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


     When driving

    Starting to drive, stopping, and parking Starting from a stop Press and hold the brake pedal. Start the engine. Select "D" or "R". Release the parking brake. Release the brake pedal. The vehicle may roll. Press the accelerator pedal to accelerate. Securing the vehicle against rolling Secure

     Ribbed Belt Pulley without Freewheel, Removing and Installing

    Special tools and workshop equipment required Generator Belt Socket -3310- Inner hex socket 8 mm or TORX T50 Removing - Remove the generator if necessary. Refer to → Electrical Equipment; Rep. Gr.27; Generator; Generator, Removing and Installing. - For some engine ty

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