How does a water pump keep an engine cool?
How does a water pump keep an engine cool? In order to run cool on those hot summer days, your engine needs to have a consistent flow of coolant supplied from the radiator throughout the engine. The water pump is the primary component responsible for maintaining this flow. How often should I change the coolant in my car? Most modern cars have a sealed cooling system so they shouldn’t need any topping up – unless, of course, they’ve sprung a leak. Give your engine coolant and your cooling fan a check every couple of weeks so you can spot any...