Audi S4

since 2000 release

Repair and operation of the car



Audi S4
+ Introduction
+ Governing bodies and methods of safe operation
+ Current leaving and service
- Engine
   Specifications
   Removal and installation of the top cover of the engine / lower protection of a motive compartment / stretcher
   Check of a compression in engine cylinders, identification of leaks
   Check of the engine by means of the vacuum gage
   + 4-cylinder petrol engines
   + 6-and 8-cylinder petrol engines
   + 4-cylinder diesel engines
   - 6-cylinder diesel engines
      General information
      Removal and installation of a gear belt of the GRM drive
      Removal and installation of a head of the block of cylinders
      Removal and installation of a belt of the drive of auxiliary units
   + Engine lubrication system
+ 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
+ Manual box of gear shifting
+ Automatic transmission
+ Coupling, power shafts and differential
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment





6-cylinder diesel engines

General information

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