Hi.� I see a small fluid spot on the ground directly underneath the clutch slave cylinder ('87 westy).� I'm wondering if such cylinders are likely to fail entirely in an instant or if it's more likely that the leak will get incrementally worse.� I ask because I have some errands to run, and I'd rather skip the errands than have to get a tow.� Any sense of what's likely to happen would be helpful (knowing full well that it can be hard to predict my individual outcome).

Thanks,
David