Saab 9-5 vacuum line replacement with silicone - YouTube Click to view on Bing1:33Quick demo on swapping stock vacuum lines with 4mm ID silicone tubing found online. At the end I included a self-modified diagram taken from the WIS for a 2000 Saab 9-5.Author: chemistclipsViews: 77K Re: Vacuum Hose Diagram - Saab NG900 & OG9-3 Bulletin However, on the 1997 and 1998 900 turbo models (as well as the 99 9-3, except the Viggen model) there are 4 vacuum hoses that connect to the throttle body. You will need to remove the plastic engine cover to access these hoses. There should be a diagram of the vacuum hoses on an emissions label in the engine compartment of the vehicle. VACUUM HOSE ROUTING DIAGRAM 2001 SAAB 93 SE - Fixya SOURCE: I need an engine diagram for a 1995 saab 900 se V6. A SAAB dealer should be able to print one out for you. BTW that engine is practically identical to the V6 used in a caddy Catera, and Saturn Ion.