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Farmall Tractors Discussion Board |
Re: Radiator Cap - Pressure or Not
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Posted by john d. on January 31, 1999 at 14:38:52:
In Reply to: Radiator Cap - Pressure or Not posted by Alan Hoover on January 31, 1999 at 14:22:26:
Only if you want it to boil sooner. The 7 pound cap (assuming it works correctly) pressurizes the system to RAISE the boiling point of the coolant. Water boils at 212 degrees F. at sea level. The boiling temperature decreases some as you go to higher altitudes. Permanent antifreeze will raise the boiling point according to how much you add. Check the chart on the back of the container to find out how much. If the radiator boils water out, things are either getting too hot, or the radiator is too full. I don't know if these things have a water pump or not, but they do have a fan. If the fan belt is slipping, that could be part of your problem. It's also possible that your tractor's radiator has years and years of accumulated crud in it that keeps it from being as efficient as it should be.
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