What’s wrong with my Mazda5? Blown radiator

[Darren]

Radiator blown put k-seal in and then this happened, what could it be?

 

[Shuswap]

I'd suspect it's either a chemical reaction(I don't know what Kseal is) or head gasket.

 

[theblooms]

Don't put chemicals in your car. That never fixes the problem, all it does is generally make it worse.

Actually fix the glitch.

 

[negusm]

Flush your coolant. Why did you put that stuff in anyways?

You can't seal a radiator leak. You must replace it.

 

[Silentnoise713]

I'd suspect it's either a chemical reaction(I don't know what Kseal is) or head gasket.

+1

I used K-seal and experienced similar bubbles. Since I had air in the system affecting my heat, I burp it, which also cleared the foam. I wonder if their chemical profile reacts with FL-22.

https://www.kseal.com/k-seal-advanced-installation-instructions#:~:text=Foaming%20is%20a%20rare%20side,to%20let%20the%20foam%20escape.

K-seal is a FANTASTIC short term, hold you over, solution. Car is old, if you plan to keep it longer you'll want to replace the radiator.

K-Seal Coolant Leak

2008 @ 135K. Radiator developed a slow but continuous leak, right above the drain plug (near lowest point); pour coolant in, it comes right out in a slow/steady trickle. Thankfully I was able to catch it while I was on the road (thank god for temp gauge) and had to shut it on/off and limp my...

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