brake pedal arm,,, is on a splined shaft,,, like small bikes, also see a linkage adj. to the master cyl... anyways have other probs... the splined hub that goes on the wheel,, I took the nuts off of my old one,,, now I have nuts left over,, and am going to have to take everything back apart to make sure the replacement part has them,, plus I used those nuts on the differential too the driveshaft housing,,, probably everything is ok,, but,, easier to check now,, than have probs later,,, :head bang: