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The engine probably has a bad head gasket or a cracked head.

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โˆ™ 2014-09-25 00:20:45
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Q: What does it mean when radiator overflow is bubbling?
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How do you fix a cracked radiator reservoir?

If you mean the plastic overflow tank, replace it. If you mean the plastic tanks on either side of the radiator core, replace the radiator.

Why radiator overflow bottle melted?

Bad radiator fluid.

Coolant fluid bubbling in overflow tank?

thermostat or blown head gasket....

What does it mean when the overflow tank is bubbling when you start the car?

Might mean you have internal engine damage like a blown head gasket. You need to get this professionally checked.

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Filling the overflow to the correct level will suffice as the radiator will draw out what it needs.

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no antifreese

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What is the hose that goes from the overflow to the bottom of the rad on a 2002 windstar?

The hose that goes from the overflow to the bottom of the radiator on a 2002 Windstar is the bypass hose. It allows coolant from the overflow to return to the radiator as it cools.

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Coolant is added to the overflow bottle instead of the radiator. The overflow bottle will allow fluid to fill over into the radiator.

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