How much Sea Foam in oil in a 2017 Subaru WRX? [SOLVED]

Asked by Edson C. In Washington

I have a 2017 Subaru WRX. How much Sea Foam Motor Treatment would I need to add to the oil crankcase? My car takes 5.4 quarts of oil.

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Jim D.
Jim D.
9 months ago

Thanks for the question, Edson.

Add 1 ounce of Sea Foam Motor Treatment per quart of oil. So that would be 5-6 ounces of Sea Foam in the crankcase of your Subaru.

You can add it at any time, but we recommend adding it about 100-300 miles before your next oil change. That way it has time to clean and all the stuff the Sea Foam cleaned can be drained away with the old oil. Adding it to oil cleans residues and deposits in the oil crankcase.

 

 

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