A8L V8-4.2L (BFM) (2004)
Intake Manifold: Locations
Overview: Intake Manifold Change-over
1
Intake Manifold Change-Over Valve -N156-
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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