Audi 80/90/Coupe

Since 1986-1991 of release

Repair and car operation



Audi 80/90/Coupe
+ 1.2. Car identification
+ 2. Engines, carburettors
3. Greasing system
+ 4. Cooling system
- 5. Fuel system
   + 5.2. Systems of injection of fuel
   5.2.2. Fuel injectors (20-klapannye models)
   + 5.2.3. An electronic control system of engine MPI
+ 6. An exhaust system
+ 7. Ignition system
+ 8. Transmission
+ 9. Suspension brackets, wheels
+ 10. Brake system
+ 11. A steering
+ 12. A body, salon
+ 13. A central air
+ 14. An electric equipment





5. Fuel system

5.1. Fuel system

5.1.1. Components of fuel system
THE GENERAL DATA

The prevention

Inflammably! Do not smoke and do not bring to area of repair anything from this that can ignite fuel.

Always replace all consolidations and clips.

Always observe cleanliness.


Компоненеты fuel system (4 and 5-cylinder models)

1. A transferring element of the gauge of level of fuel
Installation position
The arrow is directed forward
2. A fuel tank
Paste sound-proof overlays
To a new tank in the same position, as well as
On an old tank
3. 25 Н.м.
4. A fixing arm
5. A sealing ring
6. A lock ring
7. Submitting топливопровод
To the fuel filter
8. Return топливопровод from
The fuel distributor
9. A connector of the coal filter
10. A perepusknaja tube
11. The rubber plug
12. Ring consolidation
13. A lock ring
14. A lining of a jellied mouth
Replace, if has worn out or it is damaged
15. A cover fuel filler mouths
16. An arm
17. A mudguard
18. The valve самотека
Check:
The valve in vertical position = fuel flows
The valve is inclined on 45 = fuel does not flow
19. Ring consolidation
Before installation cover with a graphite powder

Компоненеты fuel system (4 and 5-cylinder models)


1. The store
Capacity of 20 sm3
Supports residual pressure 3.4 bar
2. 10 Н.м.
3. 10 Н.м.
4. The fuel filter
Installation position
The arrow specifies a stream direction
Fuel
5. 20 Н.м.
6. An arm
7. 20 Н.м.
8. Submitting топливодопровод to
To the fuel distributor
9. 20 Н.м.
10. The negative plug
Blue wire
11. The zapornyj valve of the fuel pump 20 Н.м.
12. The positive plug
Red wire
13. The fuel pump
14. An arm
15. 10 Н.м.
16. 20 Н.м.
17. 10 Н.м.
18. An arm

The coal filter (4-cylinder models)

1. A tube
To the valve самотека
2. To an inlet collector
3. The note: connections are shown separated
4. An electrosocket
To electromagnetic запорному to the valve
5. Electromagnetic запорный the valve (black)
Ignition is included: the valve is opened
Ignition is switched off: the valve is closed
6. An assembly arm
7. The coal filter
8. The frequency valve of the coal filter (grey)
Ignition is included: the valve is closed
Ignition is switched off: the valve is opened
9. A cover
10. An electrosocket
To the frequency valve of the coal filter

The coal filter (5-cylinder models)

1. To the valve самотека
2. Electromagnetic запорный the valve of the coal filter
3. A cover of soaked up air
4. The throttle case

5. An electrosocket
6. An arm
7. The coal filter
8. A cover


Fuel system, arrangement of components for all-wheel drive (4х4) and 20-klapannyh models
1. A transferring element of the gauge of level of fuel
Removal: disconnect a wire of weight from the accumulator
Disconnect a cover and a plait of wires from a transferring element
Release the bayonet lock of a transferring element, turning its tool VAG 2012А
Installation position: the arrow specifies a movement direction
2. Ring consolidation
Before installation cover with oil
3. A ventilating tube
4. The valve samoteka/ventilation
Removal: pull the valve upwards and remove from an arm
Check: the valve in vertical position – fuel flows
The valve is inclined on 45 – fuel does not flow
5. An arm
6. Ring consolidation
7. A mudguard
8. A lock ring
9. Consolidation, replace
10. A cover fuel filler mouths
11. A perepusknaja tube
12. The rubber plug
13. 25 Н.м.
14. An arm
15. A fuel tank
16. A ventilating tube, to the coal filter
17. Return топливопровод, from a pressure regulator
18. Submitting топливопровод, to fuel injectors
19. Dustproof consolidation

The prevention

Inflammably! Do not smoke and do not bring to area of repair anything from this that 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 cleanliness.


Fuel system, arrangement of components for all-wheel drive (4х4) and 20-klapannyh models

1. 10 Н.м.
2. Submitting топливопровод
To fuel injectors
3. An arm
4. The zapornyj valve of the fuel pump
5. The plug
Blue wire, negative (-)
6. The plug
Red wire, positive (+)
7. The fuel pump
8. Submitting топливопровод
From a fuel tank
9. The fuel filter
Installation position
The arrow specifies a direction of a stream of fuel
10. 20 Н.м.

Fuel system, arrangement of components for all-wheel drive (4х4) and 20-klapannyh models

1. A connector on an inlet collector
2. The electromagnetic valve of the coal filter
3. To vacuum connection on a regulator of pressure of fuel
4. The zapornyj valve
5. The coal filter
6. A cover
7. To the valve samoteka/ventilation
8. An arm

Fuel system, arrangement of components (Compartment model)

1. A ventilating tube
2. A tube from пеноматериала
3. A ventilating tube
4. The poplavkovyj valve
5. The valve of regulation of pressure
6. Ring consolidation, replace
Before installation cover with oil
7. 5 Н.м.
8. A broad tank
9. A tube from пеноматериала
10. A ventilating tube
11. A lock ring
12. A transferring element of the gauge of level of fuel
13. A lining, replace
14. The fuel pump
15. Connection submitting топливопровода, 20 Н.м.
16. A fuel tank
17. A directing partition
18. The rubber plug
19. Connection submitting топливопровода, 20 Н.м.
20. A bolt "банджо", 20 Н.м.
21. Consolidation, replace
22. The fuel filter
Installation position: the arrow specifies a direction of a stream of fuel
23. A ventilating tube, to the coal filter
24. Return топливопровод, from a pressure regulator
25. Submitting топливопровод, to топливопроводу the engine
26. A bolt "банджо", 20 Н.м.
27. Consolidation, replace

The fuel pump

1. Consolidation with aligning ledges
Replace
2. Counternuts
М6 2.5 Н.м.
М5 2.0 Н.м.
3. Electric plugs
М6 Weight (-)
М5 Positive (+)
4. The Screen / the filter
Turn to the left (the bayonet lock)
5. The fuel pump
Replace a rubber ring (for models with a rubber ring in a flute of a casing of the pump)
6. The zapornyj valve (20 Н.м.)
Replace consolidation
7. The screen (the top part)
8. Consolidation
Replace
9. Connection "банджо"
Establish "банджо" at an angle 180 to a drive of forward wheels
10. A noise absorber (15 Н.м.)