many brake hose failures can be traced to errors made in the original installation or repair of the hose hoses twisted into place become stressed and are prime candidates for leaks and bursting. most manufacturers now print a natural lay indicator or line on the hose. by making sure this line is not spirall after fittings are tightened you can ensure the hose is not overly stressed. also always use a hose of the same length and diameter as the original during servicing to maintain brake balance at all wheels