And a video. At the end of the video is the actual problem. I think normally that those two parts are held together by the spring in the upper section of the piston. However, as you can see, there is about a half a centimeter where it isn't being pushed together by the spring. That's what the clanking was.
Edit: Oh right, the questions:
1) How the fuck do I fix this?
2) What lube should I use if I fix it and end up closing the piston successfully, because the stock lube will probably have dried out? I'm leaning against a spray lube, because it doesn't make things as slidey as grease does. Slilicone grease?
Edited by TantumBull, 26 October 2008 - 02:51 PM.