HYDRAULIC BRAKE
TROUBLESHOOTING
Brake l
ever/peda
l so
ft
or
spo
ngy
•
Air
in
hydrau
lic
system
• Leaking hydraulic system
• Contaminated brake pads/disc
• Worn caliper piston seal
• Worn master cylinder piston cups
• Worn brake pads/disc
• Contaminated caliper
• Caliper not
sliding
property
• l
ow
brake fluid level
•
Clogged
fl
uid
passage
•
Warped
/
deformed
brake
disc
•
Sticking/worn
caliper
piston
•
Sticking
/
worn
master
cylinder
piston
•
Contaminated
master
cylin
de
r
• Bent brake lever/pedal
Br
ake lev
er/
pedal hard
• Clogged/restricted brake system
•
Stic
kin
g/worn
caliper
piston
• Caliper not sliding
properly
• Clogged/restricted fluid passage
• Worn caliper piston seal
• Stickingfworn master cylinder piston
•
Bent
brake
lever
/pedal
Brake drags
•
Contaminated
brake pads/disc
•
Misaligned
wheel
•
Clogged
/restr
icted
brake
hose
joint
• Warped/def
orm
ed brake
disc
•
Caliper
not
sliding
properly
•
Clogged
frestr
icted
brake
hydraulic
system
•
Stickinglworn
caliper
piston
• Clogged
maste
r
cylinder
port
l
16-5