Water Pump Service in Aurora, CO

A water pump has an important job: it keeps coolant moving through the engine block, radiator, and hoses; coolant keeps your engine at an optimal operating temperature. Depending on the vehicle, the water pump is driven by either a serpentine belt, or a timing belt, from the crank shaft pulley. THIS VIDEO describes the various elements involved, how they work, and what can happen if the water pump fails.

The following are symptoms of a failing water pump:

  • Engine overheating
  • Steam coming from under the hood
  • A squeaking, ticking, or grinding noise while engine is running
  • A leak from the pump often means that the shaft seal or the gasket has failed

Some water pumps have plastic impellers (rotating components) which can break.

To extend the life of the water pump and for optimal performance, the system must have the correct amount of engine coolant/antifreeze to prevent freezing during cold weather seasons. The antifreeze acts as a rust inhibitor which prevents small particles from breaking off inside the engine and damaging the water pump’s parts. Follow manufacturer recommendations and have your coolant tested regularly, though a good shop will test the coolant as part of a routine inspection.


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