13. REAR WHEEL/SWING ARM/
HYDRAULIC BRAKE
13-3
TROUBLESHOOTING
Rear wheel wobbling Poor brake performance (Drum Brake)
• Bent rim • Brake not adjusted properly
• Faulty tire • Worn brake linings
• Axle not tightened properly • Worn brake shoes at cam contacting area
• Worn brake cam
Soft rear shock absorber • Worn brake drum
• Weak shock absorber spring
• Faulty damper
Loose brake lever (Disk Brake) Tight brake lever (Disk Brake)
• 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
Hard braking (Disk Brake) Poor brake performance (Disk Brake)
• Seized hydraulic brake system Contaminated brake pad surface
• Seized piston
Brake noise (Disk Brake)
• Contaminated brake pad surface
• Excessive brake disk run out
• Incorrectly installed caliper
• Brake disk or wheel not aligned
Poor brake performance (Disk Brake)
• Air in brake system
• Deteriorated brake fluid
• Contaminated brake pads and brake disk
• Worn brake pads
• Worn brake master cylinder piston oil seal
• Clogged brake fluid line
• Deformed brake disk
• Unevenly worn brake caliper
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