Side Curtain Airbag, Servicing

Side Curtain Airbag, Servicing

=> [ Side Curtain Airbag, Sedan ]

=> [ Side Curtain Airbag, Avant ]

Side Curtain Airbag, Sedan

Special tools, testers and auxiliary items required

• Torque Wrench (V.A.G 1783)

• Vehicle Diagnosis, Testing and Information System ( VAS 5051 A)

CAUTION!
Note safety precautions for working on airbags => [ Airbag System Safety Precautions ] Service Precautions and side curtain airbags => [ Side Curtain Airbag Safety Precautions ] Side Curtain Airbag Safety Precautions.

• There are 2 airbag versions. Both versions are described in the following. Determine which version the vehicle has and performed the corresponding activities.

Version 1

1 Side Curtain Airbag

• Removal:

- Disconnect the battery ground (GND) strap.

- Remove sun visor. Refer to => [ Sun Visor ] Roof Trim, Sedan.

- Remove upper trim on A-pillar. Refer to => [ Upper A-Pillar Trim ] Trim.

- Remove upper B-pillar trim. Refer to => [ Upper B-Pillar Trim ] Trim.

- Remove roof end. Refer to => [ Roof Panel ] Trim.

- Remove D-pillar trim. Refer to => [ D-Pillar Trim ] Trim.

- Disconnect connectors. Refer to => [ Disconnect Side Curtain Airbag Connector ].

- Loosen three bolts - 4 -.

- Loosen six bolts - 5 -.

- Remove screw - 7 -.

- Remove three brackets - 2 - from roof frame.

- Place front part of side curtain airbag module on seats.

- Loosen two bolts - 6 -.

- Remove head-level airbag - 1 - from vehicle.

• Installing:

CAUTION!
Note safety precautions for working on airbags. Refer to => [ Airbag System Safety Precautions ] Service Precautions and side curtain airbags => [ Side Curtain Airbag Safety Precautions ] Side Curtain Airbag Safety Precautions.

CAUTION!
Always follow side curtain airbag installation procedure.

- Insert center bracket - 2 -.

- Insert remaining brackets - 2 -.

- Install two bolts - 6 -.

- Tighten bolt - 7 -.

- Secure airbag module to B-pillar with two bolts - 5 -. Refer to => [ Side Curtain Airbag Fastener to B-Pillar ].

- Secure three brackets - 2 - using three bolts - 5 -.

- Install last bolt - 5 -.

- Install outer bolts - 4 -.

- Install center bolt - 4 -.

Further installation is performed in the reverse order of removal. Observe the following when doing so:

- Switch on ignition.

CAUTION!
No one should be in vehicle when connecting battery.

- Connect the battery ground (GND) strap.

• Follow safety measures after connecting battery.

• If the Airbag Malfunction Indicator Lamp (MIL) ( K75) shows a malfunction after assembly, DTC memory must be checked with Vehicle Diagnostic, Testing and Information System ( VAS 5051 A), cleared and then rechecked.

2 Bracket (Qty. 5)

3 Tab

4 Bolts (Qty. 3)

• Tightening specification 4 Nm

• Self-locking

• Replace after each disassembly

• Threaded holes for screws must always be cleaned (for example, with thread cutter)

5 Screws (Qty. 6)

• Tightening specification 4 Nm

• Self-locking

• Replace after each disassembly

• Threaded holes for screws must always be cleaned (for example, with thread cutter)

6 Bolts (Qty. 2)

• Tightening specification 4 Nm

• Self-locking

• Replace after each disassembly

• Threaded holes for screws must always be cleaned (for example, with thread cutter)

7 Bolt

• Tightening specification 4 Nm

• Self-locking

• Replace after each disassembly

• Threaded holes for screws must always be cleaned (for example, with thread cutter)

8 Side Curtain Airbag Connector

9 Gas Generator

Side Curtain Airbag Fastener to B-Pillar

1. Side Curtain Airbag

- Install bolts - 5 -.

Tightening specification: 4 Nm

Disconnect Side Curtain Airbag Connector

- Press catch - A - and disconnect connector in direction of arrow.

1. Connector retaining base

Version 2

CAUTION!
Note safety precautions for working on airbags. Refer to => [ Airbag System Safety Precautions ] Service Precautions and side curtain airbags => [ Side Curtain Airbag Safety Precautions ] Side Curtain Airbag Safety Precautions.

1 Bolt (Qty. 10)

• Tightening specification 4 Nm

• Self-locking

• Replace after each disassembly

• Threaded holes for screws must always be cleaned (for example, with thread cutter)

2 Cap Nut

• Tightening specification.

3 Retainers (Qty. 2)

4 Bolt (Qty. 1)

• Tightening specification 4 Nm

• self-locking

• replace after each disassembly

• Threaded holes for screws must always be cleaned (for example, with thread cutter)

5 Bracket (Qty. 1)

• Removal:

- Disconnect the battery ground (GND) strap.

