Insufficient brake power
Leakage of brake fluid from hydraulic system. | Repair or replace. |
Worn pads. | Replace. |
Oil adhesion on friction surface of pads. | Clean disc and pads. |
Worn disc. | Replace. |
Air in hydraulic system. | Bleed air. |
Not enough brake fluid in the reservoir. | Replenish. |
Brake squeaking
Carbon adhesion on pad surface. | Repair surface with sandpaper. |
Tilted pad. | Correct pad fitting or replace. |
Damaged wheel bearing. | Replace. |
Loose front wheel axle or rear wheel axle. | Tighten to specified torque. |
Worn pads or disc. | Replace. |
Foreign material in brake fluid. | Replace brake fluid. |
Clogged return port of master cylinder. | Disassemble and clean master cylinder. |
Excessive brake lever stroke
Air in hydraulic system. | Bleed air. |
Insufficient brake fluid. | Replenish fluid to specified level; bleed air. |
Improper quality of brake fluid. | Replace with correct fluid. |
Leakage of brake fluid
Insufficient tightening of connection joints. | Tighten to specified torque. |
Cracked hose. | Replace. |
Worn piston and/or cup. | Replace piston and/or cup. |
Brake drags
Rusty part. | Clean and lubricate. |
Insufficient brake lever or brake pedal pivot lubrication. | Lubricate. |