WATER PUMP IN VEHICLES
The water pump pushes coolant from the radiator through the coolant system, into the engine, and back around to the radiator. The heat that the coolant picks up from the engine is transferred to the air at the radiator.
5 signs your water pump is failing ​
1. Coolant Leak. The water pump has several gaskets that can be damaged or worn out over time. ...
2. Engine Overheating. ...
3. High Pitched, Harmonic Whining Noises. ...
4. Water Pump Rust and Corrosion. ...
5. Holes or leakage system on the dry side of the water pump.
What happens if the water pump is damaged?
A dead or dying water pump cannot circulate coolant through your vehicle's engine and, as such, the engine will overheat. The hotter the engine gets the greater the chance of serious damage, including a cracked engine block and damage to the cylinders, pistons, and head gasket