.



Brake pedal feels soft following ABS

application.

NOTE: Before conducting “ABS Secondary

Circuit bleeding” a normal bleeding should be

performed.

NOTE: Please refer to TML diagnostic tool for

ABS system bleeding

SERVICING OF BRAKE BOOSTER

NOTE:

Other than non-return valve kit, internal parts of

brake booster are not serviceable in case of a

major complaint/fault; replace the brake booster

as an assembly.

The output rod is retained internally and cannot

be extracted. If the rod or the domed screw on the

rod end is damaged the Supervac Unit must be

replaced completely.

No attempt should be made to disturb the domed

screw. This is correctly set at the factory and

should never be disturbed.

PARKING BRAKE CABLE ADJUSTMENT

Before checking parking brake cable slackness

adjustment, confirm the following conditions.

Bleeding should be completed. (i.e. there should

not be air trapped in the brake system) Confirm

pedal travel by depressing the brake pedal for few

times. Check the lining condition of the rear brake

it should not worn out beyond limit

After confirming all the above points, start

adjusting the parking brake lever stroke by either

loosening or tightening the self-locking slackness

adjustment nut after adjustment check for

dragging of rear brake drum

INSPECTION OF PARKING BRAKE:

Pull the parking brake lever at the grip center by

15-20 kg force, with this force the travel should

not exceed 6th notch position. Check both the

wheel are locked at this condition and release the

lever (i.e. take it to home position, Zeroth Notch)

and check for free rolling of the wheels.

For counting the notches easily, listen to the click

sound from the ratchet while pulling the parking

brake lever without pressing the button. one click

sound pertaining to one notch movement.