www.mx-3.com They have a copy of the factory service manual scanned into their website.... it has all the diagrams of the vacuum lines and other stuff. Good Luck!
i found the diagram in the chiltons repair manual
autozone.com
On the l987 Chevrolet Celebrity with 2.8L V6 the vacuum line diagram is located on the front of the passenger side strut tower.
You can find a free 2003 Chevrolet Express Van V-6 vacuum diagram at most Chevrolet dealerships. You can also find the diagram at most libraries.
VACUUM-diagram FORD 2.9 l V6
Having a diagram of the hoses in a car will help ensure that everything is properly changed and connected. The vacuum hose diagram for a 1986 Chevy Pick up v6 can be found in its maintenance manual.
go to your nearest library find the shiltons books. 85 S10 (S-10) Vacuum / Emissions Diagram / Schematic | 2.8 L / Liter V6 This is for vehicles with standard carburation that comply with federal emissions standards: http://img178.imageshack.us/img178/4489/8528lvacuumdiagram.gif
chevythunder.com im not sure if it has the v6 diagrams tho.
A vacuum hose diagram for a 1995 Nissan Pathfinder 3.0L V6 can be found in an automotive repair manual. Automotive repair manuals for almost any vehicle can be found for around $25 at automotive parts stores.
I have a 1982 cutlass supreme and the diagram in under the hood on a front panel, If not someone may have removed it.
go to autozone.com and put in your car and go to repair guides and then to emision controles and they have some diagrams they are a little hard to read and make any sence out of but maybe you can find out what you need
vacuum hose from window washer to where it runs from small hoses running under the window