no

I hope your car does not break down whilst you are driving.

I hope you do not crash you car into a tree.

My car broke down one day

I crashed my car into a tree

My computer crashed. (The operating system stopped working)

If my computer does not stop crashing, I am going to have a breakdown. (I am liable to suffer a mental illness)

The words "crash" and "break down" have numerous meaning, according to the context of the sentence.