Audi A4 Owners & Service Manuals

Audi A4: Safety Precautions

Safety Precautions when Working on Vehicles with Start/Stop System

There is a risk of injury due to the engine starting unexpectedly.

The engine can start unexpectedly on vehicles with an activated Start/Stop System. A message in the instrument cluster indicates whether the Start/Stop System is activated.

- Deactivate the Start/Stop System: Switch off the ignition.

Safety Precautions when Working on Subframe

Note the following when working on the subframe:


There is a risk of damaging the suspension components.

  • If the subframe mount, steering gear or subframe crossbrace are not installed correctly, do not rest the vehicle on its wheels.
  • Supporting the vehicle at the subframe or the subframe crossbrace (for example, using a floor jack or similar device) is not permitted.

Safety Precautions during Road Test with Testing Equipment

There is a risk of injury caused by unsecured testing equipment.

If the front passenger airbag deploys during an accident, unsecured testing equipment becomes a dangerous projectile.

- Secure the testing equipment on the rear seat.


- Have a second technician operate the testing equipment on the rear seat.


     Repair Information

     Shock Absorber Leaks

    Vehicles with Coil Springs Shock absorbers are frequently rejected and replaced because of leaks. Examinations on the test stand and on the vehicle have shown that the replacement of a large number

     General Information

      Caution There is a risk of damaging the threads in the vehicle body. The bolts and nuts at all suspension parts must not be loosened or tightened with an impact wrench. Always install th



    Key set Fig. 26 Your vehicle key set Vehicle key You can unlock and lock your vehicle with the vehicle key. Mechanical key and release buttons for the mechanical key A mechanical key is integrated in the vehicle key. To remove it, press the release button and remove the mechanical key. Usi

     Special Tools

    Special tools and workshop equipment required Engine/Gearbox Jack Adapter - Wheel Hub Support -T10149- Hydraulic Press - Bushing Assembly Tool Kit -T10230- Gearbox Support -T40173- Puller - Differential Bearing -T40032- Rear Bushing Tool -T40033- Torque Wrench 1331 5-50Nm -VAG1

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