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
      General information
      Removal and installation of a gear belt, engines of 1.9 l (AVB, AWX, AVF)
      Natyazhitel of a belt with damping by friction
      Removal and installation of a head of cylinders, diesel engines of 1.9 l (AVB, AWX, AVF)
      Removal and installation of a belt of the drive of auxiliary units
   + 6-cylinder diesel engines
   + 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






Removal and installation of a head of cylinders, diesel engines of 1.9 l (AVB, AWX, AVF)

Head of the block of cylinders. Diesel engines of 1.9 l (AVB, AWX, AVF)

1 — the Bolt, 10nm. It is rolled with means for fixing of a carving
2 — the Finger, 15nm
3 — the Bolt, 100nm. For an otvorachivaniye and an inhaling the tool is used to deduction from AUDI-T10051 provorachivaniye
4 — a camshaft Nave with a gear wheel for the Hall sensor
5 — the Bolt of fastening of a head of cylinders. Surely replace Watch that in a head of cylinders washers were established.
6 — the Cover of a head of cylinders
7 — the Hose of ventilation of a case
8 — the Cover
9 — the Cover
10 — Consolidation. In the presence of damage or leakage will replace
11 — the Screw, 9nm

12 — Sealing laying of a cover of a head of cylinders. In the presence of damage or leakage replace. Is on sale only together with a cover of a head of cylinders. Before installation grease with sealant transitions. Insert cambers into openings on a head of cylinders
13 — the Head of cylinders
14 — the Bolt, 20nm
15 — the Pipeline of supply of oil to a turbocompressor
16 — the Holder of the fuel filter
17 — the Carving plug
18 — the Hollow bolt, 25nm
19 — the Sealing ring. Surely replace
20 — Consolidation of a head of cylinders
21 — the Sensor of the Hall of definition of provision of a camshaft

Hinged elements of a head of the block of cylinders. Diesel engines of 1.9 l (AVB, AWX, AVF)

1 — the Nut, 25nm
2 — the Connecting pipe of system of recirculation of the fulfilled gases
3 — the Bolt, 22nm
4 — Consolidation *
5 — the Screw, 5nm
6 — the Vacuum drive of the gate of the inlet pipeline
7 — the Inlet branch pipe with the valve of recirculation of the fulfilled gases. It can be replaced only in a set

8 — the Sealing ring *
9 — the Screw, 10nm
10 — the Inlet pipeline
11 — Consolidation *
Watch the provision of installation.
12 — the Bolt, 25nm
13 — Consolidation *
*) surely replace.

Procedure demands existence of a certain experience. Here only the most important instructions intended for the skilled mechanic are provided.

The general instructions on installation are provided for the petrol engine 1.6 l of ALZ.

At an otvorachivaniye of bolts of fastening of a head of cylinders observe sequence.

Cover of a head of cylinders

 PERFORMANCE ORDER

  1. Before installation of a cover of a head of cylinders apply on both edges of sealing surfaces of a cover of bearings of a distributive shaft / head of cylinders in front of (shooters on an accompanying illustration) and behind on one drop of sealant, for example, of AMV 174 004 01 (mm Ø 5).
  1. Sequence of an otvorachivaniye of bolts of fastening of a cover of a head of cylinders - the return specified on an accompanying illustration.
  1. At first make a tightening by hand, in sequence with 1 on 13 and then in the same sequence - the moment 9nm. The arrow showed accession of a hose of ventilation of a case.

Installation of a head of cylinders

 PERFORMANCE ORDER

  1. Number of sealing laying of a cover of a head of cylinders has to be from above.
  1. At installation of a head of cylinders both cams of the first cylinder have to show on the top of (shooters on an accompanying illustration).
  1. Watch the aligning plugs in the block of cylinders.
  1. Tighten bolts of fastening of a head of cylinders in sequence with 1 on 10 for 4 receptions, the efforts given in Specifications.











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