A8 Quattro Sedan V8-4.2L (BFM) (2005)
‹› Activation for both vacuum diaphragms
2
Vacuum diaphragms for intake manifold change-over
3
Intake Air Switch-over valve (N335)
‹› Activation for flap in air filter
a - T-connector for vacuum supply from intake manifold change-over valve
b - Vacuum supply from intake manifold
c - Vacuum line to low pressure reservoir (vacuum reservoir)
d - T-connector for vacuum supply from Intake Air Switch-over valve (N335) and low pressure reservoir
e - T-connector for vacuum supply from Intake Manifold Change-Over Valve (N156)
f - Vacuum line to flap in air filter