air filter AUDI A4 1999 B5 / 1.G AWM Engine Charge Air Syst

21-3


Connection diagram for charge air control
and vacuum pressure control

1 -
Activated charcoal filter (ACF)
2 -
EVAP Canister Purge Regulator valve -
N80-
3 -
Non return valve for ACF
Between ACF container and intake line in
front of exhaust turbocharger Note position (light side/ dark side) as
shown in Fig; arrow faces in direction of
flow
4 -
Air cleaner With Mass Air Flow (MAF) sensor -G70-
Pa
ge 3 of 17 Char
ge air s
ystem with turbochar
ger, checkin
g
11/21/2002 htt
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pair&id=AUDI.B5.GE06.21.1