Quote:
Originally Posted by john in illinois
Car washes prohibit greasy parts cleaning. As you said it goes into the drains ,often cloging them. You are doing them a disservice if you do that.
John
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Point taken, John, thanks. The ones I have used specifically have a mode of operation spraying "engine degreaser" and have oil/water separators in their lines for this purpose. But you're right, most don't allow that and have postings saying so. I should have clarified.
And in any event, you should always scrape off as much of the gunk as you can get to and set it aside before you hit with liquid, even high pressure.
JayJay