DAELIM a.four - Brake System; Brake Pad Replacement

12-1
12. BRAKE SYSTEM
HYDRAULIC DISK BRAKE
Braking power unsatisfactory
● Air in the brake system.
● Moisture in brake fluid
● Brake pad and disk contaminated.
● Caliper piston seal worn
● Master cylinder piston seal worn
● Brake pad worn
● Caliper inside contaminated
● Unsatisfactory caliper sliding part operation
● Lopsided wear of brake pad and disk
● Low brake fluid level
● Clogged brake fluid line
● Disk bent or distorted
● Caliper piston seized or worn
● Master cylinder piston seized or worn
● Disk worn
● Master cylinder inside contaminated
● Brake lever bent
Hard brake lever movement or unsatisfactory
return
● Brake system clogged
● Caliper piston seized or worn
● Unsatisfactory caliper sliding part operation
● Brake fluid line clogged
● Caliper piston seal worn
● Master cylinder piston seized or worn
● Brake lever bent
Brake drag
● Brake pad and disk contaminated
● Improper wheel alignment
● Lopsided wear of brake pad and disk
● Disk bent or distorted
● Unsatisfactory caliper sliding part operation
● Hydraulic system contaminated with dust.
SERVICE INFORMATION
GENERAL SAFETY
● Do not allow foreign material to enter the system when replenishing brake fluid.
● To prevent chemical changes, do not mix different types of brake fluid.
● Do not use the old brake fluid again.
● Brake fluid can cause damage to painted, plastic, and rubber surfaces. Take precaution not to allow parts to be
contaminated by the brake fluid.
● Do not reuse sealing washers.
● Clean the disassembled parts with brake fluid, and check for any clogged passage with compressed air.
● Bleed the brake hose after removing it.
TROUBLESHOOTING
12
SERVICE INFORMATION 12-1
TROUBLESHOOTING
12-1
BRAKE FLUID/BLEEDING
12-3
BRAKE PAD REPLACEMENT 12-4
BRAKE DISK INSPECTION 12-6
BRAKE CALIPER
12-7
MASTER CYLINDER
12-9