AUDI A4 1998 B5 / 1.G AFC Engine Fuel Supply System Components Workshop Manual

AUDI A4 1998 B5 / 1.G AFC Engine Fuel Supply System Components Workshop Manual A4 1998 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/981/w960_981-0.png AUDI A4 1998 B5 / 1.G AFC Engine Fuel Supply System Components Workshop Manual

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AUDI A4 1998 B5 / 1.G AFC Engine Fuel Supply System Components Workshop Manual 20-1
 
     
Fuel supply system 
components, removing and 
installing 
     
WARNING! 
     
Always be sure to comply with applicable 
safety precautions when working on the fuel 
system  page 20
-3 .

Page 2 of 24

AUDI A4 1998 B5 / 1.G AFC Engine Fuel Supply System Components Workshop Manual 20-2
      
Rules of cleanliness
 
     
CAUTION! 
     
Whenever carrying out work on the fuel 
supply and fuel injection systems, carefully 
observe the following five rules of 
cleanliness.

Page 3 of 24

AUDI A4 1998 B5 / 1.G AFC Engine Fuel Supply System Components Workshop Manual      
   Avoid working with compressed air whenever 
possible. 
     
   Avoid moving the vehicle if possible.
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Page 4 of 24

AUDI A4 1998 B5 / 1.G AFC Engine Fuel Supply System Components Workshop Manual 20-3
      
Safety precautions
 
     
WARNING! 
     
When removing and installing the fuel pump 
or fuel level sensor from a filled or partially 
filled fuel tank: 
     
BEFORE beginning repairs, t

Page 5 of 24

AUDI A4 1998 B5 / 1.G AFC Engine Fuel Supply System Components Workshop Manual (such as for compression testing) disable the 
ignition and fuel injection systems: 
     
Disconnect the ignition coil power output 
stage. 
     Disconnect harness connectors from all fuel 
injector

Page 6 of 24

AUDI A4 1998 B5 / 1.G AFC Engine Fuel Supply System Components Workshop Manual 20-4
      
CAUTION! 
     
BEFORE disconnecting the battery: 
     
Stop the engine.
     Be sure the ignition is switched OFF (also 
applies when connecting the battery). Failure 
to do so may damag

Page 7 of 24

AUDI A4 1998 B5 / 1.G AFC Engine Fuel Supply System Components Workshop Manual connector test kit. 
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Page 8 of 24

AUDI A4 1998 B5 / 1.G AFC Engine Fuel Supply System Components Workshop Manual 20-5
      
Flange and fuel level sensor, removing 
and installing
 
     
Observe safety measures   page 20
-3 
     
Pay attention to rules of cleanliness   page 20
-2 . 
     
WARNING! 
     
Fire

Page 9 of 24

AUDI A4 1998 B5 / 1.G AFC Engine Fuel Supply System Components Workshop Manual      
-  Disconnect battery Ground (GND) strap.
     
-  Remove cover for fuel pump module flange 
(under luggage compartment trim). 
     
-  Disconnect harness connector for fuel level 
sensor and f

Page 10 of 24

AUDI A4 1998 B5 / 1.G AFC Engine Fuel Supply System Components Workshop Manual 20-6
 
    
Installing  
_________________________________________________________  
Front-wheel-drive vehicles:  
All-wheel-drive vehicles:  
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