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On the road the temp is in normal range but when slowing to stop and go it instantly runs hot and boils out fluid in a 1999 Taurus?
Sounds like the thermostat is sticking,or you have air in the system.
Top off or fill the cooling system ,fluid should be added thru the overflow bottle not the radiator cap
Have the radiator hoses checked. they may be weak and closing up when engine is slowed down, this will prevent proper circulation of the coolant
Radiator cap may also need replacing,but usually a bad radiator cap will cause overheating any time , not just when slowed or stopped
Check the radiator cooling fans for proper operation - they should be running when the air conditioning or defrosters are on.
Double check the fan wiring harnesses are connected.
These fan have their own fuses - easy to check
See "Related Questions" below for more
What else can I help you with?
What is the temerature water boils at?
at normal atmospheric temperature (in plains) it boils at 100oC
Why hot steel metal blasts when reacts with water?
When a hot enough object meets water, some of the water boils instantly. As any substance boils it expands.
When lava meets a glacier the frozen water instantly boils into what?
Ice is transformed in liquid water and vapors.
What is the temperature at which water boils on the Fahrenheit?
"Turning to vapor" is a description of boiling. At normal conditions, water boils at 212oF.
What temperature does Fahrenheit boils?
212 °F Is the boiling point under normal conditions.
What degree celsius does liqiud hydrogen boil?
Hydrogen, at normal atmospheric pressure, boils at -252.879 °C.
When does Celsius boil?
Water boils at 100 degrees Celsius under normal atmospheric conditions.
What temparture does boil Celsius?
Water boils at 100 C, under normal atmospheric conditions.
What temperature in Celsius boil?
100 degrees Celsius is the boiling point of water under normal atmospheric conditions.
What C does water boil under normal atmospheric pressure?
Water boils at 100 degrees Celsius under normal atmospheric pressure.
What is the normal phase of iodine?
100c Is the normal Temperature for Iodine.
What is a normal temperature for coolant?
Around 105 degrees Celsius. Water under pressure boils at a higher temperature
