Audi 100

1982-1990 of release

Repair and operation of the car

Audi 100
+ 1.1. Governing bodies and devices
+ 2. Technical characteristics
+ 3. Engines
+ 4. Cooling system
+ 5. Exhaust system
+ 6. Power supply system
+ 7. Transmission
+ 8. Running gear
+ 9. Steering
+ 10. Brake system
+ 11. Body
- 12. Electric equipment
   + 12.1. System of electric equipment
   - 12.2. System of ignition
      - 12.2.1. Transistor system of ignition
         12.2.1.1. Removal and installation of the distributor of ignition
         12.2.1.2. Dismantling and assembly of the distributor of ignition
         12.2.1.3. Check and adjustment of a corner of an advancing of ignition
         12.2.1.4. Check of the coil of ignition
         12.2.1.5. Check of the switchboard
         12.2.1.6. Check of the sensor of the Hall
         12.2.1.7. Check of spark plugs
      + 12.2.2. Electronic system of ignition
      12.2.3. Contactless system of ignition of FEI
   + 12.3. Electric circuits

12.2.1.7. Check of spark plugs

GENERAL INFORMATION

Normal operation of the engine in big degree depends on a condition of spark plugs.

PERFORMANCE ORDER

1. Having turned out candles, examine them.

2. If the insulator of the central electrode of a candle is covered with a deposit of light brown or gray-steel color, the carburetor means is adjusted correctly and the candle works normally.

3. Light gray or white color of pollution of an insulator says that mix very poor, a black deposit on a candle – the mix reenriched.

4. If electrodes and an insulator of a candle are greasy, it means that or the candle gives a spark with interruptions, or piston rings are worn-out.

5. Candles before installation need to be cleared a metal brush, to wash out gasoline and to dry.

6. To adjust a gap between candle electrodes, turning in a lateral electrode. It is impossible to bend the central electrode. It is necessary to tighten candles the moment of 20 N · m (2,0 kgfs · м).