1999-2002 TRX400EX Fourtrax Service Manual, Page 199Get this manual
HYDRAULIC DISC BRAKE
Snap ring pliers 07914- SA50001
TROUBLESHOOTING
Brake leverlpedal soft or spongy Air in hydraulic system Leaking hydraulic system Contaminated brake padldisc Worn caliper piston seals Worn master cylinder piston cups Worn brake padldisc Contaminated caliper Contaminated master cylinder Caliper not sliding properly Low brake fluid level Clogged fluid passage Warpedldeformed brake disc Stickinglworn caliper piston Stickinglworn master piston Bent brake leverlpedal Brake leverlpedal hard Cloggedrestricted hydraulic system Stickinglworn caliper piston Stickinglworn master piston Caliper not sliding properly Bent brake leverlpedal Brake grab or pull one side Misaligned disc or wheel Contaminated brake padldisc Warpedldeformed brake disc Caliper not sliding properly Brake drag Contaminated brake padldisc Badly worm brake paddisc Warpedldeformed brake disc Caliper not sliding properly Cloggedrestricted fluid passage Sticking caliper piston Misaligned disc