4. Check:
• brake fluid level
• minimum level mark ①
Must use DOT4 Brake Fluid
5. Check:
•brake pedal operation
Soft or spongy feeling
Bleed the brake
system.
DISASSEMBLING THE FRONT BRAKE
CALIPERS
WARNING:
• Brake caliper is one of the most important
security components. Disassembly and
maintenance must have a rich experience in
technology and complete tool.
•Wrong disassembly and reassembly may
cause serious injury and even death.
Replace damaged brake caliper.
•If only replace the brake caliper of one side,
please check carefully whether the braking
force of right and left are balance and equal.
1. Remove:
• brake caliper pistons
• dust seals ①
• caliper piston seals ②
a. Blow compressed air into the hose joint
opening to force out the caliper piston from
the brake caliper body.
WARNING:
• Never try to pry out a caliper piston.
• Cover the caliper piston with a rag. Be careful
not to get injured when the piston is expelled
from the caliper cylinder.
CHASSIS
- 191-
b. Remove the dust seals and caliper piston
seals.
WARNING:
All internal brake components should be
cleaned in new brake fluid only. Do not use
solvents as they will cause seals to swell and
distort.
2. Check:
• brake caliper pistons ①
Scratches/rust/wear
Replace the brake
caliper assembly.
• brake caliper cylinders ②
Wear/scratches
Replace the brake caliper
assembly.
• brake caliper body ③
Cracks/damage
Replace.
• brake fluid delivery passage (brake caliper
body)
Blockage
Blow out with compressed air.
WARNING:
Replace the caliper piston seals and dust
seals whenever the brake caliper is
disassembled.
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