Quote:
Originally Posted by newton22
I would use a head gasket sealer like Blue Devil. Even if you're not sold on the idea, you can clean out all of it via an engine rebuild + flush.
I plan to use a bottle as soon as my head gasket starts leaking a bit.
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I have a 2005 V6 4runner with 150,000 miles. No HG problems, but I'm gonna try that Blue Devil when and "if" it shows up.
Runs like a top and coolant level has been perfect for 15 years.
Keep checking your coolant level in your overflow canister. If you get a bad engine miss at startup and white smoke out the exhaust, get it fixed.
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