Warning! Before carrying out any work related to the removal of airbag modules or the airbag control unit, it is necessary to disconnect the wire from the terminal «minus» battery and wait at least two minutes before starting work. This is required to discharge the airbag capacitor.
After assembling and installing all parts, when turning on the ignition, keep away from the installation sites of the airbag modules so that if they deploy, you will not be injured.
Removing
1. We prepare the car for work (see «Preparing the car for maintenance and repair»).
2. Disconnect the wire from the output «minus» battery and wait at least two minutes for the airbag system capacitor to discharge.
3. We set the front wheels of the car to the position of rectilinear movement.
Comment. The performance of the work is shown on the example of the Astra model. On the Zafira model, it is performed similarly.
4. Using the TORX T30 key, we unscrew the two screws securing the airbag module located in the holes in the rear of the steering wheel (one on each side).
5. We remove the airbag module from the steering wheel, avoiding tension on the wires.
6. Using a thin slotted screwdriver, open the retainer of the wiring harness block.
7. Disconnect the wiring harness block and remove the airbag module.
Comment. Store the air bag module with the plastic cover up to avoid scratching it and to reduce the chance of injury if it is accidentally deployed.
8. Disconnect the wiring harness block from the horn switch.
9. Using a TORX E20 socket wrench, loosen the steering wheel mounting bolt and unscrew it a few turns.
10. Holding hands on both sides of the steering wheel, we vigorously shake it from side to side until the steering wheel comes off the splines of the shaft.
11. Finally unscrew the steering wheel bolt.
12. We remember the relative position of the marks, after which we remove the steering wheel from the splines of the steering shaft.
Installation
Install the steering wheel on the slots so that the marks match. Further installation of parts is carried out in reverse order. We apply an anaerobic thread locker to the bolts of the airbag module.
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