Audi A4

since 1994 of release

Repair and car operation

A4 Audi
+ Running gear
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ exhaust System
+ cooling System
+ Fuel tank and fuel pump
+ Air filter and absorption channels
+ injection System
+ Coupling
+ Transmission and main transfer
+ Suspension bracket of wheels and steering
+ Brakes
+ Wheels and tires
- Electrotechnical equipment
   The minus is connected to weight
   The help for orientation in the electrotechnical equipment of the car
   Connections of wires
   Central switching knot
   Support of additional relays
   Box for electronics
   Relay and control units
   Switching relay
   H-contact of the relay of unloading
   Table of the relay and control units
   Safety locks
   Table of safety locks
   + Electric circuits
   - Accumulator
      Correctly picked up accumulator
      As far as the accumulator reserve suffices?
      Check of level of acid in the accumulator
      Check of a charge of the accumulator
      Battery charging
      Engine start with the discharged accumulator
   + Generator
   + Starter
+ ignition System
+ Lighting
+ 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 a condition of its charging. Information on it can be received on the basis of specific weight of acid in the accumulator. For carrying out this check the special areometer which you can hire at filling station is necessary to you.


    Unscrew an accumulator stopper. Suck away so much acid to provide free swimming of the areometer. Look, what specific weight 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.