If it is not aligned properly, it can make grinding noises when starting the engine. (mechanics.stackexchange.com)
My passenger side was making grinding noise so I took a look at my brakes cause it sounded like metal on metal. (mechanics.stackexchange.com)
Sometimes when I am at a red light or stop sign and the car is in neutral I feel a slight vibration from the pedals and a slight grinding noise coming from the engine. (mechanics.stackexchange.com)