Audi A4, S4

since 2000 of release

Repair and car operation


Audi A4, S4
+ Introduction
+ Governing bodies and receptions of safe operation
+ Current leaving and service
- Engine
   Specifications
   Removal and installation of the top cover of the engine / bottom protection of an impellent compartment/stretcher
   Compression check in engine cylinders, identification of leaks
   Engine check by means of the vacuum gage
   + 4-cylinder petrol engines
   - 6-and 8-cylinder petrol engines
      Main data
      Replacement of a gear belt of a drive of GRM
      Removal and installation of a head of the block of cylinders
      Removal and installation of a belt of a drive of auxiliary units
   + 4-cylinder diesel engines
   + 6-cylinder diesel engines
   + System of greasing of the engine
+ Systems of cooling, 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

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Removal and installation of a head of the block of cylinders

Head of cylinders. Petrol engine of 3.0 l of ASN


1 — Laying of a head of cylinders. Number should be turned towards a head of cylinders
2 — the Head of cylinders. Minimum height: 139.25 mm
3 — the Eye
4 — the Bolt, 23Нм
5 — the Bolt of fastening of a head of cylinders
6 — the Aligning finger of the inlet pipeline
7 — the Special screw, 10Нм
8 — Consolidation. In the presence of damages or a leakage replace
9 — the Cover
10 — the Sealing ring. Surely replace

11 — the Hose of ventilation of a case
12 — the ignition Coil
13 — the Cover of a head of cylinders
14 — Sealing laying of a cover of a head of cylinders. In the presence of damages or a leakage replace
15 — the Screw, 10Нм
16 — the Pipe of cooling liquid back
17 — the Combined valve of supply of secondary air
18 — the Screw, 10Нм
19 — Consolidation. Surely replace
20 — the Sealing ring

Head of cylinders (it is shown right). Petrol engine of 4.2 l of VVK

1 — Sealing laying of a head of cylinders. Provision of installation: Number of the spare part should show towards a head of cylinders. After replacement of laying it is necessary to replace cooling liquid
2 — the Eye
3 — the Bolt, 22Нм
4 — Consolidation. In the presence of damages or a leakage replace
5 — Sealing laying of a cover of a head of cylinders. In the presence of damages or a leakage replace
6 — the Cover of a head of cylinders
7 — the ignition Coil. AUDIТ40039 stripper is necessary for removal

8 — the Special screw, 10Нм. In the presence of damages or a leakage replace. The inhaling is carried out in sequence from within outside
9 — Consolidations for a cover of a head of cylinders. In the presence of damages and a leakage replace
10 — Consolidation for a cover of a head of cylinders. In the presence of damages and a leakage replace
11 — Semicircular consolidation. In the presence of damages and a leakage replace
12 — the Bolt of fastening of a head of cylinders
13 — the Head of cylinders. After replacement it is necessary to replace cooling liquid

Removal

 PERFORMANCE ORDER

    Sequence of an otvorachivaniye of bolts - return specified on an accompanying illustration: with 8 on 1.

Engine of 3.0 l

Engine of 4.2 l

Installation

 PERFORMANCE ORDER

    Before installation of a head of cylinders turn cranked and distributive shaft in position VMT of the piston of the third cylinder. Tighten bolts of fastening of a head of cylinders in the specified sequence the efforts given in Specifications.

The head of cylinders acts in film and established on the removed engine.