wiring AUDI A4 2000 B5 / 1.G Fuel Supply System Biturbo 2.8 Workshop Manual
Page 9 of 25
20-115
 
    
If wiring and connections are OK:  -  Check electrical connections between flange and fuel pump, check for 
continuity. 
-  Fuel pump is faulty; replace pump   Page 20
-118
 .
Pa
ge 9 of 25 Fuel su
pp
ly system, servicin
g (vehicles with 2.7 ltr. turbo en
gine
)
11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE04.20.4 
Page 19 of 25
20-123
      
-  Wrap wire for fuel gauge sensor around fuel 
supply line (inside fuel tank) and connect to 
flange. 
     
-  Seal for flange must be dry when inserted in 
opening of fuel tank. 
    
Note:  
-Arrow 3- applies for vehicles with front wheel drive.  -  Insert flange in fuel tank. 
   Installation position for vehicles with all-wheel drive: -arrow 1- must be 
opposite -arrow 2-. 
    
Note:  
Check that all fuel line and hose connections are securely seated. 
 Radio operating manual    -  Tighten threaded cap nut to 60 Nm with wrench 3217.
-  Connect wiring and connector.
-  After reconnecting the battery enter radio anti-theft code.
Pa
ge 19 of 25 Fuel su
pp
ly system, servicin
g (vehicles with 2.7 ltr. turbo en
gine
)
11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE04.20.4 
Page 21 of 25
20-125
      
Sender for fuel gauge -G, checking
 
     
Vehicles with 2.7 ltr. turbo engine  
     
Note:  
     To check the signal/wiring between the sender -
G and the fuel gauge: 
     
       Repair Manual, Electrical Equipment, Repair 
Group 90
   
    
Special tools needed:  
VAG1526 A 
    
VAG1594 A 
Pa
ge 21 of 25 Fuel su
pp
ly system, servicin
g (vehicles with 2.7 ltr. turbo en
gine
)
11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE04.20.4