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

Removal and installation of a regulator of pressure/replacement of brushes



  1. Remove the generator, address to corresponding section.

Depending on model regulator removal probably also on the established generator.

  1. Turn away a nut on connecting plugs.
  2. Turn out screws and remove a protective cover from the generator.

Depending on model generators of various executions can be established.

  1. Turn out screws and take out a regulator aside.
  2. Replace brushes, for what отпаяйте a rope.
  3. Check up deterioration of rings, if necessary pierce them and polish (work HUNDRED).



  1. Insert new brushes () and springs () in щёткодержатель () and solder contacts.
  1. To exclude solder hit in a rope at a ration, clamp a rope of a brush flat-nose pliers.

At hit of solder ropes become rigid and brushes unsuitable for work.

  1. Establish into place a regulator of pressure and fix it.
  2. After installation of new brushes check up them on ease of a course.
  3. Fix on the generator a protective cover.
  4. Screw nuts on connecting plugs.
  5. Establish into place the generator, address to Section Removal and generator installation.