The water pump is a part that circulates fluid in the vehicle's cooling system. If the water pump malfunctions, the car engine quickly overheats and boils. Timely identification of pump malfunctions gives the car owner the opportunity to prepare in advance for its "death" and purchase a spare part.
Instructions
Step 1
Overheating of a car engine is one possible indicator of damage to the water pump. Among other reasons, engine overheating is often associated with a faulty water pump, a defective drive belt, or a damaged impeller.
Step 2
If, while moving, the arrows of the temperature indicator are above the average mark, then it is necessary to turn on the "stove" of the machine at full power. Select a seat, changing lanes if necessary, and stop the vehicle. Stop the engine and touch the radiator. If it is warm, then most likely the car's water pump is faulty. In order to be sure of this finally, you need to feel the pump drive belt. If its temperature is higher than usual, we can say that the malfunction has been identified.
Step 3
Other signs of damage to a vehicle's water pump are excessive abnormal noise and coolant odor from under the hood.
Step 4
Insufficient coolant circulation also indicates a breakdown of the water pump. For a quick diagnosis, it is recommended to run the car engine at idle speed. Pinch with your finger and then release the upper radiator hose. If the water pump is working properly. then you will feel a jolt of coolant.
Step 5
Try to feel the pump bearing play by feeling. To do this, slightly shake the shaft by grasping the fan. Large play indicates bearing damage.
Step 6
You can also diagnose a water pump malfunction using plain white paper. Spread the sheets under the car and leave them overnight. In the morning, carefully inspect the paper - if it gets wet, then this indicates a pump leak. Green spots on the sheets indicate a coolant leak.
Step 7
It should be remembered that it is recommended to change the water pump after approximately 90,000 km.
