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Removing and Installing Driver's Airbag Unit



Removing And Installing Driver's Airbag Unit

Preliminary work for driver's airbag unit

NOTE: Operate the steering wheel with the battery disconnected. Before disconnecting the battery, observe the following points:

1. Insert ignition key into ignition lock, switch on ignition and then off again.
2. Leave ignition key inserted.
3. Disconnect battery. Refer to Work instructions after disconnecting the battery

General warning notes

General warnings for driver's airbag unit

WARNING: Incorrect triggering of airbag module.
- Danger of injury and damage to property as a result of incorrect handling of airbag units.

- The safety regulations. Refer to Safety regulations for handling airbag and belt tensioner units must be followed.
- The airbag unit must always be stowed so that the airbag opening faces upwards.
- If removed for an extended period, the airbag unit must be kept in a locked place.
- Remove ignition key. Disconnect battery. Route or isolate ground strap so that all contact with a ground carrier (e.g. body, seat frame) is avoided.
- After the battery is disconnected, always wait for 1 minute before disconnecting the airbag plugs.

CAUTION: Incorrect release of airbag unit.
- Danger of injury and material damage if airbag units are not installed correctly.

- Before installing the airbag unit, check whether the locking clip, the airbag unit mounting and/or the metal stop on the steering wheel are deformed. If there is deformation, replace the damaged component (steering wheel/airbag unit).
- The airbag unit must only be installed with locking clips that are operational and are in the correct position.
- The locking clip must not jam or grind.
- Do not expose face and other parts of the body to the airbag unit.

Removing driver's airbag unit






NOTE: With the double-clutch transmission steering wheel version, the unlocking tool -1- (Torx with handle or screwdriver) must also be guided by hand while unlocking it.






If the unlocking tool -1- is not guided, the locking spring -2- can tilt sideways in the steering wheel.
If the locking spring -2- is tilted, it will not be possible to release the retaining bar -3-.
If the retaining bar cannot be released, the driver's airbag unit must be pressed into the steering wheel again several times using jerking movements and then released again.

1. Turn steering wheel 90 ° and stick a T30 (Torx with handle) or medium-size screwdriver through the opening of the steering wheel.






WARNING: Incorrect triggering of airbag module.
- Danger of injury and damage to property as a result of incorrect handling of airbag units.

- The safety regulations. Refer to Safety regulations for handling airbag and belt tensioner units must be followed.
- The airbag unit must always be stowed so that the airbag opening faces upwards.
- If removed for an extended period, the airbag unit must be kept in a locked place.
- Remove ignition key. Disconnect battery. Route or isolate ground strap so that all contact with a ground carrier (e.g. body, seat frame) is avoided.
- After the battery is disconnected, always wait for 1 minute before disconnecting the airbag plugs.

Incorrect triggering of airbag module.

2. Use the screwdriver or T30 to compress the locking clip and pull the airbag unit from the steering wheel with the fingers.

Locking clip compressed -A-






Locking clip relieved -B-

3. Unlock electric connector -2- on steering wheel -A- and remove.






Removing airbag lead:

4. Unlock electric connectors -1, 2- with a screwdriver and unplug.






5. Unplug electric connector -3-.

Installing driver's airbag unit

NOTE: If a new component (e.g. sensor, airbag control unit, airbag unit) of the airbag system has to be installed, the new component will be supplied with a barcode sticker (tear-off label).






- Tear off the tear-off label -2- on the new component -1- and stick it under the heading Proof of airbag system check/component replacement in the Guarantee and Maintenance booklet.






- The replacement date and mileage must be documented and the booklet must be stamped with the dealer's stamp.

CAUTION: Incorrect release of airbag unit.
- Danger of injury and material damage if airbag units are not installed correctly.

- Before installing the airbag unit, check whether the locking clip, the airbag unit mounting and/or the metal stop on the steering wheel are deformed. If there is deformation, replace the damaged component (steering wheel/airbag unit).
- The airbag unit must only be installed with locking clips that are operational and are in the correct position.
- The locking clip must not jam or grind.
- Do not expose face and other parts of the body to the airbag unit.

Installing airbag line:
1. Push in the electric connector -3- until it clicks into place.






2. Press in the electric connectors -1, 2- until they click into place, then clip the retainer into the electric connectors -1, 2-.

Incorrect triggering of airbag module. Refer to Removing and installing driver's airbag unit - General warnings

3. Insert electric connector for the airbag wire harness -2- until it clicks into place.






4. Engage the airbag unit in the steering wheel with both hands using intermittent pressure.






5. Each time the airbag unit is fitted, it is important to check that it is installed correctly by pulling the airbag unit, tapping the steering wheel rim and performing a visual inspection (position of airbag unit on steering wheel).






Subsequent work

Work in wake of driver's airbag unit
1. Connect the battery . Carry out -] Refer to Work instructions after disconnecting the battery.
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