fuel type AUDI A4 1999 B5 / 1.G Fuel Supply System Biturbo 2.8 Workshop Manual
Page 1 of 25
20-107
 
  
Fuel supply system, servicing 
(vehicles with 2.7 ltr. turbo 
engine) WARNING! 
Always comply with all applicable safety 
precautions when working on the fuel system  
Note: 
 
Always replace gaskets, seals and hose clamps 
when working on the fuel system. 
 Hose connections are secured either with 
screw-type or spring-type clamps. Always 
replace clamps with factory clamps, see Parts 
catalogue. 
1 - 
Sender for fuel gauge -G 
Ball-shaped floatCheck resistance   Page 20
-125
Removing and installing   Page 20
-128
Pa
ge 1 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 18 of 25
20-122
 
    
Note:  
The fuel accumulator housing is shown in the illustration without fuel tank.  -  Install outer fuel accumulator housing in fuel tank by aligning notch -1- 
on inner accumulator housing with notch -2- at outer accumulator 
housing. 
   The inner accumulator housing can be pushed down noticeably.
-  Apply wrench 3307 and turn inner fuel accumulator housing with pump 
approx. 15  to the right to stop. Notch -1- is then aligned with marking 
-3- (bayonet-type connection). 
    
Note:  
Lubricate O-rings with fuel before installing.  -  When installing, turn flange to the right (direction of arrow).
-  Connect fuel return line on the inside of flange.
Pa
ge 18 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