head gasket instructions please?

1997 CADILLAC CATERA
66,000 MILES • 3.0L • V6 • 2WD • AUTOMATIC
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DELLIOTT49
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their is a substance in the cooling system looks like peanut butter maybe oil in with coolant. Plus I am replacing the radiator obviously need to flush the system out any tips on any of this?
Jul 2, 2016 at 12:47 PM
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KASEKENNY
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You are correct that this is most likely a head gasket. Here is a guide that will help confirm this:

https://www.2carpros.com/articles/head-gasket-blown-test

Once we know that this is the head gasket we will need to replace them. Here are some guides that will provide more info that you will need to flush the system after the gaskets are replaced:

https://www.2carpros.com/articles/coolantantifreeze-in-the-engine-oil

https://www.2carpros.com/articles/coolant-flush-and-refill-all-cars

Let us know what questions you have and we can go from there. Thanks
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Jan 29, 2021 at 5:37 PM