NANO

BRAKE SYSTEM

513

BRAKES

TROUBLESHOOTING OF BRAKE SYSTEM

CONCERN

CAUSE

REMEDY

Excessive brake pedal

1. Lining soiled with brake fluid, oil

1. Replace brake linings.

effort (Hard pedal)

or grease.

2. Brake liner worn below

2. Replace brake linings.

recommended thickness

3. Partial system failure in Tandem 3. Check both front and rear circuits

Master Cylinder

and rectify.

4. Fading of brakes due to non

4. Replace with approved grade of

recommended grade of brake

brake liners.

liners.

5. Kinked, dented or clogged brake 5. Identify the damaged part and

pipes, hoses or 3 way connectors.

replace.

6. Binding pedal linkage

6. Lubricate and free up the system.

Excessive pedal travel

1. Incorrect pedal free play

1. Adjust as per specification.

2. Partial brake system failure

2. Identify and repair by replacing

either in dual circuit or in Master

necessary parts.

Cylinder

3. Air in system (pedal soft /spongy) 3. Bleed and top up with

recommended brake fluid.

4. Soft or bulging hose

4. Replace hose

5. Excessive clearance between

5. Check auto adjuster mechanism

lining and drum in rear brakes

due to malfunctioning of auto

adjusters.

6. Lining pad knock back caused 6. Adjust or replace faulty parts as

by loose or worn wheel bearing

necessary

or other related parts.

7. Insufficient fluid in master cylinder 7. Fill reservoir with approved brake

reservoir

fluid check for leak and air in brake

system if required.

Brake noise

1. Glazed shoe linings or foreign

1. Repair or replace shoe linings.

matters stuck on linings

2. Worn or distorted shoe linings.

2. Replace shoe linings.

3. Distorted backing plate or loose 3. Replace or retighten.

mounting bolts

4. Drummay got polished

4. Drum to be machined upto specified

dia.

Brake warning light glows 1. Parking brake lever in applied

1. Release parking brake and check

after engine starts

condition.

that brake warning light turns off.

2. Brake fluid level very low.

2. Add brake fluid

3. Leakage of brake fluid.

3. Investigate and correct leaky point.

Add brake fluid

4. Brake warning light circuit faulty.

4. Repair circuit.

Brake warning light turns 1. Leakage of brake fluid

1. Investigate and correct leakage

ON when brakes are

area. Add brake fluid.

applied

2. Brake fluid level very low

2. Add brake fluid.