How do you change a master cylinder?

Answer

1.Take off old one.2.Bring to parts store and buy the same one3.Put new cylinder onto table vice4.Connect a small hose to the base (where you took the lines off)5.Place a hose on each opening,run the hose to the top of the resivor 6.Fill resivor with brake fulid 7.(be sure it is securely held in place)8.press in on the end of the moveible part of the cylinder slowly until no Bubles are coming up from the fluid.This removes the air in the cylinderPut new cylinder on the same way you took the old one offKeep brake fluid in resivor Blead brake lines from right rear,left rear,right front, left front.To blead brakesA. press brake petal to flour(this puts preasure in system)B.The other person needs to open bleader valve on calipier/wheel cylinder.before the person lets the petal up the valve must be closed(if it is not air will come back into the system)When valve is closed pump petal 3-5 times then repeat steps A,B.For about five times.Once you have compleated the process the petal should be solidTest drive carefully if it brakes properly then it is goodif it sinks and is spongy then there is still air in the system
P.S.Besure brake fluid is fullbesure to press and hold petal to its fullest extent.Besure that when the petal is pressed imidatily that it goes to a screaching stop.