Hello,
Ideally if you have a blown head gasket the best course of action is to replace the gasket and make sure the head is in good shape.
As far as using chemical sealers it is surely up to the debate.
Here is a helpful video we did on the chemical sealer:
https://youtu.be/Xi41RFMP8Ow
You can draw your conclusion from there as whether to use the sealer or not.
I have attached the head gasket replacement procedure for your reference.
Please let me know of any questions.
Thank you.
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Thursday, September 9th, 2021 AT 2:28 PM