Page 4 of 25
20-110
 
  
 Repair Manual, Fuel Injection & Ignition,Repair 
Group 24    10 - 
Fuel Pump (FP) 
With fuel screenCan only be replaced with fuel pump flangeRemoving and installing   Page 20
-118
Fuel pump, electrical check   Page 20
-
111
 
Pressure test:
11 - 
Fuel accumulator housing, lower part 
Part of fuel tankCannot be replaced separately
Pa
ge 4 of 25 Fuel su
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ly system, servicin
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)
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        Page 6 of 25
20-112
      
Test conditions:  
     
Battery voltage at least 12 V 
     Fuse 28 OK 
    
Test sequence  
Relay 6 in central electric OK Fuel filter OK Ignition switched off. 
-  Open cover for fuse panel on left side of instrument panel.
-  Remove fuse 28 from fuse panel (left row, fifth large fuse from the top).
    
-  Connect remote switch VAG1348/3A with adapter wire VAG1348/3-2 to 
right terminal of fuse socket 28 -arrow-. 
-  Connect alligator clip to vehicle battery (+).
-  Press remote switch button.
Fuel pump must be heard to run. 
Pa
ge 6 of 25 Fuel su
pp
ly system, servicin
g (vehicles with 2.7 ltr. turbo en
gine
)
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p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE04.20.4 
     
        
        Page 10 of 25
20-116
      
Fuel pump delivery volume, checking
 
     
Vehicles with 2.7 ltr. turbo engine  
    
Special tools needed:  
Test conditions:  
Test sequence  
Remote switch VAG1348/3A with adapter wire VAG1348/3-2Measuring cupBattery voltage at least 12 V Fuel filter OK Ignition switched off. 
-  Open fuse panel cover at left side of instrument panel.
-  Remove fuse 28 from fuse panel (left row, fifth. large fuse from the 
top). 
    
-  Connect remote switch VAG1348/3A with adapter wire VAG1348/3-2 to 
right terminal of fuse socket 28 -arrow-. 
Pa
ge 10 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 14 of 25
20-119
      
Removing  
     
-  Obtain radio code for radio with anti-theft 
coding. 
     
-  Switch off ignition and disconnect battery ground 
(GND) cable. 
     
-  Briefly open fuel filler cap and then close it 
again. 
     
-  Empty fuel tank if necessary using fuel 
evacuator unit VAG1433 A. 
     
 
Front wheel drive   Page 20
-18
 .
     
 
All wheel drive   Page 20
-66
 .
     
Note:  
     
The fuel tank may not be filled more than 
1/3. 
     
-  Remove luggage compartment liner.
     
-  Remove cover for fuel pump flange.
     
WARNING! 
Pa
ge 14 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 20 of 25
20-124
      
-  Move power windows up to stop.
     
-  Then operate power window closing switches 
again for at least 1 second to activate the 
automatic up-and-down run. 
     
- Adjust time clock.
     
-  Activate readiness code:
     
       Repair Manual, Fuel Injection & Ignition, 
Repair Group 01   
Pa
ge 20 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