New to forum NEED HELP
 

Hello I have a 1997 f150 5.4L 4x4 and I'm having extreme brake issues front passenger side brake keeps locking up and I replaced the rubber line and the caliper still dragging and locking up. I own 2 of these trucks 1997 and 2000 both flareside never had issues with the 2000 can anyone please help I do believe my master is mad and I'm replacing today any help would be awesome Thanks guys