Audi A4, S4

Since 2000 of release

Repair and car operation



Audi A4, S4
+ Introduction
+ Controls and receptions of safe operation
+ Current leaving and service
+ 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
   + Coupling
   - Power shafts of wheels
      The general data
      Removal and power shaft installation
      Dismantling of a power shaft and replacement of a protective cover
   + Models with a full drive of wheels
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment



Power shafts of wheels

The general data


Power shaft with hinge "Tripode" AAR 2000

1 — the Bolt, necessarily replace
2 — the Collar, necessarily replace
3 — the Protective cover of the external hinge. Check up on presence of cracks and places of retyrannies. Before fastening of collars quickly raise a cover to level pressure
4 — the Collar, necessarily replace
5 — the Screw with an internal polyhedron
6 — the Hinge
7 — the Star «Tripode» with rollers. The facet (arrow) specifies on шлицы a shaft
8 — the Lock ring, necessarily replace
9 — the Round sealing ring
10 — the Cover

11 — the Collar
12 — the Protective cover of hinge "Tripode". Before fastening of collars quickly raise a cover to level pressure. The hinge thus should be in the central position
13 — the Shaft
14 — the Lock ring. Necessarily replace the Lock ring insert into a shaft groove.
15 — the External hinge. Replace only in the complete set. On a shaft it is established by means of a plastic hammer so that the lock ring was fixed.
Attention: At replacement of a cover the hinge, if necessary, to fill with greasing. Pay attention to distinction in grades of greasing depending on diameter of the hinge.
*) шестигранный the case

Power shaft with the hinge of equal angular speeds

1 — the Bolt, necessarily replace
2 — the External hinge of equal angular speeds, replace only in the complete set
3 — the Lock ring. Necessarily replace. Before hinge installation it is inserted into a shaft groove. If the hinge is established, the ring is not visible
4 — the Collar
5 — the Cover of the external hinge. Check up on presence of cracks and places of retyrannies. In the presence of hinge damages check up it outside. Before fastening of collars quickly raise a cover to level pressure. Before fastening of collars quickly raise a cover to level pressure. Sealing surfaces at installation of covers should be cleared of greasing
6 — the Shaft
7 — the Cover, necessarily replace

8 — Consolidation, necessarily replace
9 — the Lock ring. Necessarily replace. It is inserted into a shaft groove
10 — the Internal hinge. Replace in the complete set. Surfaces under glue should be cleared of greasing and oil
11 — Podkladnaja a plate
12 — the Screw with an internal polyhedron
13 — the Cover with a cover. In the presence of damages check up the internal hinge. A cover check up on presence of cracks and places retyranny. Replace only in the complete set. Sealing surfaces at installation should be cleared of greasing and oil

The car is set in motion by means of transfer of a twisting moment from a transmission to wheels by means of two (or four – on models with a full drive) power shafts. Пыльники internal hinges are made of rubber, and external — from thermoplastic (thermoplastic is steadier against external influences). Each shaft consists of three basic parts: the internal hinge (type «трипод»), directly shaft and the external hinge of equal angular speeds (SHRUS). The internal hinge of a shaft is fixed by means of a lock ring. External hinges of both shaft (SHRUS) terminate шлицевыми in shaft which enter in шлицы naves of driving wheels. Shaft are fixed in naves by nuts.