Audi 80/90/Coupe

since 1986-1991 release

Repair and operation of the car



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
      5.2.1.2. Specifications (4-cylinder models)
      5.2.1.3. Components of system of injection for 5-cylinder models
      5.2.1.4. Specifications (5-cylinder models)
      5.2.1.5. Starting position of a plate of the sensor of an air stream
      5.2.1.6. Free wheeling of a plate of the sensor of an air stream
      5.2.1.7. Lever of a plate of the sensor of an air stream
      5.2.1.8. The operating plunger
      5.2.1.9. Throttle valve
      5.2.1.10. Rope of management of a butterfly valve
   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






5.2.1.8. The operating plunger

Removal / installation

PERFORMANCE ORDER
1) write down value "a" before removal of the lock screw
2) remove the lock screw and disconnect the operating plunger
3) clear the operating plunger gasoline before installation
4) check a sealing ring of the lock screw regarding damages, if necessary replace (smaller diameter of a sealing ring is directed to the operating plunger)
5) wrap the lock screw back to value "a"
6) check and adjust a starting position and a gap of a plate of the sensor

Prevention

Mechanical cleaning of the operating plunger is inadmissible. If after cleaning with solvent the operating plunger is scratched or jams, it is necessary to replace all distributor of fuel.