Removing and installing head airbag - 3-door vehicles — AUDI

Important=>
Head airbag

Removing
Remove upper A-pillar trim => Page
70-109
Remove upper B-pillar trim without removing seat belt => Page
70-113
Remove upper D-pillar trim => Page
70-118
Remove headlining => Page
70-72

Remove bolts -3- (2x).
Fold front part of head airbag backwards and attach to Velcro fastening (magnified view).
Unplug connector -6- for head airbag at 4-pin connector between gas generator and roof => Fig.
2
Unscrew bolt-4-.
Remove bolts -8- (2x).
Remove gas generator with locating pin -7- => Fig.
4
Remove head airbag -1- at grab handles -2-.

Important
Always observe installation sequence of head airbag
Installing
Before installing the head airbag module, check the contact surface for the head airbag at the threaded bushings on the roof grab handle => Fig.
6
Check clamp mounts for B-pillar trim before installing B-pillar trim => Fig.
7
Secure head airbag with pre-retainer clips at grab handle adapters -2- (2x) => Fig.
5
Secure gas generator with roof frame locating pin -7- => Fig.
4
Insert bolts -8- (2x), pressing airbag module -1- with one hand at rear roof grab handle bolting point => Fig.
1

Detach front part of head airbag -1- and fold towards A-pillar; while doing this anti-twist seam -A- must point in direction of centre of vehicle.
Insert bolt -3- => Fig.
3
Remainder of installation is carried out in reverse order of removal.
Switch ignition on.

Important
There must be no-one in the vehicle when the battery is being connected.
Connect battery.

Grab handle adapter

Bolts (2x)
Tightening torque 4 Nm

Self-locking
Replace
Threaded bores for bolts must always be cleaned (e.g. with a thread tap).
If threaded bushings are loose, re-tighten using riveting pliers.

Bolt
Tightening torque 4 Nm

Self-locking
Replace
Threaded bores for bolts must always be cleaned (e.g. with a thread tap).
If threaded bushings are loose, re-tighten using riveting pliers.

Gas generator
Connector for head airbag
Locating pin
Bolts (2x)
Tightening torque 4 Nm

Self-locking
Replace
Threaded bores for bolts must always be cleaned (e.g. with a thread tap).
If threaded bushings are loose, re-tighten using riveting pliers.

Fig.1
Gas generator to roof frame

Screw in bolts -8-.
Tightening torque 4 Nm
Screw in bolt -4-.
Tightening torque 4 Nm

1 -
Head airbag
5 -
Gas generator
6 -
Airbag connector

Fig.2
Detaching connector for head airbag

Press release -A- and unplug connector in direction of arrow.

6 -
Connector for head airbag

Fig.3
Head airbag to lower A-pillar

First install lower bolts -B-.
Tightening torque 4 Nm

1 -
Head airbag
3 -
Bolts (2x)
A -
Anti-twist seam

Fig.4
Gas generator bracket

Remove gas generator -5- with locating pin -7-.

Fig.5
Securing head airbag at roof grab handle

Attachment of roof grab handle is the same at front and rear.

Insert pre-retainer clip -A- into mounting -C-.
Insert pins -B- into mounting -D-.
Anti-twist seam -E- must face into direction of vehicle centre.

1 -
Head airbag
2 -
Adapter for grab handle

Fig.6
Checking contact surface for head airbag

Before installing any airbag, the sheet metal -2- in the threaded bushing area -1- (4 on each side) must be checked for deformation at the vehicle centre.

Illustration shows a contact surface which is OK.

Align sheet metal if necessary.

Fig.7
Checking clamp mounts for B-pillar trim

Before installing any trim, the sheet metal -2- in the area of the clamp mounts -1- (2 on each side) must be checked.

The sheet metal must lie flat on the mounts.
Illustration shows a clamp mount which is OK.

Align sheet metal if necessary.

Notes:

After connecting the battery, please ensure that the vehicle accessories (radio, clock, electric window lifters) are checked according to workshop manual and/or operating instructions.
If the fault warning light (K 75) for airbag signals a fault after assembly the fault memory must be erased and again be interrogated by using fault reader V.A.G 1551.

=> Body Self-diagnosis; Repair group 01
Body Self-diagnosis