These manuals are scans of the official
Alfa Romeo workshop manuals,
lots and lots of useful information along with plenty of diagrams.
Some of the manuals are in PDF format,
and some are links to HTML documents, please click the manual name
Alfa Romeo 164 workshop
Alfa Romeo 166 Workshop manual files
Please download both of the above 166 files into a directory on your
computer, then either burn them to a CD or use a utility like Daemon
tools lite, to mount the image to your PC and install.