Audi 80/90/Coupe  + 1.2. Identification of the car    + 2. Engines, carburetors   
 3. Lubrication system    + 4. Cooling system    - 5. Fuel system       + 5.2. Systems of injection of fuel       5.2.2. Fuel injectors (20-valvate models)       + 5.2.3. Electronic control system of the MPI engine    + 6. Exhaust system    + 7. System of ignition    + 8. Transmission    + 9. Suspension brackets, wheels    + 10. Brake system    + 11. Steering    + 12. Body, salon    + 13. Air conditioning system    + 14. Electric equipment   
   
  
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Prevention 
 Flammablly! You do not smoke and do not bring to the field of repair anything from what can ignite fuel. 
 Always replace all consolidations and clips. 
 Always observe purity.  
Komponeneta of fuel system (4-and 5-cylinder models) 
 
 
  1. The transferring element of the fuel level sensor  provision of installation  the arrow is directed forward  2. Fuel tank  paste sound-proof slips   to a new tank in the same situation, as well as   on an old tank  3. 25 N. of m.  4. The fixing arm  5. Sealing ring  6. Lock ring  7. The giving fuel-supply line  to the fuel filter  8. The return fuel-supply line from   fuel distributor  9. Connector of the coal filter  10. Perepuskny tube  | 11. Rubber plug  12. Ring consolidation  13. Lock ring   14. Laying of a jellied mouth  replace if wore out or it is damaged  15. Cover of a fuel-filling mouth  16. Arm  17. Mudguard  18. Drift valve  check:  the valve in vertical position = fuel leaks   the valve is inclined on 45 ° = fuel does not flow  19. Ring consolidation   before installation cover with graphite powder  |  
 
  Komponeneta of fuel system (4-and 5-cylinder models) 
  
 
  1. Store  capacity is 20 cm3  supports residual pressure of 3.4 bars  2. 10 N. of m.  3. 10 N. of m.  4. Fuel filter  provision of installation  the arrow specifies the direction of a stream   fuels  5. 20 N. of m.  6. Arm  7. 20 N. of m.  8. Giving топливодопровод to   to the fuel distributor 
  | 9. 20 N. of m.  10. Negative plug   blue wire  11. Locking valve of the fuel pump of 20 N. of m.  12. Positive plug  red wire  13. Fuel pump  14. Arm  15. 10 N. of m.  16. 20 N. of m.  17. 10 N. of m.  18. Arm  | 
  
 
 
Coal filter (4-cylinder models)  
 
 
  1. Tube  to the drift valve  2. To an inlet collector  3. Note: connections are shown disconnected  4. Electrosocket  to the electromagnetic locking valve   5. Electromagnetic locking valve (black)   ignition is included: the valve is open  ignition is switched off: the valve is closed  |  6. Assembly arm  7. Coal filter  8. Frequency valve of the coal filter (gray)  ignition is included: the valve is closed  ignition is switched off: the valve is open  9. Cover  10. Electrosocket   to the frequency valve of the coal filter  | 
  
 
 
Coal filter (5-cylinder models) 
 
 
  1. To the drift valve  2. Electromagnetic locking valve of the coal filter  3. A cover of the soaked-up air  4. Throttle case  | 
  5. Electrosocket  6. Arm  7. Coal filter  8. Cover   | 
  
 
 
Fuel system, arrangement of components for all-wheel drive (4х4) and 20-valvate models 
 
  1. The transferring element of the fuel level sensor  removal: disconnect a weight wire from the accumulator  disconnect a cover and a plait of wires from the transferring element  release the bayonet lock of the transferring element, turning it the VAG 2012A tool  provision of installation: the arrow specifies the direction of the movement  2. Ring consolidation  before installation cover with oil  3. Ventilating tube  4. Valve of drift / ventilation  removal: pull the valve up and remove from an arm  check: the valve in vertical position – fuel leaks  the valve is inclined on 45 ° – fuel does not flow | 
 5. Arm   6. Ring consolidation  7. Mudguard  8. Lock ring  9. Consolidation, replace  10. Cover of a fuel-filling mouth  11. Perepuskny tube  12. Rubber plug  13. 25 N. of m.  14. Arm  15. Fuel tank  16. A ventilating tube, to the coal filter  17. The return fuel-supply line, from pressure regulator  18. The giving fuel-supply line, to fuel injectors  19. Dustproof consolidation | 
  
 
 
Prevention 
 Flammablly! You do not smoke and do not bring to the field of repair anything from what can ignite fuel. 
 Always replace consolidations at installation of new parts. 
 Connections of hoses are fixed by screw or lever clips, always replace lever clips. 
 Always observe purity.  
Fuel system, arrangement of components for all-wheel drive (4х4) and 20-valvate models  
 
 
  1. 10 N. of m.  2. The giving fuel-supply line   to fuel injectors  3. Arm  4. Locking valve of the fuel pump  5. Plug  blue wire, negative  6. Plug  red wire, positive (+)  | 
 7. Fuel pump  8. The giving fuel-supply line   from the fuel tank  9. Fuel filter   provision of installation   the arrow specifies the direction of a stream of fuel  10. 20 N. of m. | 
  
 
 
Fuel system, arrangement of components for all-wheel drive (4х4) and 20-valvate models  
 
 
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  1. A connector on an inlet collector  2. Electromagnetic valve of the coal filter  3. To vacuum connection on the fuel pressure regulator  4. Locking valve  
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 5. Coal filter  6. Cover  7. To the valve of drift / ventilation  8. Arm  | 
  
 
 
Fuel system, arrangement of components (Coupet's model) 
 
 
  1. Ventilating tube  2. A tube from foam material  3. Ventilating tube  4. Float-operated valve  5. Valve of regulation of pressure  6. Ring consolidation, replace  before installation cover with oil  7. 5 N. of m.  8. Broad tank  9. A tube from foam material  10. Ventilating tube  11. Lock ring  12. The transferring element of the fuel level sensor  13. Laying, replace  14. Fuel pump  15. Connection of the giving fuel-supply line, 20 N. of m.  | 
 16. Fuel tank  17. The directing partition  18. Rubber plug  19. Connection of the giving fuel-supply line, 20 N. of m.  20. Bolt of "banjo", 20 N. of m.  21. Consolidation, replace  22. Fuel filter  provision of installation: the arrow specifies the direction of a stream of fuel  23. A ventilating tube, to the coal filter  24. The return fuel-supply line, from pressure regulator  25. The giving fuel-supply line, to an engine fuel-supply line  26. Bolt of "banjo", 20 N. of m.  27. Consolidation, replace | 
  
 
 
Fuel pump 
 
 
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  1. Consolidation with the aligning ledges  replace   2. Lock-nuts  M6 2.5 Of N of m.  M5 2.0 Of N of m.   3. Electric plugs  M6 weight(s)  M5 positive (+)  4. Screen / filter  turn to the left (the bayonet lock)  5. Fuel pump  
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 replace a rubber ring (for models with a rubber ring in a pump casing flute)  6. Locking valve (20 N. of m)  replace consolidation  7. Screen (top part)  8. Consolidation  replace   9. Banjo connection  establish "banjo" at an angle 180 ° to the drive of forward wheels  10. Noise absorber (15 N. of m)  | 
  
 
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