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
   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
      The general data
      Removal and installation of a gear belt
      Removal and installation of a head of cylinders
      Removal and installation of a belt of a drive of auxiliary units
   + 6 and 8-cylinder petrol engines
   + 4-cylinder diesel engines
   + 6-cylinder diesel engines
   + 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

History of US modern History.

Removal and installation of a belt of a drive of auxiliary units

The scheme of a lining of a belt of a drive of auxiliary units. The 4-cylinder petrol engine

1 — Bolts, 25Нм
2 — the Semi-automatic device of a tension of a gear belt
3 — Klinovoj a belt
4 — Bolts, 25Нм
5 — the Holder of the generator, the pump of the hydraulic booster of a wheel and the conditioner compressor
6 — Bolts, 40Нм
7 — the Generator
8 — Screws, 20Нм
9 — the Screw, 40Нм
10 — the Bolt, 20Нм

11 — the Pump of the hydraulic booster of a wheel
12 — Bolts, 40Нм
13 — the conditioner Compressor. At installation watch directing plugs in apertures
14 — Bolts, 20Нм
15 — the Wheel of a cranked shaft. Installation is possible only in one position: the adjusting aperture of a wheel should be over a ledge on a wheel of a gear belt
16 — Bolts with a fillet, 10Нм + 90 . Necessarily replace. Attention: It is authorised to apply only original bolts
17 — the Directing roller. It is fixed on the holder of the generator, the pump of the hydraulic booster and the conditioner compressor
18 — the Special bolt of a directing roller, 25Нм



  1. Mark with a chalk or a felt-tip pen a rotation direction on клиновом a belt.

Change of a direction of rotation of belt which already was in work can lead to its breakage.

  1. Incline the device of a tension for easing клинового a belt in an arrow direction on an accompanying illustration And.
  1. Fix the tension device оправкой T10060 (an arrow on an accompanying illustration).
  1. Remove клиновой a belt.



  1. Check up, whether all units (the generator, the compressor, the pump) are reliably established.
  2. Put on клиновой a belt according to a label of a direction of rotation.
  3. At cars with the conditioner in last turn put on a belt the compressor.
  4. A little incline the tension device in an arrow direction () and take out a lock finger (). After that slowly return the tension device in a starting position. Thus check up, whether the belt on pulleys correctly lies.
  5. Start the engine and allow to it to work on single turns. Visually check up a belt.