Astra L4-1.8L (2009)
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Clean the thread and insert the bolts with locking compound.
1. Install the wheel bearing unit.
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Set the cover plate on the wheel bearing unit.
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Push the wheel bearing unit with the cover plate on to the axle shaft and place on the steering knuckle.
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Install 3 new wheel bearing unit bolts.
Tighten the 3 new wheel bearing unit bolts to 90 Nm (66 lb ft), plus 30 degrees, plus 15 degrees.
2. Connect the wheel sensor wiring harness plug.
3. Install the axle shaft to the wheel hub with the new nut.
Tighten the axle shaft wheel hub nut to 150 Nm (110 lb ft), undo 45 degrees, then tighten to 250 Nm (184 lb ft).
Counterhold with J 28733-B /KM-6610 and KM-956-1.
4. Install the brake disc. Refer to Front Brake Rotor Replacement (See: Disc Brake System/Brake Rotor/Disc/Service and Repair/Removal and
Replacement/Front Brake Rotor Replacement).
5. Lower the vehicle.
6. Install the front wheel. Refer to Tire and Wheel Removal and Installation (See: Maintenance/Wheels and Tires/Service and Repair).
