[fjmartin]

Not sure what was in there. There is a rubber seal that "should" have prevented anything from entering. It was thick and sticky like a lube that was OLD. No sand or dirt. I cleaned it with alcohol and a rag and kept putting in the bolt in the shaft and spinning it will in moved freely. Most of the length of the bolt is smooth and has a flat spot. That made for easy collection of gunk from inside the sleeve.