| Problem Symptom
| Possible Causes
|
| Excessive Pedal Travel
| Air in system, fluid leak, or low fluid level. Pad Knock back from extremely rough road operation or violent cornering
| Excessive Wheel bearing end play, Fauly master cylinder, Boosted link not connected to brake pedal, Brake boosted attaching nuts loose
|
| Pedal Gradually goes to the floor
| Leaks or insufficient fluid
| Fault master cylinder
|
| Spongy Pedal
| Leaks or insufficient fluid
| Air in hydraulic system
|
| Brakes do not apply
| Leaks or insufficient fluid, Dirt brake fluid
| Faulty Master Cylinder, Air in hydraulic system
|
| Excessive Brake Pedal Effort
| Brake boosted malfunction, Brake boosted check valve leaking, Vacuum Failure, Brake fluid oil or grease on brake linings.
| Stuck or seized pistons in calipers, Brake line restricted, Mechanical resistance at pedal, Lining glazed or worn
|
| Brakes for the respective system do not apply
| One section dual brake system is inoperative
|
| Brake roughness or chatter (Pulsating Pedal)
| Brake rotor excessive lateral runout or thickness variation
| Oil or grease on lining, Lining glazed or worn
|
| Brakes Pull, Grab or Uneven braking
| Tyre Tread worn, Improper tyre pressure, DIrty Brake fluid, Incorrect front end allignment, Brake fluid oil or grease on brake linings
| Lining glazed or worn, Brake line restricted, Caliper not properly alligned on rotor, Stuck or seized piston on caliper
|
| Brake Drag
| Incomplete Pedal Return, Faulty master cylinder, Dirty Brake Fluid, Brake boosted malfunction
| Air in hydraulic system, Stuck or seized piston, brake line restricted
|
| Grining or grating noise
| Worn out pads
| Damaged wheel bearings
|
| Warning Light stays on
| One section dual brake system is inoperative, Warning lamp switch is grounded
| Differential pressure valve not centred, Wiring to warning lamp switch is grounded
|
| Warning lamp does not light
| Warning lamp is burned out, Wiring to warning lamp has open circuit
| Warning lamp switch has an open circuit
|