24-180
 
  
17 - 
Charge air cooler 
with charge air pressure sensor -G31-
18 - 
Throttle valve control module -J338- 
19 - 
Recirculating valve for turbocharger-
N249- Installation location: Below intake manifold
20 - 
Intake manifold with Intake Air Temperature (IAT) sensor -
G42- 
21 - 
Vacuum diaphragm for boost pressure 
regulation When the combination valve is opened, the 
mechanical boost pressure regulation valve 
in the turbocharger is opened and 
secondary air is thereby channeled past 
the turbocharger directly to the catalytic 
converter 
Pa
ge 4 of 5 Vacuum dia
gram
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.24.6