Audi A4, S4

since 2000 release

Repair and operation of the car


Audi A4, S4
+ Introduction
+ Governing bodies and methods of safe operation
+ Current leaving and service
+ Engine
+ Cooling systems, heating and air conditioner
+ Power supply systems, release and decrease in toxicity of the fulfilled gases
- Systems of electric equipment of the engine
   + System of ignition and engine management
   + System of preheat of the diesel engine
   + Diagnostics of systems of electronic control and diagnostic equipment
   - Systems of charging and start
      General information
      The battery - the main data and acquisition of the new battery
      Check and charging of the battery
      Replacement of the battery
      Storage of the battery
      System of charging - general information and security measures
      Check of system of charging
      Removal and installation of the generator
      Removal and installation of the regulator tension/replacement of brushes
      System of start of the engine - the general information and precautionary measures
      Removal and installation of a starter
      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





Removal and installation of a starter

The electric motor called by a starter is necessary for start of an internal combustion engine. That the engine of the car started working, it needs to be untwisted to speed not less than 300 rpm. It is possible to reach it if the starter reliably works and the battery is charged.

As start of the engine requires big electricity consumption, when carrying out maintenance it is necessary to pay attention to reliable connection of cables. The contacts having a rust need to be smoothed out and greased with jellied greasing.

4-cylinder engine

Removal

 PERFORMANCE ORDER

  1. Disconnect a negative cable (-) of the battery.

Observe indications of the Section Replacement of the Battery.

  1. Remove the lower cover of the engine forward, address to the Section Removal and installation of the top cover of the engine / the lower protection of a motive compartment / stretcher.
  2. Diesel engine: Remove the lower cover of the engine back, address to the Section Removal and installation of the top cover of the engine / the lower protection of a motive compartment / stretcher.
  1. Disconnect a wire of the B+ (2) plug from a starter.
  1. Disunite the socket of the plug 50 (1).
  2. If necessary, remove an insulator on a positive conclusion of a starter.
  3. Disconnect a collar (4) cables.
  4. Petrol engine: Disconnect the holder (3).
  1. Turn out bolts (1) and (2) and take out a starter forward.

Installation

 PERFORMANCE ORDER

  1. Fix a starter the moment 45nm (M10 screw) or 65nm (M12 screw) on a check point.
  2. Fix the B+ plug wire the moment 16nm on a starter.
  3. Further installation is carried out in sequence, the return to removal.

6-cylinder engine

Removal

 PERFORMANCE ORDER

  1. Disconnect a negative cable (-) of the battery.

Observe indications of the Section Replacement of the Battery.

  1. Remove the lower cover of the engine forward, address to the Section Removal and installation of the top cover of the engine / the lower protection of a motive compartment / stretcher.
  2. Diesel engine: Remove the lower cover of the engine back, address to the Section Removal and installation of the top cover of the engine / the lower protection of a motive compartment / stretcher.
  3. Remove the generator, address to the Section Removal and installation of the generator.

The instruction on security measures

Lifting operation and installations of the car on supports is connected with danger! Therefore before carrying out operation study Poddomkrachivaniye's Section and towage.

 PERFORMANCE ORDER

  1. Weaken bolts of fastening of a wheel. Lift and install the car on supports and remove the right forward wheel.
  1. Turn out bolts (arrows on an accompanying illustration) and disconnect the heat-shielding screen of a power shaft.
  1. Disconnect a wire for the B+ (2) plug from a starter).
  1. Disunite the socket of the plug 50 (1).
  2. Remove the heat-shielding screen (3) of the traction relay.
  3. Turn out bolts (shooters) and remove a starter.

Installation

 PERFORMANCE ORDER

  1. Fix a starter the moment 45nm on a check point.
  2. Fix the B+ plug wire the moment 16nm on a starter.
  3. Fix bolts the heat-shielding screen of a power shaft the moment 23nm.
  4. Further installation is carried out in sequence, the return to removal.