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Old 10-24-2021, 04:32 PM   #1
spinelll
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Join Date: May 2010
Location: Northern New Jersey
Posts: 337
Default What is this in my anti-freeze?

Just noticed this today after a short ride.

The foam is not oily.
The bubbles did NOT dissipate even after a few hours.

The dipstick was clean.
A few year back I did a LestOil shuffle in the cooling system but never had foam after that.

Thanks
Leo
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