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No never. Not if both surfaces are good, clean and true. I've never, ever, used sealant on a head gasket.

If the surfaces are NOT true etc. then you should get them faced by an engineering firm.

Always use a new gasket every time. Never use an old one.

(The only exception is that the vehicle manufacturer says to use sealant in the manual.)

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โˆ™ 2015-07-15 18:38:19
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Q: Does a head gasket needs any kind of silicone or glue prior installation or just proper torque?
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