Try http://www.mercedesshop.com/shopforum/showthread.php?t=105297 http://www.mercedesdismantlers.com/AutomaticTransmissionInformation.html http://ericandkat.com/mercedes/W123VacDoorLockDiag.doc http://www.peterschmid.com/vacuum/1980/617_950.jpg. http://www.performanceproducts4benz.com/Drawings.aspx?bmid=132 http://boostnbenz.1baddsm.com/DIY/Vacuum/
(Careful, some of these links are to www.ultrahot.com, and don't work)
autozone.com
images.google.com ? you might want to try Vacuum diagram, and then Intake diagram. Depending on what exactly you're looking for.
My 84 D turbo has the lock vacuum pump in with the spare tire .
I own a 1989 Sunbird GT turbo and the vacuume line diagram is located under the hood on the top left corner.
A vacuum hose diagram, for your Subaru, can be obtained from most Subaru dealerships. The vacuum line diagram can also be obtained from most auto-parts stores.
You can find a vacuum diagram for your 1987 2.4 liter nonturbo engine in most service manuals. The service manuals can be found at your local library.
A Chilton's Automotive Repair manual will have a diagram for the vacuum lines for the 1988 Supra Turbo. This is an inexpensive manual when compared to the labor costs. It is about $25 at most automotive parts stores.
Haynes Repair Manual for Volvo 760/740 has diagrams of the vacuum sub-systems.e,g. the EGR, the ignition etc
The diagram may be available by an online search. If not, then look an a service manual, available in some library's or any auto parts.
Go to DTAmotorsports and download you a free service manual. http://dta-motorsport.com
Diagram for vacum line / heater lines for 1983 nissan 280z
My turbo does not boost