So, The cooling system is composed of various parts: the radiator, pressure cap, fan, pump, thermostat, hoses and overflow tank.

So, The primary job of the cooling system is to prevent the engine; from overheating by transferring engine heat to the air. But that’s not all. As a result, Engines are designed to operate within a specific temperature range for optimum efficiency.

When the engine is cold, components wear out faster, and the engine is less efficient and emits more pollution. So another important job of the cooling system is to; make sure the optimum engine operating temperature is obtained as rapidly as possible and is then kept constant.

All the parts that make up the cooling system serve both purposes and ensure the system properly absorbs; transports and dissipates heat.

The best way is to take a holistic approach and to examine the entire cooling system; for wear as well as for any irregularities.

Choose Your Cooling System Diagnosis Help Topic Below

Thermostat Issues – Is Your Coolant Flowing Properly

Intermittent Temperature Related Engine Problems

Engine Misfire Causes – Fuel, Ignition, Coolant Or Compression Related

Coolant-Antifreeze – Engine Cooling And Testing Made Easy

Engine Cooling Fan – Is Yours Working – How To Test It

Clean Engine Oil From The Cooling System – Find Out How

(ECT) – Engine Coolant Temperature Sensor – Function-Failure And Testing

Engine Coolant Temperature Sensor (ECT) Replacement – How To Do It

Thermostat Problems Will Affect Your Engines Performance

Automotive engine overheating causes and cures

Engine Coolant Leaks – How To Find Them – How Bad Are They

Thermostat Issues – Is Your Coolant Flowing Properly

Antifreeze-Coolant – What Are The Basics You Really Need To Know

Automotive radiator overheating causes and cures

Antifreeze-What Does It Do ? – Why Do You Need It ?

Radiator Cap – This Fairly Cheap Part Is More Important Than You Think

Bad Radiator Cap – A Cheap Fix For A Potential Disaster

Car Radiator – Consequences Of Car Radiator Overheating

Coolant Recovery Tank – No Tank – Overflow Tank – Expansion Tank

Water Pump Noise – Where Can It Come From – How Bad Is It

So, For a cooling system to function properly it needs several things; proper coolant mixture and level; sufficient pressure; adequate coolant flow and sufficient airflow. When and where a vehicle overheats provides a tech with valuable diagnostic clues; as to which of these may be missing. Driving at highway speed, for example; can offset a cooling fan or fan clutch failure that prevents sufficient airflow at slower speeds. A failure to overheat at highway speeds may also confirm adequate coolant flow; including proper thermostat operation.

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