Radiator Boils Over when the Engine is Semi-hot | its all about car

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Radiator Boils Over when the Engine is Semi-hot

Car Problem Diagnosis
Even when your car engine is semi-hot the radiator boils over.

Car Problem Diagnosis
This kind of problem occurs when you have a leaking radiator cap. Radiator cap keeps your car entire cooling system under pressure, when the radiator cap is leaking your coolant boiling point will become below its normal boiling point thus the coolant will boil easily even the engine is semi-hot.
Another cause of problem is that when you have a wrong ratio of anti-freeze coolant and water. Anti-freeze coolant is used to keep the water inside your radiator from freezing when the ambient temperature is very cold also when you add anti-freeze in your radiator it will raise the boiling point of water. A good ratio is 50/50 mix of water and anti-freeze however, if there is a wrong anti-freeze/water ratio then problem occurs. 

Possible Cause of Radiator Boils Over
Leaking radiator cap or wrong ratio of water against anti-freeze.

How to Fix Radiator that Boils Over When Engine is Semi Hot
First thing to do is to find out if you have a leaking radiator cap, remove the radiator cap (do this when the engine is cold), inspect if there is a cracks on the rubber part of the radiator cap then screw back the radiator cap into radiator. Check if there is looseness on the radiator cap and if it fits well into the radiator. If you notice something unusual replace the radiator cap with a new one and observe if it’s correct the radiator boil over problem

If the radiator cap seems fine, the problem lies with the anti-freeze/water ratio. Just replace the coolant with a 50/50 mixture of anti-freeze and water. Also consider your car entire cooling system back flushed so that the old coolant will completely remove from your cooling system.

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