Green oily fluid on garage floor in front of RT rear tire. ?????? on 2001 Cadillac DeVille DTS

I know this car requires oil often. I suspect this could be radiator fluid due to the color but someone over the phone said possible air shocks. Any idea ???

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3 answers
have the cooling system pressure tested if no leaks check struts
More likely you are looking at antifreeze coolant. Go get it checked by a reputable repair shop.
could be several issues have the cooling system pressure tested to find the leak