Malfunction | Manifestation and possible causes | Remedy |
Bad braking. | 1. Not enough brake fluid. | Top up. |
2. Air in the brake hydraulic system. | Vent the air. | |
3. Brake pads are worn out. | Replace. | |
Insufficient braking force. | 1. Brake fluid leak. | Repair. |
2. Brake pads are worn out. | Replace. | |
3. Oil on the braking surfaces of the pads. | Clean the pads and discs. | |
4. The brake disc is worn out. | Replace. | |
5. Air in the brake hydraulic system. | Vent the air. | |
Brakes squeal. | 1. Graphite residues on the surface of the brake pads. | Clean surfaces with sandpaper. |
2. The brake pads do not fully adhere to the brake disc. | Adjust the position of the caliper or replace it. | |
3. Wheel bearings are damaged. | Replace. | |
4. Front or rear wheel axle is loose. | Tighten to the specified torque. | |
5. Brake pads are worn out. | Replace. | |
6. Foreign material in brake fluid. | Replace brake fluid. | |
7. The return valve of the brake master cylinder is clogged. | Disassemble and clean the brake cylinder. | |
8. The brake pad washer, retainer or spring is not installed correctly. | Install correctly. | |
9. Caliper jamming. | Clean and lubricate. | |
Long stroke of the brake handle. | 1. Air in the brake hydraulic system. | Vent the air. |
2. Not enough brake fluid. | Top up. | |
3. Low quality brake fluid. | Replace. | |
Brake fluid leak. | 1. Weak tightening of connections. | Tighten to the specified torque. |
2. Cracks in the brake hose. | Replace. | |
3. The brake piston or cylinder is worn out. | Replace. |