I have a 2005 Marzo All Mountain SL that works beautifully but the other day I was routinely checking all air pressures and the PAR valve on the bottom left fork had a grayish milky substance that come out of the valve when I took the pump off of it. It did not spill out all over the place, rather it just hung around the air valve. I dabbed it with my finger and it was oil I guess. Does this mean it needs servicing? Why would it be a grayish milky color :skep: ? Thanks all opinions and inputs are greatly appreciated.