- Remove sun visor. Refer to => [ Sun Visor ] Roof Trim, Sedan.

- Remove upper trim on A-pillar. Refer to => [ Upper A-Pillar Trim ] Trim.

- Remove upper B-pillar trim. Refer to => [ Upper B-Pillar Trim ] Trim.

- Remove roof end. Refer to => [ Roof Panel ] Trim.

- Remove D-pillar trim. Refer to => [ D-Pillar Trim ] Trim.

- Disconnect connector on side curtain airbag. Refer to => [ Side Curtain Airbag Connector, Disconnecting ]

- Remove the bolt - 4 -.

- Remove bolts (Qty. 2) - 1 - in area of gas generator.

- Loosen cap nut - 2 - in area of gas generator.

- Remove the bolts - 1 -.

- Unclip bracket - 3 - and remaining brackets up to bracket - 5 - from roof frame.

- Remove cap nut - 2 - in area of gas generator.

- Firmly hold side curtain airbag, unclip bracket - 5 - from roof frame and remove airbag from vehicle.

Side Curtain Airbag Connector, Disconnecting

• Removing:

- Unlock connector lock with a small screwdriver - 3 -.

- Disconnect connector - 1 - from ignition pill - 2 -.

• Installing:

CAUTION!
Note safety precautions for working on airbags. Refer to => [ Airbag System Safety Precautions ] Service Precautions and side curtain airbags => [ Side Curtain Airbag Safety Precautions ] Side Curtain Airbag Safety Precautions.

CAUTION!
Always follow side curtain airbag installation procedure.

- Clip bracket - 5 - into roof frame.

- Engage side curtain airbag by threaded pins - 2 - and tighten the nut by hand.

- Clip in bracket - 3 - and remaining brackets.

- Tighten bolt - 1 - on bracket - 5 -. Refer to => [ (Item 1) Bolt (Qty. 10) ].

- Tighten remaining bolts - 1 -. Refer to => [ (Item 1) Bolt (Qty. 10) ].

- Tighten bolt - 4 -. Refer to => [ (Item 4) Bolt (Qty. 1) ].

- Tighten nut 2. Refer to => [ (Item 2) Cap Nut ].

Installation is reverse of removal, noting the following:

- Switch on ignition.

CAUTION!
No one should be in vehicle when connecting battery.

- Connect the battery ground (GND) strap.

• Follow safety measures after connecting battery.

• If the Airbag Malfunction Indicator Lamp (MIL) ( K75) shows a malfunction after assembly, DTC memory must be checked with Vehicle Diagnostic, Testing and Information System ( VAS 5051 A), cleared and then rechecked.

Side Curtain Airbag, Avant

Special tools, testers and auxiliary items required

• Torque Wrench (V.A.G 1783)

• Vehicle Diagnosis, Testing and Information System ( VAS 5051 A)

CAUTION!
Note safety precautions for working on airbags. Refer to => [ Airbag System Safety Precautions ] Service Precautions and side curtain airbags => [ Side Curtain Airbag Safety Precautions ] Side Curtain Airbag Safety Precautions.

• There are 2 airbag versions. Both versions are described in the following. Determine which version the vehicle has and performed the corresponding activities.

Version 1

1 Side Curtain Airbag Connector

2 Side Curtain Airbag

• Removal:

- Disconnect the battery ground (GND) strap.

- Remove sun visor. Refer to => [ Sun Visor ] Roof Trim, Sedan.

- Remove upper trim on A-pillar. Refer to => [ Upper A-Pillar Trim ] Trim.

- Remove D-pillar trim. Refer to => [ D-Pillar Trim, Removing and Installing ] .

- Remove trim above rear door. Refer to => [ Trim above Rear Door, Removing and Installing ] .

- To disconnect harness connector - 1 -, open fuse using a screwdriver.

- Remove screw - 6 -.

- Loosen four bolts - 7 -.

- Remove screw - 5 -.

- Place front part of side curtain airbag module on seats.

- Loosen three bolts - 3 -.

- Remove four bolts - 4 - and remove brackets - arrows - from roof frame.

- Remove head-level airbag - 2 - from vehicle.

• Installing:

CAUTION!
Always follow side curtain airbag installation procedure.

- Insert brackets - arrows -.

- Secure four brackets - arrows - beginning from behind with four bolts - 4 -.

- Install three bolts - 3 -.

- Install last bolt - 5 -.

- Install four bolts - 7 -.

- Install bolt - 6 -.

- When connecting harness connector - 1 -, make sure that it is firmly engaged.

Further installation is performed in the reverse order of removal. Observe the following when doing so:

- Switch on ignition.

CAUTION!
No one should be in vehicle when connecting battery.

- Connect the battery ground (GND) strap.

• Follow safety measures after connecting battery.

