Audi A4

Since 1994 of release

Repair and car operation

Audi А4
+ Running gear
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ Exhaust system
+ Cooling system
+ Fuel tank and the fuel pump
+ The air filter and channels всасывания
+ Injection system
+ Coupling
+ Transmission and the main transfer
+ Suspension bracket of wheels and steering
+ Brakes
+ Wheels and tyres
- The electrotechnical equipment
   The minus is connected to weight
   The help for orientation in the electrotechnical equipment of the car
   Connections of wires
   The central switching knot
   Support of additional relays
   Box for electronics
   The relay and management blocks
   The switching relay
   H-contact of the relay of unloading
   The table of the relay and management blocks
   Safety locks
   The table of safety locks
   + Electric schemes
   - The accumulator
      Correctly picked up accumulator
      How much the accumulator reserve suffices?
      Check of level of acid in the accumulator
      Check of a charge of the accumulator
      Accumulator gymnastics
      Start of the engine with the discharged accumulator
   + The generator
   + Starter
+ Ignition system
+ Illumination
+ The alarm equipment
+ Tools and devices
+ Heating and ventilation
+ Body details
+ Salon
Search of malfunctions
Technical characteristics

Check of a charge of the accumulator

If, despite the necessary level of acid, the accumulator does not submit life signs it is necessary to check up a condition of its gymnastics. The information on it can be received on the basis of relative density of acid in the accumulator. For carrying out of this check to you it is necessary special ареометр which you can hire at a gasoline station.


  1. Unscrew an accumulator stopper.
  2. Suck away so much acid to provide free swimming ареометра.
  3. Look, what relative density of acid is available: 1,28 kg/l – the accumulator is charged completely; 1,20 kg/l – it is charged half; 1,12 kg/l – it was discharged.