16. BRAKE SYSTEM                                                 MXU550EXi/MXU500i


 TROUBLESHOOTING
 Loose brake lever                              Tight brake lever
 · Air in hydraulic brake system                ·Seized piston
 · Brake fluid level too low                    ·Clogged hydraulic brake system
 · Hydraulic brake system leakage               ·Smooth or worn brake pad

 Poor brake performance                         Brake noise
 · Air in brake system                          · Contaminated brake pad surface
 · Deteriorated brake fluid                     · Excessive brake disk run out
 · Contaminated brake pads and brake disk       · Incorrectly installed caliper
 · Worn brake pads                              · Brake disk or wheel not aligned
 · Worn brake master cylinder piston oil seal
 · Clogged brake fluid line                     Hard braking
 · Deformed brake disk                          · Seized hydraulic brake system
 · Unevenly worn brake caliper                  · Seized piston




16-3