Front end shimmy

I have a 92 cutlass that shimmys in the front end when I brake. I've had new tires put on along with a wheel aligntment and the brake disks look fine. What can it be?

I have a 92 cutlass that shimmys in the front end when I brake. I've had new tires put on along with a wheel aligntment and the brake disks look fine. What can it be?

While the brake pads may look fine, it sounds like your rotors are warped.
They should be cut or replaced