Audi A4 with 2001- 2005 of release.
1. Operation and car maintenance service
2. The engine
3. Transmission
4. A running gear
4.1. Wheels and tyres
4.2. The general data on a car running gear
4.2.1. A running gear
4.2.2. Негерметичность shock-absorbers
4.2.3. Noise in shock-absorbers
4.2.4. Check of the removed shock-absorber
4.2.5. Check of shock-absorbers on амортизаторном the stand
4.2.6. System Dynamic-Ride-Control (DRC II)
4.2.7. A forward amortisation rack
4.2.8. Pressure check in system DRC II
4.3. Repair of a suspension bracket of forward wheels
4.4. A back suspension bracket
4.5. Tables
5. The steering mechanism
6. Brake system
7. An onboard electric equipment
8. A body
9. Electric equipment schemes


4.2.3. Noise in shock-absorbers

Shock-absorbers often are rejected and vary because of extraneous knocks. The researches spent at the stand and on cars have shown that apprx. 70 % of ostensibly rejected shock-absorbers were not rejected, and replacement was unreasonable.
In case of the malfunctions, interpreted as extraneous knocks or clicks, operate as follows.
During a trial trip – whenever possible, on dry rough road – with find out, where, when and as noise prove.

In the rare occurences the reason of noise is the shock-absorber.

4.2.2. Негерметичность shock-absorbers

4.2.4. Check of the removed shock-absorber