Used this stuff to clean my rear differential and it didn't do anything literally. I ended wiping it off with a paper towel. Then today decided to give it another shot and see if it could clean an oily funny. Nothing...... Didn't remove a drop. I forgot the only brake cleaner that's good are the red cans. Waste of money..... These are getting returned. Was just trying to clean a funnel to not contaminated my used coolant with oil since I finally found that advanced auto takes it. Hopefully...
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