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:
Caution
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.
or
- Have a second technician operate the testing equipment on the rear seat.
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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
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A/C System and Refrigerant R134a Safety Precautions
Vehicles with a high-voltage system (hybrid vehicles)
Extremely Dangerous Due to High-Voltage
The high-voltage system is under high-voltage. Electrocution can
cause death or very serious personal injury from damages high-voltage
components and high-voltage cables.
- Perform a visual inspectio
Ball Joint, Removing and Installing
Special tools and workshop equipment required
Torque Wrench 1332 40-200Nm -VAG1332-
Torque Wrench 1332 Insert - Ring Wrench - 21mm -VAG1332/7-
Ball Joint Splitter -T40277-
Caution
This procedure contains mandatory replaceable parts.
Refer to component overview and parts catalog prior
