Audi Q3: Head Curtain Airbags

Overview - Head Curtain Airbag

1 - Black Line

• Serves as anti-rotation protector
• must be visible after installation.

2 - Clip

• Quantity: 5
• Removing and installing.

3 - Connector

• Driver side: for Driver Head Curtain Airbag Igniter -N251-
• Front passenger side: for the Front Passenger Head Curtain Airbag Igniter -N252-
• Disconnecting and connecting.

4 - Head Curtain Airbag

• Driver side: with Driver Head Curtain Airbag Igniter -N251-
• Passenger side: with Front Passenger Head Curtain Airbag Igniter -N252-

  WARNING

Follow all safety precautions when working with pyrotechnic components. Refer to → Chapter "Pyrotechnic Components Safety Precautions".

• Removing and installing. Refer to → Chapter "Head Curtain Airbag with Igniter, Removing and Installing".

5 - Bolt

• 5 Nm
• Replace

6 - Clip

• Quantity: 2
• If it was removed because of an accident, replace the clip

7 - Strap

• Removing and installing.

Head Curtain Airbag with Igniter, Removing and Installing

Special tools and workshop equipment required

• Hook Tool -T40207-
• Release Tool Set - Extraction Tool 17 -VAS1978/17- from the Release Tool Set -VAS1978/35-

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".

- Disconnect the battery ground cable with the ignition turned on. Refer to → Electrical Equipment; Rep. Gr.27; Battery; Battery, Disconnecting and Connecting.

- Remove the headliner. Refer to → Chapter "Headliner, Removing and Installing".

- Remove the head curtain airbag limiting strap -1- from the A-pillar.

- Carefully position the Hook Tool -T40207- and then guide it into the opening in the body.

- Attach the Hook Tool -T40207- to the loop -2- on the head curtain airbag limiting strap and carefully pull it out.

USA and Canada market versions:

- Remove the head curtain airbag strap -1- from the A-pillar.

- To do so, forcefully push the Release Tool Set - Extraction Tool 17 -VAS1978/17- with the "spoon"-arrow- all the way into the opening -A-, as shown in the illustration.

- At the same time pull the left side of the clip out from the body.

- Pull the Release Tool Set - Extraction Tool 17 -VAS1978/17- back out and pay attention that the clips on the loosed side do not re-engage.

- Turn the Release Tool Set - Extraction Tool 17 -VAS1978/17- 180º and repeat the procedure for the opening -B-.

Continuation for all vehicles:

- Remove the clips -1- and -2- from the A-pillar.

- Disengage the clips -1 to 5- head curtain airbag retaining tab clips from the body.

- To do so, forcefully push the Release Tool Set - Extraction Tool 17 -VAS1978/17- with the "spoon"-arrow- all the way into the opening -A-, as shown in the illustration.

- At the same time pull the left side of the clip out from the body.

- Pull the Release Tool Set - Extraction Tool 17 -VAS1978/17- back out and pay attention that the clips on the loosed side do not re-engage.

- Turn the Release Tool Set - Extraction Tool 17 -VAS1978/17- 180º and repeat the procedure for the opening -B-.

Disconnecting and Connecting

  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.

- Release the connector lock with a small screwdriver -arrow- and disconnect the connector -1-.

- Remove the bolt -3- from the head curtain airbag.

- Disengage the front head curtain airbag -2-, to do this push the gas generator slightly upward and pull inward.

- Push the head curtain airbag rearward from the mount and remove.

Installing

  WARNING

• Follow all safety precautions when working with pyrotechnic components. Refer to → Chapter "Pyrotechnic Components Safety Precautions".
• Always follow head curtain airbag installation procedure.

  WARNING

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.

- Engage the head curtain airbag -1- at the rear on the body -arrow A- and push forward.

- Engage the front head curtain airbag on the body -arrow B-.

- Tighten the bolt -3-.

- Connect the connector -1- on the head curtain airbag igniter -2-.

- Install the connector locking mechanism -arrow B-. While doing this, the connector is pushed into the head curtain airbag igniter and locks into place.

- Attach the head curtain airbag limiting strap to the A-pillar.

  Note

Replace the clips -1- and -2- if the removal is due to a crash.

- Clip the clips -1 and 2- with the tab -3- for the head curtain airbag in the body.

- Engage the head curtain airbag in the clips.

- Install the clips for the head curtain airbag in the following sequence: -1 and 5-. They must audibly clip into the body.

- Make sure the "black line"-6- is visible over the entire length. By making sure it is will ensure that the head curtain airbag is NOT twisted.

Installation is performed in reverse order of removal, while noting the following:

  Note

• Make sure the connectors are installed correctly and are secure.
• Make sure the wires do not get caught.

  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.

- Connect the battery ground cable with the ignition turned on. Refer to → Electrical Equipment; Rep. Gr.27; Battery; Battery, Disconnecting and Connecting.

  Note

If the Airbag Indicator Lamp -K75- indicates a fault, check the DTC memory, erase it and check it again using the Vehicle Diagnostic Tester .

Installation notes, for example tightening specifications, replacing components. Refer to → Chapter "Overview - Head Curtain Airbag".

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