Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual - part 999

BRAKES  5-67

TROUBLESHOOTING

Condition and Cause

Correction

Poor Brake Action

Master cylinder faulty

Correct or replace

Power cylinder faulty

Correct or replace

Level of brake fluid in reservoir too low

Replenish and bleed

Air in hydraulic circuit

Bleed

Front disc brake caliper faulty

Clean or replace

Rear brake wheel cylinder faulty

Clean or replace

Water or oil on brake pads or linings

Clean or replace

Brake pads or linings hardened

Replace

Brake pads or linings in poor contact with rotor or brake drum

Correct

Brake pads or linings worn

Replace

Brake disc or drum rusted

Grind or replace

Check valve in vacuum hose faulty

Correct or replace

Brake Squeak

Brake pads or linings worn

Replace

Brake pads or linings hardened

Replace

Brake pads or linings in poor contact with rotor or brake drum

Correct

Brake disc(s) warped, worn or damaged

Grind or replace

Disc brake anti-squeak shims fatigued

Replace

Front hub bearings loose or preload is incorrect

Adjust or replace

Brake disc or drum rusted

Grind or replace

Brake Pull

Tire inflation pressures unequal

Adjust

Front wheel alignment incorrect

Adjust

Water or oil on brake pads or linings

Clean or replace

Brake pads or linings hardened

Replace

Brake pads or linings worn excessively

Replace

Brake drum or rotor worn or scored

Grind or replace

Front or rear wheel cylinder or disc brake caliper malfunctioning

Clean or replace

Front hub bearing preload incorrect

Adjust or replace

Brake pad or lining clearances unequal

Adjust or replace

Brake Drag

Parking brake maladjusted

Adjust

Brake pad or lining clearance insufficient

Adjust

Brake pedal free play insufficient

Adjust brake pedal height or power cylinder operating rod

Piston in master cylinder sticking

Clean or replace

Pistons in disc brake caliper sticking

Replace piston seals

Pistons in rear brake wheel cylinders sticking

Clean or replace

Brake pads sticking in caliper

Clean

Return springs weakened

Replace

Parking brake binding

Overhaul rear brakes

Front hub bearing preload incorrect

Adjust or replace

Rear brake shoes not returning

Correct or replace brake back plate, check automatic adjuster and
replace as necessary

Obstructions in hydraulic circuit

Clean

Rotor warped excessively

Grind or replace

Rear brake drum distorted

Grind or replace

Piston cups swollen

Replace brake fluid and piston cups

Check valve ; vacuum hose faulty

Replace

Parking cable sticking

Clean or replace

Rear disc brake over adjust

Adjust or overhaul rear brakes

Excessive Brake Pedal Travel

Air in hydraulic circuit

Bleed hydraulic circuit

Level of brake fluid in reservoir too low

Replenish brake fluid reservoir to specified level and bleed hydraulic
circuit as necessary.

Master cylinder push rod clearance excessive

Adjust

Leakage in hydraulic system

Correct or replace defective parts

Rear disc brake autoadjuster malfunction

Overhaul rear brakes

TFBRK-WE-981

You are requested to order this manual using the
manual number that is shown above.

This manual is applicable for vehicles in all countries
except the USA, Canada, Europe and Thailand.

All rights reserved, This manual may not be
reproduced in whole or in part, without the permission
in writing of ISUZU MOTORS LIMITED.

Issued by

ISUZU MOTORS LIMITED

INTERNATIONAL SERVICE DEPARTMENT

Tokyo, Japan

First edition May., 1998

9805-01A4

No. TFBRK-WE-981

PRINTED IN JAPAN

WORKSHOP MANUAL

TF SERIES

CAB

SECTION 10