Welcome to Water Pump University

Water Pump U is a website resource to find just the right water pump replacement knowledge for your car or truck. WPU’s goal is for the DIYer, technician, or counterperson’s water pump repair/replacement successful. Go ahead. Take a look around and see what Water Pump U has to offer.

Water Pump Tech Tips

How Does an Electric Water Pump Function?

There are two general classes of water pumps: electric powered and belt powered. Electric water pumps utilize the vehicle's electrical current to drive the water pump motor. When the power is...

Check the Thermostat First

When a vehicle owner arrives reporting a problem with the engine overheating, the immediate assumption is a problem with the water pump. However, a problem within the cooling system should be...

Why Is a New Water Pump Not Cooling?

Before installing a new water pump, ensure that the pump does not have any manufacturing defects. If the water pump does not appear to be performing appropriately after installation, check the...

Common Size of Bolts Used for Attaching a Water Pump

Knowing the correct sizes of the nuts and bolts needed to attach the water pump can mean the difference between a 30-minute and a four-hour project. In some cases, customers may have brought in a...

The Importance of Refilling & Bleeding the Cooling System After Replacing a Thermostat

Performing work on the cooling system can be laborious; however, auto technicians must ensure the entire repair or replacement is completed fully. After replacing a thermostat, the technician...

Water Pump Tech Blogs

Evolution of the Automotive Radiator

From the time of the very first vehicles until the '70s, radiators were made of a combination of brass and copper. No other material could compete with this combination in terms of heat...

Consequences of Overheating

It is hard to disagree that one of the most destructive things a person can do to their vehicle is to allow the engine to overheat. Severe overheating can render the engine -- and many of its...

How Difficult Is Water Pump Replacement? Can Anyone Do It?

The location of the water pump in relation to the engine can vary by application. Whether you can replace it yourself depends on how much experience you have. The more complex the engine, the...

Heater Malfunctioning May Not Be a Cooling System Problem

Vehicle AC and heating systems have many common parts, which work synchronously to produce warm or cool air for the driver and passengers. Unfortunately, a single malfunctioning part or improper...

Diagnosing Overheating Problems on Vehicles with Electric Fans

Engine overheating is a serious problem that can swiftly cause catastrophic damage to the engine. Engines, being a thermal device, are subject to contraction when cold and expansion as their...

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