battery AUDI A4 1996 B5 / 1.G Fuel Supply System Biturbo 2.8 Workshop Manual

AUDI A4 1996 B5 / 1.G Fuel Supply System Biturbo 2.8 Workshop Manual A4 1996 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1101/w960_1101-0.png AUDI A4 1996 B5 / 1.G Fuel Supply System Biturbo 2.8 Workshop Manual

Page 6 of 25

AUDI A4 1996 B5 / 1.G Fuel Supply System Biturbo 2.8 Workshop Manual 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

Page 7 of 25

AUDI A4 1996 B5 / 1.G Fuel Supply System Biturbo 2.8 Workshop Manual 20-113
      
Note:  
     The fuel pump runs very quietly. Be sure to keep 
outside noise low when testing the fuel pump. 
      If you cannot hear the fuel pump run:  
     
-  Remove carpet liner i

Page 10 of 25

AUDI A4 1996 B5 / 1.G Fuel Supply System Biturbo 2.8 Workshop Manual 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 wi

Page 11 of 25

AUDI A4 1996 B5 / 1.G Fuel Supply System Biturbo 2.8 Workshop Manual 20-117
      
-  Connect alligator clip to battery (+) .
     
-  Remove fuel filler cap 
     
-  Remove engine cover 
     
WARNING! 
     
Fire hazard! Remove everything from the area 
that could i

Page 12 of 25

AUDI A4 1996 B5 / 1.G Fuel Supply System Biturbo 2.8 Workshop Manual **)
 Voltage at fuel pump with engine not running but pump running 
(approx. 2 Volt less than battery voltage).  
Pa
ge 12 of 25 Fuel su
pp
ly system, servicin
g (vehicles with 2.7 ltr. turbo en
gine

Page 14 of 25

AUDI A4 1996 B5 / 1.G Fuel Supply System Biturbo 2.8 Workshop Manual 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

Page 19 of 25

AUDI A4 1996 B5 / 1.G Fuel Supply System Biturbo 2.8 Workshop Manual 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.

Page 25 of 25

AUDI A4 1996 B5 / 1.G Fuel Supply System Biturbo 2.8 Workshop Manual 20-129
      
Installing  
      Installation is in reverse order of removal, but do 
the following:  
     
-  Install sender for fuel gauge in guides of outer 
fuel accumulator housing and press dow