20-53
 
  
Fuel supply system, servicing 
(vehicles with all wheel drive 
and 1.8 ltr. turbo or 2.8 ltr. 
engine) Fuel tank assembly, component overview
 
Note: 
 Repair Manual, Fuel Injection & Ignition, Repair 
Group 24     
Checking fuel pump relay and triggering: Secure all hose connections using spring 
clamps. 
 VAG1921 pliers are recommended for installing 
spring clamps 
 Always replace sealing rings and gaskets during 
installation work. 
 Always refer to the Parts Catalog for availability 
of individual items in an assembly. 
Pa
ge 1 of 55 Fuel su
pp
ly system, servicin
g (vehicles with all wheel drive and 1.8 ltr. turbo or 2.8 ltr. en
gine
)
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE04.20.3 
20-83
      
Test requirements 
     
Battery Voltage: 12 Volts minimum 
    
Fuse 28 OK 
    
Relay 6 in Fuse / Relay panel OK Fuel filter OK Ignition switched OFF. 
Pa
ge 32 of 55 Fuel su
pp
ly system, servicin
g (vehicles with all wheel drive and 1.8 ltr. turbo or 2.8 ltr. en
gine
)
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE04.20.3