ive had my fan belt replaced as it screeched then 1 week on went wrong again and was told i needed to change pulley tensionner,a few days later my belt came off at traffic lights managed to drive the car back to garage 45 minutes with battery light on, now been told my water pump ceased ? but my car never over heated nor made any noise infact it was less noisy. am i being had?

Let them show you the seized pump, sounds feasible