Audi 80/90/Coupe

since 1986-1991 release

Repair and operation of the car



Audi 80/90/Coupe
- 1.2. Identification of the car
   1. Maintenance instruction
   1.3. Arrangement of identification plates
   1.4. Dashboard
   - 1.5. Service of the car
      1.5.2. Seasonal change like fuel
      1.5.3. Petrol additives
      1.5.4. The latest news in the field of fuel
      1.5.5. Cowl
      1.5.6. Engine compartment
      + 1.5.7. Engine oil
      1.5.8. Oil filter of the engine
      + 1.5.9. Automatic transmission liquid
      1.5.10. MKPP oil
      1.5.11. Air filter
      1.5.12. Spark plugs
      + 1.5.13. Hydraulic booster of steering and amplifier of the brake system
      + 1.5.14. Brake fluid
      - 1.5.15. Cooling system
         1.5.15.1. Check of level of cooling liquid
         1.5.15.2. Overheat
         1.5.15.3. Addition of cooling liquid
         1.5.15.4. Fan of cooling of a radiator
         1.5.15.5. Operation of the car during the winter period
      + 1.5.16. Tanks for washers of a windshield and headlights of forward light
      1.5.17. Sprayers
      1.5.18. Brushes of screen wipers
      + 1.5.19. Tires / wheels
   + 1.6. Independent service of the car
   + 1.7. Specifications
   1.8. Capacities
   1.9. Sizes
   1.10. Loadings
   1.11. Schedule of preventive servicing / lubricant of the car
+ 2. Engines, 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


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1.5.15.2. Overheat

GENERAL INFORMATION

The overheat can occur if:

 – there is an obstacle for a stream of the air blowing in a radiator to what leaves, dust, insects, or the additional headlights established before a front grille can be the cause;
 – the boiling point of cooling liquid in view of change of content of antifreeze was lowered;
 – the fan of cooling of a radiator does not work.

If you cannot define and remove the overheat cause, immediately address in a workshop, otherwise there can be a serious breakage of the engine.