When my 6 comes out of storage in a few weeks it will be project time. Does anyone have (or can point me to) an underhood vacuum line diagram which also indicates hose size? Thank you in advance for your knowledge.
You should be able to find a copy online - if not, pick up the workshop manual for your car. It'll have all the wiring diagrams and even torque specs for future projects.
Give this a look, its on my to do list...someday.
This diagram doesn't have the sizes, but you may find it useful, nonetheless:
'85 635 CSi Euro #9402254
'87 Spider Veloce
'92 Spider Veloce
Thank you to all who responded. The diagrams links and references will be very helpful.
RSheiman, thank you for that link. i will be ordering from them. that is fantastic