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




Removal and installation of a head of the block of cylinders

Head of the block of cylinders (it is shown left). The diesel engine of 2.5 l

1 — the Left head of cylinders. Attention: Heads of cylinders of the diesel engine are not supposed to be processed
2 — the Sealing lining of a cover of a head of cylinders. In the presence of damages or негерметичности replace. Before transition installation are greased with hermetic
3 — the Bolt of fastening of a head цилиндров*
4 — the Cover a head of cylinders. In the presence of damages of linings at atomizers replace a cover a head of cylinders
5 — Otbojnoe a ring. In the presence of damages replace
6 — Consolidation. In the presence of damages replace
7 — the Cover
8 — Fuel pipelines, 30Нм. Replace in the complete set. Do not deform
9 — the Returnable pipeline
10 — Sealing кольцо*
11 — the Hollow bolt, 5Нм

12 — the Inlet pipeline
13 — the Bolt, 10Нм. Are tightened cross-wise for some receptions
14 — Sealing прокладка*
15 — the Adjusting plug, 2 pieces Watch that the plug has not fallen in inlet channels
16 — Nuts, 10Нм. Are tightened cross-wise for some receptions
17 — Heat-shielding sheet
18 — the Bolt, 10Нм
19 — the Vacuum pump of the amplifier of a brake
20 — the Sealing ring of the vacuum pump
21 — the Sealing lining of a head of cylinders. Has a various thickness. Detail number should show towards a head of cylinders
*) Necessarily replace.

The sequence of a tightening of bolts of fastening of a head of cylinders is resulted on an illustration more low.

Order of a tightening of bolts of fastening of a head of cylinders
Отворачивание it is made in return sequence with 8 on 1.
Efforts are resulted in Specifications.