Installing Head Airbag Unit

Information 

Always replace the fastening screws and nuts after customer service and reworking. The micro-self-locking screws must not be treated, greased or loosened and then screwed on again.

Information 

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).

Fig 1: Identifying Airbag Sensor Tear-Off Label

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• Tear off the tear-off label -2- on the new component -1- and stick it in the Warranty and Maintenance booklet under the heading Proof of airbag system check/component replacement. 
  Fig 2: Identifying Tear-Off Label

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• The replacement date and current mileage must be documented and the booklet must be stamped with the Centre's stamp. 

1. Clip in the head airbag unit in the area of the middle fastening screws -2-  in the order -a to c-  and then tighten the fastening screws -2-  in the order -a to c-  . → Tightening torque: 3.5 Nm (2.5 ft lbs.) 
   Fig 3: Installing Head Airbag Unit

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   Information 

   • The head airbag unit must be pushed -3- completely unter the deformation element -3- in the area of the deformation element. 
     Fig 4: Installing Head Airbag Unit

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2. Clip in the head airbag unit in the area of the front fastening screws -2-  in the order -d to g-  and then tighten the fastening screws -2-  in the order -d to g-  . → Tightening torque: 3.5 Nm (2.5 ft lbs.) 
   Fig 5: Installing Head Airbag Unit

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3. Clip in the head airbag unit in the area of the rear fastening screws -2-  in the order -h to k-  and then tighten the fastening screws -2-  in the order -h to k-  . → Tightening torque: 3.5 Nm (2.5 ft lbs.) 
   Fig 6: Installing Head Airbag Unit

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   Information 

   • Make sure that the head airbag is not trapped. 
4. Position the deformation element and tighten with the fastening nuts -1-  . → Tightening torque: 3.5 Nm (2.5 ft lbs.) 
   Fig 7: Installing Deformation Element

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5. Insert connector into the plug socket -arrow A-  until the lock engages securely -arrow B-  .
   Fig 8: Connecting Plug Connection

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6. Clip plug socket into the body -arrow C-  .
   Fig 9: Connecting Plug Connection

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