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
      The general information
      Operation in the winter
      Checks of system of injection of fuel
   + Systems of release and decrease in toxicity of the fulfilled gases. turbocharger
+ 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



Operation in the winter

At decrease in temperature of external air fluidity of diesel fuel owing to paraffin loss decreases. Diesel fuel on the fluidity becomes similar to honey and can hammer in the filter. For this reason the additives raising fluidity of fuel and providing possibility of start of the engine at temperature of external air to in the winter can be entered into diesel fuel – 22С.

To exclude забивание the fuel filter at low external temperature, fuel goes to the heat exchanger.