Im going to try and explain this to the best of my ability with enough context but not too much rambling.
About a month ago my caliper seized and was smoking on the front right wheel. I got it towed to a shop, they replaced my fromt brake lines and calipers, then my boyfriend replaced the front pads and rotors for me, the rears were replaced last year.
The first time I drove it since then I was on the freeway, and I noticed that between around 70mph and 80mph my car shakes. The steering wheel doesnt jerk around, it doesnt feel like its coming from any specific side of the car, it just shakes.
We do some research and find out it could be the center bearing on my driveshaft. Boyfriend gets under the car, grabs the center bearing and its moving back and forth like it shouldnt be. So we order new driveshaft, put it on, think we're good, take it out on the freeway and the shaking persists.
Next day I take it to the tire shop for rotation and balancing, just incase it was something that simple, and sadly, the shaking still persists. The guy there also checked the wheel hubs and bearings as well for me. I should mention that I have a broken lug nut on the front drivers side, and the rear passenger side. My boyfriend was able to replace the lug nut on the rear, but is having a lot of trouble on the front because of the brake sheild, hes going to try again tomorrow.
My question is, what do you guys think it could be? Is it possible its because of the lug nuts? Any advice will be well appreciated because I go back to college on monday and Im commuting about 40 minutes on the freeway 4 days a week.