Wazza5

Can anyone help? I have a 2001 galaxy 1.9tdi It seems to be starting and running fine, The problem I'm getting is If I'm driving with the radio and heaters on full, if I use my electric windows or flash my lights the whole of the electrics cut out for a second before coming back on, sometimes even the engine can stall. Has anyone come across this before? Thank you for your time

I have recently been advised that my overheating problem on motorways is due to the fact I need a water pump change. I was advised that when changing the pump I would need a cam belt change at the same time. I was quoted about