Are there ANY free on-line auto repair manuals?? I mean, real on-line, manuals that I can use without paying?

I am working on my friends 1985 Chevy caprice classic and I am cannot get vaccum diagrams, and emission control helps or hints other than changing the EGR valve and PCV valves in addition to the other well known fixes for emission control problems. I have replaced all vaccum lines but I fear I may have missed some. I am certain I have done the most common, well known things a person can do. I really need an emission control schematic, that includes specs. and troubleshooting. Thank You very Much if You can Help!!

No. That information costs real money. Nobody is going to just give it away. You could however, try your local library.

Automotive Troubleshooting : How to Troubleshoot a Car’s Clutch

Auto Repair For Dummies $9.92 Most of us don’t know the first thing about the machines we’re licensed to drive – and this can turn a ticket to freedom into a ticket to trouble. If you’re like most people, you probably tend to drive around until something goes wrong with the car. You then incur the expense of replacing worn and burnt-out parts (or the entire engine) when low-cost, regular maintenance could have kept yo…