Why would there be excesive shaking when stepping on the brakes is that because my struts are busted?

Most common cause is warped rotors.

Stepping on the brakes of a moving car is an example of

Is stepping on the brakes of a car acceleration. That would be deceleration. ...

Check the brakes. You may need new rotors. You didnt say how hard you stand on the brakes because if you are heavy on them it could be the abs unit working properly ...

Have the front rotors turned on a lathe at a dealership. check brakes and rotors ...

You probably have rusty/scored brake rotors.

If its shaking side to side could be a tire out of balance or maybe a mechanical issue (wheel bearing, alignment, etc). Probably not a safety issue, but it can wear the tires out prematurely which can be expensive. Warped brake rotors are the most likely cause if the steering wheel only shakes when applying the brakes. ...

Bad ground in brake light circuit

Sounds like a vacuum leak.

If it shakes only when the brakes are applied, its the brakes. Just because they are "good" and stop the truck well doesn't mean they are balanced and wont cause a vibration. ...

You should avoid be nervous, or shaking, because you might just accidentally slam the brakes, and kill you and your family from a car accident...just saying... ...

The Corolla could be shaking for many reasons. Start by checking the wheel bearings and brakes for wear. Then check the engine to see if it running rough, causing the shake. ...

I needed new brakes when my 2003 Vue shook at 50mph. Once I had the back brakes changed the shaking stopped. ...

Check for vaccuum leaks this could be your problem.

Warped Rotors on your Front Brakes. Have them turned or purchase new ones. ...

Because brakes create friction, and heat is a byproduct of friction.

Sounds like the rotors are warped from getting too hot. Time to have to old one turned or replaced. ...

Are you talking about seized brakes? As in the wheels no longer turn because the brakes are stuck? or.......? ...

idler may be set too low...causing the car to stall out. from a dead stop in a car with an automatic transmission you should be able to let off the brakes and the car will accelerate on it's own (without you stepping on the gas) to at least 10 mph if not closer to 20 mph. ...

Don't stomp on the accelerator, because with no brakes you couldn't stop.

If the brakes are out then you have no business putting it in any gear because it is unsafe to drive a car with no brakes. ...

Wheel Bearings are most likely worn.

Brake rotors or drums need to be machined or replaced. If it causes steering wheel shaking, check front brakes. If happens when applying parking brake look to rear brake problem. ...

It could, if the damage has caused a loose component or the alignment to be way off. if the sterring wheel is shaking while applying the brakes then most likey the brake roters need machining or replacing...

Because You Need New Brakes!