Troubleshooting - Sym MAXSYM 400i Service Manual

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14. Brake System

Troubleshooting

Slack brake lever
1. Air inside the hydraulic system
2. Hydraulic system leaking
3. Worn master piston
4. Worn brake pad
5. Poor brake caliper
6. Worn brake lining/disk
7. Low brake fluid
8. Blocked brake hose
9. Deformed/ bent brake disk
10. Bent brake lever
Malfunction of the brake lever
1. Blocked brake system
2. Poor brake caliper
3. Blocked brake pipe
4. Seized/ worn master cylinder piston
5. Bent brake lever
Uneven brake
1. Dirty brake lining/ disk
2. Poor wheel alignment
3. Clogged brake hose
4. Deformed or bent brake disk
Tight brake
1. Dirty brake lining/disk
2. Poor wheel alignment
3. Deformed or bent brake disk
Brake abnormal noise
1. Dirty lining
2. Deformed brake disk
3. Poor brake caliper installation
4. Imbalance of brake disk or wheel
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