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
      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




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

Removal

 PERFORMANCE ORDER

    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.

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

Installation

 PERFORMANCE ORDER

    Check up, whether all units (the generator, the compressor, the pump) are reliably established. Put on wedge a belt according to a label of a direction of rotation. At cars with the conditioner in last turn put on a belt the compressor. 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. Start the engine and allow to it to work on single turns. Visually check up a belt.