I have run across some differences in throwout bearings as regards the front of the bearing design, some with a ridge around the portion that pushes against the pressure plate fingers and some with a flat surface around the portion that pushes against the pressure plate fingers. The ridge causes the plate fingers to make a popping noise and the pedal to jump when the fingers come off the ridge when the pedal is released. I have to buy a couple of throwout bearings to find the correct one because no one at any parts store could tell me the difference or find any reference in any of the parts books as to what the difference is between the two styles of throw out bearings. Anyone else have that problem or know the difference?.
