They will probably just bleed and flush the entire system.

 

There replacing pretty much the whole break system. The master cylinder abs pump all four calipers any rudder line pretty much anything the fluid goes through. whatever was put in it before swelled up all the rubbers in everything it's a mess I never would have thought that would have been the problem. luckly the place i bought it off of gave me warranty and are covering it. parts are like 1500 and thats without new rotors, pads, and labor