Brake question.

[Smallz72project]

First step I would do to diagnose...jack it up, have some one press the brakes and then walk around and spin the tires and see where the problem lies. It could be multiple things...lines, wheel cylinders, valves, and sometimes your e-brake cables. But if you can narrow it down to what tire/s are not releasing then you can go from there, once found start at the mastercylinder and work your way back, cracking the line and seeing if the pressure has been released, if its not then go to the next junction until you find a spot that will relieve the pressure. Once you find it...its the junction above the last point that bad. Ex. you crack the master and it doesnt release the pressure, then you crack the perportioning valve and it does relieve pressure the valve is whats bad. If the pressure still isnt released after you have gone through the whole system start looking for mechanical failures or hang ups (shoe hold down and return springs, e-brake cable, e-brake arm so forth).