Audi A4: Thorax Airbags
Overview - Front Thorax Airbag

1 - Front Thorax Airbag
- Driver Thorax Airbag Igniter -N199-
- Front Passenger Thorax Airbag Igniter -N200-
WARNING
Risk of injury due to involuntary deployment.
Pay attention to the safety precautions when working with
pyrotechnic components. Refer to
→ Chapter "Safety Precautions when Working with Pyrotechnic
Components".
- Removing and installing. Refer to
→ Chapter "Front Thorax Airbag with Igniter, Removing and Installing".
2 - Bolt
- 10 Nm
- Replace after removing
- Clean the threaded hole for the bolt with for example a thread tap.
- Install with locking compound. Refer to the Parts Catalog for the
locking compound.
3 - Wire
- From Driver Thorax Airbag Igniter -N199-/Front Passenger Thorax Airbag
Igniter -N200- directly to the connector station
- Removing and installing. Refer to
→ Chapter "Thorax Airbag Wire, Removing and Installing".
4 - Backrest Frame
Overview - Rear Thorax Airbag

1 - Side Cushion
- Removing and installing. Refer to
→ Chapter "Rear Thorax Airbag with Igniter, Removing and Installing".
2 - Rear Thorax Airbag
- Driver Side Rear Thorax Airbag Igniter -N201-
- Passenger Side Rear Thorax Airbag Igniter -N202-
WARNING
Risk of injury due to involuntary deployment.
Pay attention to the safety precautions when working with
pyrotechnic components. Refer to
→ Chapter "Safety Precautions when Working with Pyrotechnic
Components".
- Removing and installing. Refer to
→ Chapter "Rear Thorax Airbag with Igniter, Removing and Installing".
3 - Connector
- Driver Side Rear Thorax Airbag Igniter -N201-
- Passenger Side Rear Thorax Airbag Igniter -N202-
4 - Nuts
- 6 Nm
- Replace after removing
- Install with locking compound. Refer to the Parts Catalog for the
locking compound.
5 - Nut
- Tightening specification. Refer to
→ Chapter "Overview - Rear Seat Backrest, Folding Backrest".
READ NEXT:
Caution
This procedure contains mandatory replaceable parts.
Refer to component overview and parts catalog prior to
starting procedure.
Mandatory Replacement Parts
Bolt - Front Thorax Air
Caution
This procedure contains mandatory replaceable parts.
Refer to component overview and parts catalog prior to
starting procedure.
Mandatory Replacement Parts
Nut - Rear Thorax Airba
Overview - Head Curtain Airbag
Note
The Avant is shown.
1 - Bolt
5 Nm
Replace after removing
2 - Clip
Quantity: 2
3 - Clip
Only available with -6-
Remo
SEE MORE:
Front Gas-Filled Shock Absorbers, Venting and Draining
Special tools and workshop equipment required
Hand drill
3 mm diameter drill bit.
6 mm diameter drill bit
Oil collecting container
Protective eyewear
Procedure
- Secure the gas-filled shock absorber vertically in a vise
with the pis
General Information
Note
All test conditions marked * are vehicle-specific and are
described in the Repair Manual for the relevant vehicle.
Check cooling performance.
Connections with valve and service connections for
measurement and testing. Refer to
→ Heating, Ventilation and