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If it overheats at speed, but cools down when you slow down, the problem is likely a head gasket. Combustion gasses are leaking into the cooling system, adding bubbles (which take the place of coolant) and extra heat. Slowing down means the engine is spinning slower, and less combustion gas gets into the cooling system.
What else can I help you with?
Why a car overheats when driving but cools at idle?
check your fluids it is probably low on antifreeze and if it still does it change your thermostat that should fix the problem
Car overheats for a few minutes than goes to normal after 5 min?
Possibly thermostat is slow in opening.
Does a cold air intake helps cool down a car that overheats with the AC ON?
No.
Why does my car cools down at high speed so much that when slow down the rpm drops almost dead and not moving the temperature gauge goes back to normal?
Check/replace the thermostat.
Why won't car start after the car overheats?
Because the engine is too hot to continue cycling correctly without the pistons "sticking" against the side of the cylinders, causing them to slow down or even stop moving in extreme cases. buy some antifreeze
When car overheats why does it go down when you turn on the heat?
takes the heat away from engine low coolant??
What is the temperature at which your car overheats?
Each car overheats at a different temperature you need to look up and find out on the internet
What will slow a dragster car down?
A parachute.
Why does your car slow down uphill?
Gravity
Why does a car slow down when you accelerate?
A car goes faster when you accelerate. It slows down when you brake.
If car overheats can it catch on fire?
YES
What force could be added to slow a car down when it is going down a ramp?
Friction between the tires and the road surface can slow down a car going down a ramp. The brakes can also be applied to introduce additional friction and slow the car further. Additionally, aerodynamic drag can play a minor role in slowing down the car at higher speeds.
