Quote:
Originally Posted by Arizona_928
Evaporation/vaporization.
Sealed system... so it has to go somewhere. Get some coolant dye before tearing off the head
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Harbor Freight has a cheap kit to see if there are combustion fumes in your coolant. You have to buy a separate bottle of dye which is $10.
https://www.harborfreight.com/search?q=head%20gasket%20test
It works