2003 Polaris ATV Trail Boss 330 Factory Service Manual, Page 173Get this manual
BRAKES 1Apply heat to the hub in the area of the brake disc mounting bolts to soften the bolt locking agent
18 ftlbs(25 Nm) new bolts have pre-applied locking agent2345Remove bolts and discClean mating surface of disc and hubInstall disc on hubInstall new bolts and tighten to specified torque
3Remove brake caliper and drain fluid into containerDo not reuse brake fluid
FRONT CALIPER DISASSEMBLY