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On 10 Jun 2001, at 17:16, Russ Wolfe wrote: > > > IIRC the hose that comes out of the pump goes to the port that > > > feeds the center of the filter. Often there is a cast in marking on the > > > filter base saying "IN" at the right location. I have always found this > > > confusing, too, since it's not clear which way the filter expects the > > > oil to flow thru it, and, yes, it matters. > Filters are designed to filter from the outside in. This gives more surface > area. Imagine a roll of toilet paper. More area on the outside. Okay, I went down and actually looked at one and, of course, Russ is right, the oil goes in the outside. I don't buy the area argument, however. The element is a pleated sheet of paper; both sides have the same area. - ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ------------------------------------------------------------------- List info at http://www.vwtype3.org/list or mailto:help@vwtype3.org