Chances are the new rotors are warped, new pads won't fix that. Have them cut or replace them. I assume you've checked all the rubber parts like the control arm bushings, but those will usually cause problems besides during braking. Cheap rotors can be warped right out of the box, I've seen it many times.

 

Will overtightening lug nuts cause the rotors to warp?

 

Did you replace all 4 rotors? Check wheel bearings. Also check for play or looseness in your brake components, calipers, etc.

 

I've been working on my wife's 2016 Murano. It shutters like crazy when braking. I took it into Firestone to check the front end alignment (where we have a lifetime alignment) and they said the alignment is fine.

I then replaced the brake pads myself. Shill shaking. I then replaced to rotors. Still shaking.

I'm at a loss on what could be causing the shaking.

Anyone have any idea on what it could be? I's appreciate any ideas or tips.

Thank you!

sounds like the majority of the braking load is being transferred to the front brakes,I would check out the back brakes.