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
   - 6-cylinder diesel engines
      General information
      Removal and installation of a gear belt of the GRM drive
      Removal and installation of a head of the block of cylinders
      Removal and installation of a belt of the drive of auxiliary units
   + 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 gear belt of the GRM drive

Gear belt of the drive of camshafts. Diesel engine of 2.5 l

1 — the Wheel of a gear belt of a cranked shaft. Installation is possible only in one situation. Hit of oil on an adjacent surface a wheel / a cranked shaft is not allowed
2 — the Device of a tension of a gear belt
3 — the Bolt, 10nm
4 — the Screw, 42nm
5 — the Tension lever. Enclose a washer 7
6 — the Screw, 42nm
7 — the Washer of the tension lever
8 — the Tension roller. Enclose a washer 20
9 — the Bolt with a fillet, 75nm
10 — a camshaft Wheel. For a camshaft of inlet valves
11 — the Gear belt
12 — the Bolt, 10nm
13 — the Pump of cooling liquid
14 — the Bolt, 10nm

15 — the Back right cover of a gear belt
16 — the Back central cover of a gear belt
17 — the Back left cover of a gear belt
18 — Sealing laying. Surely replace
19 — the Wheel of a camshaft of inlet valves
20 — the Washer of a tension roller
21 — the Bolt with a fillet, 75nm
22 — the Directing roller
23 — the Lower cover of a gear belt
24 — the Bolt, 10nm
25 — the Screw, 45nm
26 — the Remote plug
27 — the Bolt, 200nm + 180 °

Gear belt of the TNVD drive

1 — the Holder of the fan with the viscous coupling
2 — the Nut, 36nm
3 — the Screw, 22nm
4 — the Damper of tortional fluctuations of a wheel of TNVD
5 — the TNVD Gear belt

6 — TNVD
7 — TNVD Wheel with a persistent fillet on one or on two parties. At installation establish in the center of grooves. After installation check the beginning of injection and adjust (work HUNDRED)
8 — the Washer
9 — the Screw, 22nm
10 — the Tension roller. For a gear belt of the TNVD drive