Yeah, no it doesn't.
At 1 bar water boils at 99.6°C
But that is just being a bit anal.
When under a high pressure water boils at a higher temperature
At 2km above sea level which is around 0.8bar water boils at 93.4°C
When the radiator is under 1.1 bar of pressure
You would be at -700m below sea level to get the same boiling point of 102°C
But overall it is the pressure that dictates boiling point.
Now start adding other compounds into it and the boiling point changes.
Add 1oz of Sodium Chloride to water and the boiling point increases by 1°F
Best double check that.
Water boils at 120°C when at 30.5psi
1. I stand at 100 degrees.
2. What's sea water got to do with it, he's not adding that is he.
3. The person who suggested water is from Staffordshire, England. When we get High pressure we think summers arrived but it goes after a couple of days. Usually we get low pressure front after low pressure front rolling in from those yanks.
4. As mentioned, it is a bad practice and can cause problems if you add water to your coolant diluting it. It will lower the boiling point. And if left unchecked will cause corrosion in your system.
5. It lowers the ability of your coolant to protect engine at freezing temperatures. Stafford should know we can get those after this years winter.
6. Plain old tap water is the worst offender to cause corrosion, in a desperate situation distilled water should be used. But only when engine cooled.
7. If he suspects his system is leaking coolant, check for the obvious drip signs. Re-seat or change the radiator cap incase that's misbehaving. My mk8 used to wind me up by leaving white residue around the base of the radiator cap. So I took it off, wiped it, refitted and then topped up expansion tank to midway on a cold engine. Then spent every time I lifted the hood checking around the cap with a ledlenser.
And 700m below sea level 1.1 bar. ?
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