20-78
 
  
Fuel supply unit and sender for fuel gauge 
-G, component overview
 
Vehicles with all wheel drive and 1.8 ltr. turbo or 
2.8 ltr. engine  
1 - 
Sender for fuel gauge -G 
Float is cube-shaped
  - Check resistance values:   Page 20
-99
Removing and installing:   Page 20
-101
2 - 
Return line 
With fuel pumpOn inside of cover flangeRemoving and installing   Page 20
-104
Disconnecting: press unlatch buttons on 
connector piece 
3 - 
Sealing ring 
 -ReplaceInstalling: insert dry into fuel tank opening
Pa
ge 27 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 
20-93
      
WARNING! 
     
Fuel system is under pressure! Before 
opening, place clean cloths around the 
connections to be opened. Carefully loosen 
the connections to relieve pressure. 
    
-  Mark return line -2- and supply line -3- and disconnect from cover 
flange. 
-  Unlatch and disconnect 4-pin harness connector -1-.
    
-  Unscrew union nut using 3217 wrench .
-  Remove cover flange and sealing ring from fuel tank opening.
-  Disconnect fuel level display harness connector on inside of flange 
cover. 
-  Disconnect return line on inside of cover flange (press unlatching 
buttons). 
Pa
ge 42 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