There must be something wrong with your browser, the link works fine
If your vacuum pump is making noises, it's time to disassemble it, there are excellent directions on that link for minor repairs, and if you use the search engine, you'll find some very good threads on this subject as well for more serious problems with vacuum pumps
Hopefully, you stop your vehicle when the motor starts making strange noises
See
Post 413653 (missing)
(hey_man: "Use The Fucking FAQ", The Couch) if you have any more questions