Ok so my brakes on my s13 get stiffer and stiffer and eventually stick to my rotors as i drive and they heat up. My brake pedal gets harder and harder the longer i drive, until eventually i am having to go full throttle just to move, and when i shift myt car dips down in the front bcause the brakes are engaged. If i stop i cant move anymore, the brakes just stay locked unti i let them cool down or i take off the master cylinder to releive the pressure. First i thought it was my master cylinder. Then my brake booster, and lastly the calipers. I went through each one of those and replaced them. Its still happening. I dont know whats wrong. Can someone help me out?