In general, the brake shuddering is a vibration that can be felt when the brakes are applied at high speeds. Eventually, you will find that the vibrations can range from mild to violent. Due to numerous reasons, you will notice brake shuddering problems in your Volkswagen Jetta. The following video defines the causes behind it more briefly.
https://www.youtube.com/watch?v=1F1hNLsnJ1M
