1. Insufficient braking

(1) Fluid leakage from the hydraulic mechanism

Correct or replace. (cup, piston seal, piston boot, master cylinder piston kit, pipe or hose)

(2) Entry of air into the hydraulic mechanism

Bleed air.

(3) Excessively wide shoe clearance

Adjust the clearance.

(4) Wear, deteriorated surface material, water or fluid on lining

Replace, grind or clean.

(5) Improper operation of master cylinder, disc caliper, brake booster or check valve

Correct or replace.

2. Unstable or uneven braking

(1) Fluid on the lining, drum or rotor

Correct the cause of fluid leakage, and clean or replace.

(2) Drum or rotor problem

Repair or replace the drum or rotor.

(3) Worn brake drum, or damage to the drum caused by entry of sand

Repair by grinding, or replace.

(4) Improper lining contact, deteriorated surface, deteriorated or worn lining material

Repair by grinding, or replace.

(5) Deformed back plate

Correct or replace.

(6) Overinflation of tires

Adjust the air pressure.

(7) Defective wheel alignment

Adjust alignment.

(8) Loose back plate or support installation bolt

Tighten to the specified torque.

(9) Loose wheel bearing

Replace.

(10) Defective hydraulic system

Replace the cylinder, brake pipe or hose.

(11) Unstable performance of the parking brake

Check, adjust or replace the rear brake and cable system.

3. Excessive pedal stroke

(1) Entry of air into the hydraulic mechanism

Bleed air.

(2) Excessive play in the master cylinder push rod

Adjust.

(3) Fluid leakage from the hydraulic mechanism

Correct or replace. (cup, piston seal, piston boot, master cylinder piston kit, pipe or hose)

(4) Improperly adjusted shoe clearance

Adjust.

(5) Improper lining contact or worn lining

Correct or replace.

4. Brake dragging or improper brake return

(1) Insufficient pedal play

Adjust play.

(2) Improper master cylinder return

Clean or replace the cylinder.

(3) Clogged hydraulic mechanism

Replace.

(4) Improper return or adjustment of parking brake

Repair or adjust.

(5) Weakened spring tension or breakage of shoe return spring

Replace the spring.

(6) Excessively narrow shoe clearance

Adjust the clearance.

(7) Improper disc caliper operation

Correct or replace.

(8) Faulty wheel bearing

Replace.

5. Brake noise (1) (creaking sound)

(1) Hardened or deteriorated lining

Replace the shoe assembly or pad.

(2) Worn lining

Replace the shoe assembly or pad.

(3) Loose back plate or support installation bolt

Tighten to the specified torque.

(4) Loose wheel bearing

Tighten to the specified torque.

(5) Dirty drum or rotor

Clean the drum or rotor, or clean/replace the brake assembly.

6. Brake noise (2) (hissing sound)

(1) Worn lining

Replace the shoe assembly or pad.

(2) Improperly installed brake shoe or pad

Repair or replace the shoe assembly or pad.

(3) Loose or bent drum or rotor

Retighten or replace.

7. Brake noise (3) (click sound)

In the case of the disc brake:

(1) Excessively worn pad or the support

Replace the pad or the support.

In the case of the drum brake:

(1) Excessively worn shoe ridge

Replace the back plate.

(2) Lack of oil on the shoe ridge surface and anchor

Supply grease.