Free stuck piston rings with Sea Foam [SOLVED]

Can I pour Sea Foam Motor Treatment in my spark plug holes to open my piston rings? I have a 2014 Chevy Equinox 2.4 cylinder all wheel drive.

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Jim D.
Jim D.
8 months ago

Yes, it is safe to add Sea Foam through a spark plug hole. Mechanics have used this method for decades to free stuck rings and clogged expander rings. How to do it:  Remove the spark plugs and pour Sea Foam into each cylinder cavity through the plug hole. [Note that it’s easier to use Sea Foam Spray.]  Let the engine sit and soak up to 3 days (if you have the time). Be sure to crank the engine once a day to loosen the rings. You can also add a little more Sea Foam to each cylinder each day as it sits. Adding Sea Foam to the crankcase oil helps, too!