Audi A4, S4

Since 2000 of release

Repair and car operation


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


Check of system of gymnastics

If you have found out malfunction in gymnastics system — malfunction of the generator cannot be the unique reason. Execute following checks.

  • Examine приводной a belt and be convinced that it is tense and it is not damaged. At detection of damages replace it (address to the Head Current leaving and service).
  • Be convinced of that bolts of fastening of the generator are reliably tightened.
  • Check up conducting of the generator and all sockets. All contacts should be reliable and not oxidised.
  • Check up the corresponding safety locks located in an impellent compartment (address to the Head the Onboard electric equipment). At detection burnt down eliminate the reason перегорания a safety lock and replace it (at перегорании a corresponding safety lock you cannot start the engine or include any of devices).
  • Start the engine and be convinced that from the generator extraneous sounds (whistle or squeal are not distributed can signal about malfunction of bearings or deterioration of brushes).
  • Be convinced of that the storage battery is completely charged. If one of банок is damaged, the storage battery can consume a superfluous current.
  • Disconnect tips of wires from the storage battery (at first negative). Examine plugs of the storage battery and tips of wires. At detection of traces of corrosion carefully clear them (address to materials of the Head Current leaving and service). Attach tips of wires to plugs and reliably tighten.

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