Audi A4, S4

since 2000 release

Repair and operation of the car



Audi A4, 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 on two camshafts. One gear belt sets a camshaft of inlet valves which in turn through a tooth gearing rotates a camshaft of final valves in motion. TNVD of distributive type is set in motion from a separate gear belt.











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