Audi A4: Airbag Crash Sensors
Component Location Overview - Airbag Crash Sensors
Note
The Avant is shown.

1 - Passenger Side Front Airbag Crash Sensor -G284-
- Component location: on the right of the lock carrier
- Removing and installing. Refer to
→ Chapter "Driver Front Airbag Crash Sensor -G283-, Removing and
Installing".
2 - Bolt
3 - Front Passenger Thorax Airbag Crash Sensor -G180-
- Component location: inside the door
- Safety precautions. Refer to
→ Chapter "Front Thorax Airbag Crash Sensors (Pressure Sensors) Safety
Precautions".
- Removing and installing. Refer to
→ Chapter "Driver Thorax Airbag Crash Sensor -G179-/ Front Passenger
Thorax Airbag Crash Sensor -G180-, Removing and Installing".
- Make sure the seal is seated correctly. Replace crash sensor if damaged
or deformed
- The tabs must audibly engage
4 - Passenger Side Rear Thorax Airbag Crash Sensor -G257-
- Component location: Behind the sill panel strip
- Removing and installing. Refer to
→ Chapter "Driver Side Rear Thorax Airbag Crash Sensor -G256-/ Passenger
Side Rear Thorax Airbag Crash Sensor -G257-, Removing and Installing".
5 - Bolt
6 - Bolt
7 - Driver Side Rear Thorax Airbag Crash Sensor -G256-
- Component location: Behind the sill panel strip
- Removing and installing. Refer to
→ Chapter "Driver Side Rear Thorax Airbag Crash Sensor -G256-/ Passenger
Side Rear Thorax Airbag Crash Sensor -G257-, Removing and Installing".
8 - Driver Thorax Airbag Crash Sensor -G179-
- Component location: Inside the door
- Safety precautions. Refer to
→ Chapter "Front Thorax Airbag Crash Sensors (Pressure Sensors) Safety
Precautions".
- Removing and installing. Refer to
→ Chapter "Driver Thorax Airbag Crash Sensor -G179-/ Front Passenger
Thorax Airbag Crash Sensor -G180-, Removing and Installing".
- Make sure the seal is seated correctly. Replace crash sensor if damaged
or deformed
- The tabs must audibly engage
9 - Bolt
10 - Driver Front Airbag Crash Sensor -G283-
- Component location: On the left of the lock carrier
- Removing and installing. Refer to
→ Chapter "Driver Front Airbag Crash Sensor -G283-, Removing and
Installing".
READ NEXT:
Note
The Passenger Side Front Airbag Crash Sensor -G284- is removed
and installed the same way.
Removing
WARNING
Risk of injury due to involuntary deployment.
Pay attention to the sa
Overview - Seat Position Sensor
Note
The front passenger side is shown.
1 - Connector Coupling
Connector station in the underbody under the seat.
2 - Bolt
1.2 Nm
3&n
Front Passenger Occupant Detection Sensor -G128-, Removing and Installing
Note
The passenger occupant detection sensor is only installed in the
front passenger seat.
Removing
- Unscrew t
SEE MORE:
Servicing Station, Connecting for Measuring and Testing
- Turn off the ignition.
- Connect the service station to the power supply.
- Connect the quick-release coupling adapter to the charging
hoses of service station (handwheels not screwed in/hand
shut-off valve not open).
- 
Overview - Radiator/Radiator Fan
1 - Radiator
Removing and installing. Refer to
→ Chapter "Radiator, Removing and Installing".
After replacing, replace entire amount of coolant
2 - Drain Plug
1.5 to 3 Nm
3 - O-ring
Replace after removing
4 -