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Tacoma Bob · 01-01-2023, 08:30 PM

Whatever you do don't let anyone convince you to use "waterglass" (sodium silicate) I had the same issue and an old timer gave me some to use. It made a mess of my cooling system. I had that crap in there for several years. Some guys swear by it. I swear because of it.

01-01-2023, 08:30 PM	#14
Tacoma Bob Senior Member Join Date: May 2010 Location: Tacoma, WA Posts: 1,040	Re: Coolant weep around head nut Whatever you do don't let anyone convince you to use "waterglass" (sodium silicate) I had the same issue and an old timer gave me some to use. It made a mess of my cooling system. I had that crap in there for several years. Some guys swear by it. I swear because of it.