Steering Wheel: Service and Repair

Removing and installing steering wheel





Warning notes for removing and installing steering wheel

Warning
Danger of injury and damage to property as a result of incorrect handling of airbag units! Always observe the safety regulations for handling airbag units.
^ In the case of incorrect handling, system faults may occur resulting in the triggering of the airbag or failure to do so.

-> The airbag unit must always be placed so that the airbag opening faces upwards.

-> If removed for an extended period, the airbag unit must be kept in a locked place.

-> Switch off ignition and leave ignition key inserted (steering must not be locked). Disconnect the 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 connectors.

Removal

1. Disconnect battery.
2. Remove steering wheel airbag unit.





Releasing driver's airbag unit

3. Turn wheels to straight-ahead position. Before removing steering wheel, put a mark (e.g. color marking) on steering wheel and steering column (centering of airbag spiral spring).
4. Remove steering wheel by releasing multiple-tooth screw.

Installation

Information
^ The steering wheel is made of magnesium alloy. The tightening torques must be strictly observed.
^ Wheels straight ahead and observe the previously-applied marking.
^ Replace multiple-tooth screw after each removal (micro-encapsulated thread).
^ Observe tightening torque. -> Tightening torque: 50 Nm (37 ftlb.)
^ Airbag unit must lock with an audible click! Check by pulling at airbag unit.

Installation of the steering wheel takes place in reverse order.