My 90 db1 is shaking when i do i 100 and gets violent at times while breaking

last week i changed uppercontrol arms, got an alignment and balanced my tires, the car drives smooth as hell other wise.. i do however have a whining axel on the passenger side, it doesnt click but it makes a stress cry while im breaking..

 

what do you guys think

 

I'm just throwing this out there because my 89 does sorta the same thing but it could be warped rotors or break pads ?

 

had that same problem, changed the rotors and pads, problem went away

 

but it when im doin 100 im not breaking, im cruising

 

if the steering wheel is shaking, it could just be that the tires werent balanced correctly. have them checked to make sure. if it does it while braking, i would replace your rotors and pads. just try that out, and if it doesnt cure the problem, you have ruled a couple things out.