Originally Posted by Mud
Yep 100% sure, its abit like a computer it sends signals to the brakes etc....nothing to do with wear and tear, its a non moving part which is covered up in the engine bay.
Erm, by definition the hydro-pump must have some moving parts surely? Unless it's a purely electronic device in which case calling it a "pump" is a bit misleading...
Is the device in question more of a control unit rather than an actual pump?