Volkswagen Passat 1995 Official Factory Repair Manual page 2037

EVAP canister system
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.FU08.20.2
Fig. 1 Installed position of vent line on upper
section of intake manifold
Marking on vent line must align with marking on
upper section of intake manifold (arrows).
CAUTION!
Vent line must not come into contact with other
components and must be routed over the hose
for crankcase ventilation.
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12/6/2004