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When vehicle is running: Water pump is circulating coolant and cooling system pressure is building

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Q: Why does your radiator leak only when the car is on?
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How do you know if it is a radiator leak?

For radiator leaks look for the following signs: The car will overheat Coolant level will frequently drop Pool of coolant or water under the car radiator Obvious leak noted from radiator on starting the car Faulty radiator cap causing the leak


What can be wrong when car is car leaking antifreeze?

there might be a leak some where in a coolant line. or maybe you have a leak in your radiator.


Cooling system leak on a 1999 Lincoln Town Car?

IF THE LEAK IS FROM THE RADIATOR, THERE IS NO FIX EXCEPT TRY THE RADIATOR STOP LEAK CANS OF FIX....IF THAT DON'T WORK, GET A NEW RADIATOR. THAT'S ALL YOU CAN DO!!!!!!!!!!!


Is stop leak a good way to stop a minor car radiator leak?

A raw egg in to the tank.


Why is my car constantly requiring radiator refills?

Because you have a coolant leak somewhere.


What happens if you have a hole in your radiator?

Your car will leak anti-freeze/coolant. If you run out of fluid in your radiator then your car will overheat in a short period and cause much more damage. Fix your radiator!


When my car gets hot there is white smoke coming from radiator?

That smoke is steam. You have a leak in the radiator or a hose. Take it to a mechanic.


What does it mean when water pours out from under the car when water is poured into the car?

It means you have a "BIG" leak. I would check the bottom of the radiator or the lower radiator hose.


What do I when the car gets overheated?

Turn it off. Let it cool off and then see if it has a coolant leak or radiator leak. Don't open the radiator when hot because the hot water will spray out.


What causes a car to run hot and leak antifreeze?

a hose or radiator may be broken. check your hoses and radiator. where is leak coming from?? front, right?? find general area and continue from there


How can I start my car with low antifreeze?

You need to have your antifreeze up to par and if it is a leak you are worried about until you get somewhere to have it fixed there are quick fix solutions such as Barr's Leak that you can use it will seal the leak temporarily to get you to where you are going. Do not ever open your radiator cap if your car has been running - only open it when it is cold.


Why would antifreeze leak into car on driver's side?

You would have a leak, from either the pipes to the heater matrix (radiator), or the matrix itself.