Making sure your vehicle is cooled is vital to it running efficiently and reliably. The water or cooling pump is central to this and its design can have a massive effect on the engine and associated ancillaries; including power, potential service intervals and fuel economy. So, a well-designed water pump is essential for the car manufacturer and customer. So how to get it right? PIF spoke to Colwyn based Mark Water Pumps to find out more. How does the water pump work? The water pump is usually driven off the crankshaft pulley and aids in dissipating heat by forcing liquid