• If the Airbag Malfunction Indicator Lamp (MIL) ( K75) shows a malfunction after assembly, DTC memory must be checked with Vehicle Diagnostic, Testing and Information System ( VAS 5051 A), cleared and then rechecked.

3 Bolts (Qty. 3)

• Tightening specification 3.5 Nm

• Self-locking

• Replace after each disassembly

• Threaded holes for screws must always be cleaned (for example, with thread cutter)

4 Screws (Qty. 4)

• Tightening specification 3.5 Nm

• Self-locking

• Replace after each disassembly

• Threaded holes for screws must always be cleaned (for example, with thread cutter)

5 Bolt

• Tightening specification 3.5 Nm

• Self-locking

• Replace after each disassembly

• Threaded holes for screws must always be cleaned (for example, with thread cutter)

6 Bolt

• Tightening specification 3.5 Nm

• Self-locking

• Replace after each disassembly

• Threaded holes for screws must always be cleaned (for example, with thread cutter)

7 Screws (Qty. 4)

• Tightening specification 3.5 Nm

• Self-locking

• Replace after each disassembly

• Threaded holes for screws must always be cleaned (for example, with thread cutter)

Version 2

CAUTION!
Note safety precautions for working on airbags. Refer to => [ Airbag System Safety Precautions ] Service Precautions and side curtain airbags => [ Side Curtain Airbag Safety Precautions ] Side Curtain Airbag Safety Precautions.

1 Cap Nut

2 Screws, (Qty. 2)

• Tightening specification 3.5 Nm

• Self-locking

• Replace after each disassembly

• Threaded holes for screws must always be cleaned (for example, with thread cutter)

3 Bolt

• Tightening specification 3.5 Nm

• Self-locking

• Replace after each disassembly

• Threaded holes for screws must always be cleaned (for example, with thread cutter)

4 Bolts (Qty. 3)

• Tightening specification 3.5 Nm

• Self-locking

• Replace after each disassembly

• Threaded holes for screws must always be cleaned (for example, with thread cutter)

5 Bolt

• Tightening specification 3.5 Nm

• Self-locking

• Replace after each disassembly

• Threaded holes for screws must always be cleaned (for example, with thread cutter)

6 Bolt

• Tightening specification 3.5 Nm

• Self-locking

• Replace after each disassembly

• Threaded holes for screws must always be cleaned (for example, with thread cutter)

7 Bolt

• Tightening specification 3.5 Nm

• Self-locking

• Quantity: 4

• Replace after each disassembly

• Threaded holes for screws must always be cleaned (for example, with thread cutter)

8 Side Curtain Airbag

9 Side Curtain Airbag Connector

• Removal:

- Disconnect the battery ground (GND) strap.

- Remove sun visor. Refer to => [ Sun Visor ] Roof Trim, Sedan.

- Remove upper trim on A-pillar. Refer to => [ Upper A-Pillar Trim ] Trim.

- Remove D-pillar trim. Refer to => [ D-Pillar Trim, Removing and Installing ] .

- Remove trim above rear door. Refer to => [ Trim above Rear Door, Removing and Installing ] .

- Disconnect connector - 9 - on side curtain airbag. Refer to => [ Side Curtain Airbag Connector, Disconnecting ]

- Remove the bolt - 6 -.

- Remove bolts - 2 - (Qty. 2) in area of gas generator.

- Remove cap nut - 1 - in area of gas generator.

- Remove bolts - 4 -, - 5 - and - 7 -

- Remove the bolt - 3 -.

- Unclip bracket - 6 - and remaining brackets up to bracket - 3 - from roof frame. Firmly hold side curtain airbag.

- Unclip bracket - 3 - from roof frame and remove side curtain airbag from vehicle.

Side Curtain Airbag Connector, Disconnecting

- Clip in brackets - 4 -, - 5 -, - 6 - and - 7 -.

- Tighten bolt - 3 -. Refer to => [ (Item 3) Bolt ].

- Engage side curtain airbag at threaded pins and tighten nut - 1 - by hand.

- Tighten bolts - 2 -. Refer to => [ (Item 2) Screws, (Qty. 2) ].

- Tighten bolts - 4 -, - 5 - and - 7 -. Refer to => [ (Item 4) Bolts (Qty. 3) ] and => [ (Item 5) Bolt ] and => [ (Item 7) Bolt ].

- Tighten bolt - 6 -. Refer to => [ (Item 6) Bolt ].

- Tighten nuts - 1 -. Refer to => [ (Item 1) Cap Nut ].

Installation is reverse of removal, noting the following:

- Switch on ignition.

CAUTION!
No one should be in vehicle when connecting battery.

- Connect the battery ground (GND) strap.

• Follow safety measures after connecting battery.

• If the Airbag Malfunction Indicator Lamp (MIL) ( K75) shows a malfunction after assembly, DTC memory must be checked with Vehicle Diagnostic, Testing and Information System ( VAS 5051 A), cleared and then rechecked.