I had a brake bleeder screw broke off and was trieing to bleed the brakes through the line.I could not get the bleeder out.So the drivers caliper had air trapped in it,causing the passenger caliper to lock up no matter how many times I bled the brakes.So I replaced the caliper and got a new master cylinder with a bleeder kit,bench bled the master cylinder,bled all the lines and behold,Good brakes.what a pain in the booty.----thanks for your help!!!!!