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
   + Power supply systems of petrol and diesel engines
   + System of injection of fuel of the petrol engine
   + System of injection of fuel of the diesel engine
   - Systems of release and decrease in toxicity of the fulfilled gases. turbocharger
      Removal and installation of system of release. Replacement of the central, additional muffler, a trailer pipe
      Updating of a lining of system of release / a trailer pipe
      Systems of decrease in toxicity of release - the general information
      The Katalitichesky converter
      Removal and installation каталитического the converter and ljambda-probes
      turbocharger - the general information and safety measures
      Интеркулер - the general information
+ Systems of an electric equipment 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 каталитического the converter and ljambda-probes

The engine of 2.0 l ALT

Ljambda-probes are located before and after каталитического the converter. For removal of ljambda-probes to remove каталитический the converter it is not required.

Removal

 PERFORMANCE ORDER

  1. Uncover the engine in an impellent compartment, address to Section Removal and installation of the top cover of the engine / the bottom protection of an impellent compartment/stretcher.
  2. Remove a broad tank of a cooling liquid.
  3. Disunite a socket of the index of temperature of a cooling liquid. Disconnect a broad tank and take him aside. Hoses of a cooling liquid do not disconnect.
  1. Disconnect the AKF-valve (1). Turn out screws (arrows on an accompanying illustration) and take out a hose for всасывания air.
  1. Disconnect a hose for всасывания air (1) from a hose (2). Remove a hose from the bottom party of a branch pipe всасывания air.
  1. Remove the case of the air filter, address to Section Removal and installation of the air filter.
  1. Disunite a socket (2) ljambda-probes 2, located after каталитического the converter.
  1. Disunite a socket (5) ljambda-probes 1, located before catalytic the converter. (1) – the detonation gauge, (3) – the gauge of number of turns of the engine, (4) – the gauge of a detonation 2.

Replacement of ljambda-probes

 PERFORMANCE ORDER

  1. Turn out ljambda-probes.
  2. Grease a carving of ljambda-probes with high-temperature paste G 05212A3. Paste should not get on шлиц cases.
  3. Fix ljambda-probes the moment 55Нм.
  4. If ljambda-probes were replaced only: Join sockets (2) and (5) ljambda-probes.

The further removal каталитического the converter

 PERFORMANCE ORDER

  1. Separate болтовое connection каталитический the converter / a final collector (arrows on an accompanying illustration).

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

  1. Lift and establish the car on supports.
  1. At cars with lay/additional heating: Turn out bolts (arrows on an accompanying illustration) fastenings of an exhaust pipe of lay/additional heating to the bottom cover of an impellent compartment.
  1. Remove the bottom cover of an impellent compartment, address to Section Removal and installation of the top cover of the engine / the bottom protection of an impellent compartment/stretcher.
  2. Disconnect a cover over the right power shaft.
  1. Turn away bolts of fastening and disconnect каталитический the converter from a preliminary pipe (arrow). Take out каталитический the converter upward

Protect каталитический the converter from blows.