Audi Q5: Airbag Unit with Igniter, Removing and Installing
Airbag Unit with Igniter, Removing and Installing, Bolted Airbag Version
Removing
WARNING
- Follow all Safety Precautions when working with pyrotechnic components. Refer to → Chapter "Pyrotechnic Components Safety Precautions".
- Follow all regulations when disposing of pyrotechnic components. Refer to → Chapter "Airbag, Belt Tensioner and Battery Cut-Out Units, Storing, Transporting and Disposing".
- Move the steering wheel as far down as possible.
- Turn on the ignition.
- Disconnect the battery ground cable with the ignition turned on. Refer to → Electrical Equipment; Rep. Gr.27; Battery; Battery, Disconnecting and Connecting.
- Turn the steering wheel so the cap -1- on the rear side of it faces upward. This is approximately the 12:00 position.
- Tape off the upper trim panel for the steering column switch module in the area of the airbag threaded connection to avoid damaging the surface.
- Pry the cap off -arrow-.
- Remove the driver airbag bolt -arrow-.
- Turn the steering wheel 180º and repeat the procedure on the opposite side.
- Bring the steering wheel back into the center (wheels are straight).
WARNING
Before handling pyrotechnic components (for example, disconnecting the connector), the person handling it must "discharge static electricity". This can be done by touching the door striker, for example.
- Remove the driver airbag from the steering wheel slightly.
- Pull connector lock -1- as far as stop -arrow-. This releases the electrical connector -2- and it can be removed.
- Versions with Multi-function and Tiptronic steering wheel: Disconnect the connector -3-.
- Remove the airbag -4-.
WARNING
Set the airbag down so the impact cushion faces upward.
Installing
WARNING
- Follow all Safety Precautions when working with pyrotechnic components. Refer to → Chapter "Pyrotechnic Components Safety Precautions".
- Before handling pyrotechnic components (for example, connecting the connector), the person handling it must "discharge static electricity". This can be done by touching the door striker, for example.
Install in reverse order of removal. Note the following:
Note
- Make sure the connectors are installed correctly and are secure.
- Make sure the wires do not get caught.
- Connect the spiral spring electrical connector with the airbag connector coupling on the coil connector with slip ring.
- Press in harness connector to secure in the pockets on the steering wheel.
- Position the driver airbag in the steering wheel.
- Install the 2 bolts -arrow- for securing the driver airbag approximately 2 turns.
- Press horn about 3 times to achieve even gap dimension.
- Do not touch the airbag anymore.
- Tighten screws -arrow-.
- Press cover cap into cut-out on steering wheel.
WARNING
Ignition must be on when connecting battery. If pyrotechnic components (for example, airbag, belt tensioner) are not repaired correctly, they may deploy unintentionally after connecting battery. There must not be anyone inside the vehicle when connecting the battery.
DANGER!
When working on vehicles with the ignition already switched on or that are ready to drive there is a danger of the engine starting unexpectedly and of being poisoned by gas in enclosed areas. Risk of body parts and/or clothing being clamped or pulled.
Perform the following before switching on the ignition:
- Move the selector lever into P.
- Activate the parking brake
- Turn off the ignition.
- Open the hood
- Connect Battery Charger -VAS5095A- to the battery jump start terminal.
- Turn on the ignition.
- Connect the battery ground cable with the ignition turned on. Refer to → Electrical Equipment; Rep. Gr.27; Battery; Battery, Disconnecting and Connecting.
- Check and erase the airbag control module DTC memory so that faults can be stored when the connectors are disconnected. Refer to → Vehicle diagnostic tester.
Airbag Unit with Igniter, Removing and Installing, Attached Airbag Version
Special tools and workshop equipment required
- TORX screwdriver T25, approximately 100 mm long, commercially available
Removing
WARNING
- Follow all Safety Precautions when working with pyrotechnic components. Refer to → Chapter "Pyrotechnic Components Safety Precautions".
- Follow all regulations when disposing of pyrotechnic components. Refer to → Chapter "Airbag, Belt Tensioner and Battery Cut-Out Units, Storing, Transporting and Disposing".
- Move the steering wheel as far down as possible.
- Disconnect the battery ground cable with the ignition turned on. Refer to → Electrical Equipment; Rep. Gr.27; Battery; Battery, Disconnecting and Connecting.
- Turn the steering wheel so the opening on the rear side of it faces upward. This is approximately the 12:00 position.
- Releases the locking bracket -1- for the driver side airbag -2--arrows-. Use a T25 TORX screwdriver, approximately 100 mm long.
Note
Electrical wires can be damaged with a flat-head screwdriver.
- Turn the steering wheel 180º and repeat the procedure on the opposite side.
- Bring the steering wheel back into the center (wheels are straight).
WARNING
Before handling pyrotechnic components (for example, disconnecting the connector), the person handling it must "discharge static electricity". This can be done by touching the door striker, for example.
- Remove the driver side airbag -3- from the steering wheel slightly.
- Pull out the connector lock -2--arrow- and press it down, disconnect the connector -1-.
- Versions with Multi-function and Tiptronic steering wheel: Disconnect the connector.
WARNING
Set the airbag down so the impact cushion faces upward.
Installing
WARNING
- Follow all Safety Precautions when working with pyrotechnic components. Refer to → Chapter "Pyrotechnic Components Safety Precautions".
- Before handling pyrotechnic components (for example, connecting the connector), the person handling it must "discharge static electricity". This can be done by touching the door striker, for example.
Install in reverse order of removal. Note the following:
Note
- Make sure the connectors are installed correctly and are secure.
- Make sure the wires do not get caught.
- Connect the spiral spring electrical connector with the airbag connector coupling on the coil connector with slip ring.
- Press in harness connector to secure in the pockets on the steering wheel.
- Position driver airbag in the steering wheel and press on it until it audibly engages.
WARNING
Ignition must be on when connecting battery. If pyrotechnic components (for example, airbag, belt tensioner) are not repaired correctly, they may deploy unintentionally after connecting battery. There must not be anyone inside the vehicle when connecting the battery.
DANGER!
When working on vehicles with the ignition already switched on or that are ready to drive there is a danger of the engine starting unexpectedly and of being poisoned by gas in enclosed areas. Risk of body parts and/or clothing being clamped or pulled.
Perform the following before switching on the ignition:
- Move the selector lever into P.
- Activate the parking brake
- Turn off the ignition.
- Open the hood
- Connect Battery Charger -VAS5095A- to the battery jump start terminal.
- Turn on the ignition.
- Connect the battery ground cable with the ignition turned on. Refer to → Electrical Equipment; Rep. Gr.27; Battery; Battery, Disconnecting and Connecting.
- Check and erase the airbag control module DTC memory so that faults can be stored when the connectors are disconnected. Refer to → Vehicle diagnostic tester.
