This web-site explains the repair quite well: capacitor problem
Here is a listing on eBay for a capacitor repair kit: Capacitor Kit
I have never used one, and don't know anything about the chap, I just remember running across his listing a while back.
Max Power, he's the man who's name you'd love to touch! But you mustn't touch! His name sounds good in your ear, but when you say it, you mustn't fear! 'Cause his name can be said by anyone!