I have made some changes. The manuals are now being served up from my dropbox rather than my home server.
You benefit with faster downloads.
I benefit by not having you rape my bandwidth.
Let me know if you have any problems with the new setup.

Chevy Manuals
Haynes Manual - 1999-2006 Silverado.pdf
Haynes Manual - 1988-1998 Silverado.pdf