Originally Posted by EddyR

I have posted this before and never got any feedback. Auto antifreeze in crockpot over night and parts come out like new. I started this over 20 years ago for model engines with backed on castor oil. Delrin parts should not go in for more than a hour. I started using it for bike parts when I got into flipping large amounts of bikes. You can use the fluid over and over as junk goes to bottom. I cleaned off antifreeze with tap water if needed. Frozen ballbearings in model engines spun like new.
Ed