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
   2.1.2. Removal and installation of the engine (5-cylinder models)
   2.1.3. Dismantling and assembly of engines
   2.1.4. Head of the block of cylinders, gas distribution mechanism
   - 2.2. Engine electric equipment
      2.2.2. Tension of a maple belt
      2.2.3. Maple belt of the generator of alternating current
      2.2.4. Regulator of tension of the generator of alternating current
      2.2.5. Vacuum amplifier
      2.2.6. Vacuum final valves
      2.2.7. The switches installed on a steering column
      2.2.8. Check of vacuum system
   + 2.3. Carburetors
3. Lubrication system
+ 4. Cooling system
+ 5. Fuel system
+ 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






2.2.8. Check of vacuum system

PERFORMANCE ORDER
1) remove a vacuum hose from the pump of control of level of depression
2) move connecting draft towards the vacuum amplifier against the stop
3) close the end of a vacuum hose a finger
4) connecting draft should not return to a starting position; if it comes back to a starting position, it means that the vacuum system is not tight
5) check the following elements for tightness:
  – vacuum final valves;
  – check that vacuum final valves were correctly installed;
  – vacuum amplifier;
  – vacuum hoses
6) eliminate the found leaks