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Why does the radiator constantly need toping up?

Updated: 8/20/2019
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12y ago

Best Answer

It means that you've got a leak somewhere in the cooling system.

extra:

- CHECK YOUR HOSES FIRST

-Check your engine oil dip stick, if the oil is milky there is a possibility of a cracked head.

- Check your radiator with the pressure cap off (Do this when the engine is cold Don't do it when the engine is hot as there is high danger of scalding if you attempt to remove the cap ) If there is oil in the water then you may have blown the head gasket. Another indication is when you start the engine with the pressure cap off there may be bubbles in the radiator.

- Check the frost plugs haven't popped out or are corroded (this usually happens on the older engines that haven't had a good radiator servicing)

- Some vehicles have problems with leaking hoses in the car heaters (older cars)

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12y ago
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