Quote:
Originally Posted by nelbur
About 30 years ago some of the manufacturers of antifreeze sold a coolant with leak sealer in it as a value added. I'm guessing they stopped because brown sludge on the bottom of the jug was off putting to those who forgot to shake the jug.
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i use AMSOIL coolant, which also has this feature.....it "foams" (technicaly, not literally) out through any hairline cracks, such as block, head, gasket, radiator cores, etc, and this then hardens, which stops the leak....and it stays a nice bright yellow so you can see where you had a leak.....neat stuff.....
i cant remember seeing any coolant with stopleak before, as far as i recall.....
though this is happening constantly, and hardening up as it should and stopping the leak, when the temp cools off, probably due to the contraction, it begins to seep out again.....
i appreciate all the input so far.....between everyone's experiences, i can make a educated assumption of what i am going to do...