Hello all, I did a quick search for oil extractor and I didn't see any results. I bought a Hydro turf oil extractor and am unable to get it to work. Amazon.com: Hydro-Turf Oil Extractor 6-Liter OIL01: Automotive Is there something in the dip stick tube that blocks it from getting to the oil? When I pull it back up I would assume it should be soaked with oil. When I stick the thing in until it hits (what I assumed was the bottom) and pump, I get nothing. Am I missing something? Thanks in advance.