I seem to have an interesting problem with my C900 - the vacuum pump may have sprung a leak. The hoses all seem fine - the accelerator shifts when I apply a vacuum - but when I run the vacuum pump itself, there's the usual pump sound, a gentle hissing, and nothing moves. It's not referred to as a common problem, so I thought I'd ask if anyone had seem anything similar. I also remember someone having cc trouble recently, and a failed vacuum pump doesn't seem to be on the usual web checklists.
James