ok, so my car keeps shakin when i press the brakes. i have replaced the brakes, calipers, rotors and axles. the tires are brand new and the rims im riding on is minty, no bends or nothing. im puzzled as to what can be makin my car shake one of my buddies told me that maybe my control arm bushings are going bad, somebody else said to check my ball joints. can anybody help and give me an idea as to what the problem may be ?