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 starter installation

The electric motor named a starter is necessary for internal combustion engine start. That the car engine has earned, than 300 rpm are necessary to untwist it till the speed not less. It probably to reach, if the starter reliably works also the storage battery is charged.

As for engine start the big current consumption is required, at maintenance service carrying out it is necessary to pay attention to reliable connection of cables. The contacts having a rust, it is necessary to smooth out and grease консистентной with greasing.

The 4-cylinder engine

Removal

 PERFORMANCE ORDER

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

Observe instructions Replacement of the storage battery Has undressed.

  1. Remove the bottom cover of the engine forward, address to Section Removal and installation of the top cover of the engine / the bottom protection of an impellent compartment/stretcher.
  2. The diesel engine: Remove the bottom cover of the engine back, address to Section Removal and installation of the top cover of the engine / the bottom protection of an impellent compartment/stretcher.
  1. Disconnect a plug wire In + (2) from a starter.
  1. Disunite a 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. The 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 45Нм (screw M10) or 65Нм (screw M12) on a check point.
  2. Fix a plug wire In + the moment 16Нм on a starter.
  3. The further installation is carried out in sequence, return to removal.

The 6-cylinder engine

Removal

 PERFORMANCE ORDER

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

Observe instructions Replacement of the storage battery Has undressed.

  1. Remove the bottom cover of the engine forward, address to Section Removal and installation of the top cover of the engine / the bottom protection of an impellent compartment/stretcher.
  2. The diesel engine: Remove the bottom cover of the engine back, address to Section Removal and installation of the top cover of the engine / the bottom protection of an impellent compartment/stretcher.
  3. Remove the generator, address to Section Removal and generator installation.

Instructions on security measures

Operation of lifting and car installation on supports is connected with danger! Therefore before operation carrying out familiarise with Razdelom Poddomkrachivanie and towage.

 PERFORMANCE ORDER

  1. Loosen the bolts of fastening of a wheel. Lift and establish on supports the car 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 plug In + (2) from a starter).
  1. Disunite a socket of the plug 50 (1).
  2. Remove the heat-shielding screen (3) traction relays.
  3. Turn out bolts (arrows) and remove a starter.

Installation

 PERFORMANCE ORDER

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