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Cooling System - Houston's Premier Auto Repair Facility

Cooling System Home Page | How Does the Cooling System Work? | Affecting Factors & Vehicle Symptoms | Parts of the Cooling System | Video | Cooling System Service | Schedule Reservation 

What does the Cooling System do?

The key parts of the cooling system remove heat from the engine and automatic transmission and dissipate heat to the air outside. The water pump circulates coolant through the engine. The coolant absorbs the heat and returns it to the radiator where heat is dissipated. The thermostat regulates the coolant temperature to keep it consistent for efficient engine operation.

Service and Maintenance

  • Maintain proper coolant levels and check level monthly (Note: Never attempt to remove a radiator cap while the engine is hot. Serious injury could result.)

  • Replace coolant with a mixture of antifreeze and water according to the vehicle manufacturer's recommendations

  • Inspect engine belts for cracks or missing sections; check belt tension

  • Evaluate radiator and radiator cap for leaks, corrosion, worn cap gasket

  • Examine hoses every 12 months. Look for leaks, cracks or rot. Replace when showing signs of wear

  • Tighten any loose clamps. Replace clamps when replacing hoses

  • Have cooling system inspected immediately if instrument panel-mounted temperature gauge indicates engine overheating

  • Periodically, remove bugs, leaves and other debris from the front of the radiator. They can block airflow and substantially reduce cooling efficiency