How pumps work


What Causes a Car to Overheat?

A vehicle's engine can overheat due to adesigned to make the fan spin fast enough to
problem or combination of problems whichcool the engine as needed and decrease at
inhibit or impair its ability to maintain antimes when the fan is not needed. The fan's
appropriate operating temperature. Continuingclutch fluid helps regulate this process, and
to drive a vehicle that is overheating willits leakage or deterioration is a common
cause serious damage to the engine and cancause of overheating. A fan should be checked
cause chain reaction damage to otherand possibly replaced if it wobbles or spins
components that are vital to engine function.easily when pushed or if there are signs of a
If your temperature warning light comes on orfluid  leak  around  it.
the temperature gauge begins rising toward
"hot," it is important to pull overâ-ªDamaged Belts and Hoses: The
immediately and turn off the engine. Nevercondition of belts and hoses should be
attempt to open or touch a radiatorperiodically checked for quality and secure
immediately after an engine has overheated toconnections. Belt slippage may prevent proper
prevent burns and injuries to you. While somewater pump operation or interfere with fan
engine damage has likely been done at thisperformance,  leading  to  overheating.
point, turning off the engine right away can
prevent further harm. Some potential causesâ-ªRadiator Clogs: After engine coolant
for  engine  overheating are addressed below.or antifreeze (mixed with water) absorbs the
heat that has been created by the engine, the
â-ªCoolant Loss: Engine coolant, aradiator cools it before returning it to the
broad term commonly used interchangeably withengine. Radiator clogs, which can be caused
the more specific term anti-freeze, helpsby intake of debris, bugs and dirt, may block
regulate a vehicle's engine temperature,airflow and reduce the radiator's ability to
serving purposes such as preventingdisperse heat as it should, impairing its
overheating, preventing freezing andcooling ability. A clogged radiator can
hindering corrosion. A coolant leak is a verypossibly be removed and cleaned but may need
common cause of engine overheating, and canan  overall  replacement.
happen in a number of areas. Hoses, water
pumps, the radiator, head gaskets andIf your vehicle has overheated, the
cylinder heads are just a few of the areasthermometer likely incurred damage in the
that should be considered when checking forprocess and should be tested for proper
coolant  leaks.functioning and potentially replaced after
other repairs are complete. Periodic
â-ªFan Issues: The fan situated betweenevaluation of a vehicle's cooling system for
the radiator and the engine is an importantundue wear, fluid leaks, belt and hose
component to a vehicle's cooling system,condition and clogs can help identify issues
pulling outside air in to regulatebefore the true problem of overheating
temperature. Mechanical fans incorporate aoccurs.
mechanism called a fan clutch, which is



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