The Automotive Water Pump In general the main purpose of the automotive water pump is to circulate the coolant of the cooling system of a water-cooled engine.
The water pump circulates the coolant to cool the engine.
Either to pump water or drive machinery.
To pump water. The windmill turns pumps the water out into a trough for the cattle.
You would need a sump pump repair if the sump pump in your basement is not pumping out water. The purpose of a sump pump is to drain excess water that is part of your waterproofing system.
The vent hole is referred to as a weeping hole. It's sole purpose is to indicate the failure of the water pump shaft seal. If there is antifreeze weeping from it, then the seal is leaking and the water pump needs to be replaced before catastrophic failure. Which is to say, replace the water pump now, before it becomes a more expensive problem.
To pump water from under ground and to stir grain.
The weep hole is "an indicator of bad bearings and/or seals" in the water pump when antifreeze starts to drip or run out of it. If antifreeze is coming out the weep hole, change the water pump.
th purpose of an oil pump is to PUMP...OIL
Aerates the water. This prevents the water from getting stagnant, and retards the buildup of pond scum.
To pump coolant around the engine to absorb heat, and through the radiator to cool the coolant down again
To pump water out of low lying areas that would be flooded otherwise.