Audi A4, S4

since 2000 of release

Repair and car operation

Audi A4, S4
+ Introduction
+ Governing bodies and receptions of safe operation
+ Current leaving and service
+ Engine
+ Systems of cooling, heating and air conditioner
+ Power supply systems, release and decrease in toxicity of the fulfilled gases
- Systems of electric equipment of the engine
   + ignition and engine management System
   + System of preheat of the diesel engine
   + Diagnostics of systems of electronic control and diagnostic equipment
   - Charging and start systems
      General information
      The storage battery - the main data and acquisition of the new battery
      Check and charging of the storage battery
      Replacement of the storage battery
      Storage of the storage battery
      Charging system - general information and security measures
      Check of system of a charging
      Removal and generator installation
      Removal and regulator installation tension/replacement of brushes
      System of start of the engine - the general information and precautionary measures
      Removal and starter installation
      Check of system of start of the engine
+ Manual box of gear shifting
+ Automatic transmission
+ Coupling, power shafts and differential
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment


Replacement of the storage battery

At shutdown of the storage battery the radio equipment which is not production of AUDI, demands code input. Therefore it is necessary to find out a code and to write down it. Otherwise the radio receiver can be included only by his manufacturer.

Not to lose the data written down on electronic carriers, it is possible to apply the temporary battery of small capacity. It joins the lighter before shutdown of the storage battery according to the instruction of the manufacturer.



    Switch off electric consumers. Switch off ignition. Thus electronic devices will be protected from possible damages. Models with Telematik system: Activate service mode of the control unit of Telematik system since otherwise at shutdown of the storage battery the emergency Telematik battery is discharged. For this purpose enter on a management tube sequence of keys #4610# and confirm it with Navi key pressing. Uncover over a water modular compartment, address to the Section Removal and installation of a cover of a water modular compartment.

If the storage battery only is disconnected, instead of acts in film, it is necessary to displace a cover over the battery to the right and to remove it.

    Disconnect cables from the battery, at first a cable of weight (1), then a positive cable (2).
    Unscrew the screw (4) plates of fastening (3) at the battery basis. If necessary, disconnect from the battery a hose central газоотвода. Extend the battery under a plate of fastening and take out it from an impellent compartment.



    Before installation of the storage battery smooth out to shine poles. The brush is suitable for this purpose from a brass wire. Establish the battery into place, shift the battery basis under a plate of fastening and fix the moment 12Нм. Before connection of the battery check, that ignition and all electric consumers were switched off. Attach at first a positive cable to a positive pole (+), then a negative cable to a negative pole (-). Nuts of fastening tighten the moment 6Нм.

Owing to erroneous connection of the battery there can be serious damages of the generator and electric devices.

Do not grease poles of the storage battery.

    Establish a cover over a water modular compartment, address to the Section Removal and installation of a cover of a water modular compartment. If it is necessary, enter a radio receiver code. If it is necessary, again enter radio receiver programs. Establish hours. Models with Telematik system: Deaktiviruyte Telematik control unit service mode. For this purpose press on a management tube a Navi-key.