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
   Specifications
   Removal and installation of the top cover of the engine / the bottom protection of an impellent compartment/stretcher
   Compression check in engine cylinders, revealing of leaks
   Check of the engine by means of the vacuum gauge
   + 4-cylinder petrol engines
   + 6 and 8-cylinder petrol engines
   + 4-cylinder diesel engines
   - 6-cylinder diesel engines
      The general data
      Removal and installation of a gear belt of drive ГРМ
      Removal and installation of a head of the block of cylinders
      Removal and installation of a belt of a drive of auxiliary units
   + System of greasing of 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
+ Manual box of a gear change
+ Automatic transmission
+ Coupling, power shafts and differential
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment



6-cylinder diesel engines

The general data

Engines – V-shaped DOHC with two inlet and two final valves on the cylinder. Each number of cylinders has on two camshafts. One gear belt actuates a camshaft of inlet valves which in turn through a tooth gearing rotates a camshaft of final valves. ТНВД distributive type it is set in motion from a separate gear belt.