1999-2004 Honda TRX400EX FourTrax Service Manual, Page 200Get this manual
HYDRAULIC DISC BRAKE -
BRAKE FLUID REPLACEMENT AIR BLEEDING
A contaminated brake disc or pad reduces stopping powerDiscard contaminated pads and clean contaminated disc with high quality brake degreasing agent
CAUTION
Do not allow foreign material to enter the system
when filling the reservoirAvoid spilling fluid on painted, plastic or rubber partsPlace rag over these parts whenever the system is servicedUse onlv DOT brake fluid from sealed containerDo not mix different types of fluidThey are not compatible
BRAKE FLUID DRAINING
Remove the reservoir cap, set plate and diaphragm (page 3-14 for front, page 3-15 for rear)Connect the bleed tube to the bleed valveLoosen the bleed valve and pump the brake lever or pedal until no more fluid flows out of the bleed valve