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The thermostat.

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11y ago

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Why would a 2002 Cadillac STS run hot?

Air flow through radiator restricted with debris. Coolant flow through inside of radiator restricted with debris. Low on coolant. Faulty thermostat. Coolant fans inop.


What controls the coolant flow through a radiator?

The thermostat regulates coolant flow through the radiator by opening and closing based on the engine temperature. When the engine is cold, the thermostat remains closed to allow it to warm up quickly. As the engine heats up, the thermostat opens to allow coolant to flow through the radiator and dissipate the heat.


Does water flow through the fins in a car radiator?

No, water does not flow through the fins in a car radiator. The fins are there to dissipate heat from the coolant circulating through the radiator tubes. Air passing over the fins helps cool down the hot coolant flowing through the tubes.


What causes engine oil and engine coolant to run over 200 degrees?

Could be, Restricted air flow through outside of radiator, Restricted coolant flow through inside of radiator, Faulty fan clutch, Missing or broken radiator fan shroud, Faulty thermostat, Low on coolant,


Why do radiators have grooves?

That is for the air can flow through the radiator and cool the engine coolant down.


What would cause your 1997 Chevy cavalier to get hot?

Low on coolant. Cooling fans are not operating. Faulty thermostat. Air flow through radiator is restricted. Coolant flow through inside of radiator is restricted. Bad head gasket.


Does the radiator on a 1999 mercury mountaineer come out from the top or bottom?

When the thermostat is open the coolant will flow through the top radiator hose in to the radiator and out to the water pump through the bottom radiator hose


Which way does coolant flow in a small block Chevy engine?

It goes in through the lower radiator hose, and out through the upper.


How do you drain and fill radiator coolant in jeep liberty sport?

The radiator drain plug should be located on the bottom of the radiator on the passenger side. Open that, let the old coolant flow into a drain pan, replace the drain plug once the coolant is out and the radiator is flushed, then fill it up through the radiator cap.


Does the fluid in the radiator have to flow as soon as you turn the engine on?

No , the engine coolant will start flowing through the radiator when the engine coolant thermostat starts to open ( assuming everything is working properly ) Helpfull


What is a radiator hose?

It is a flexible conduit for the coolant to flow between the engine and the radiator.


What can make the car get hot but not all the time?

A faulty fan clutch. A sticky thermostat. Low on coolant (leak in system). Missing fan shroud. Restricted air flow through radiator (plugged with debris). Restricted coolant flow through inside of radiator (in need of flushing).