Removing and installing wheel bearing unit (four-wheel drive vehicles) — AUDI

🧭 Before you start

Fits: Audi A8 D4 (4H, 2010–2017)

Don't miss

• The speed sensor must be removed to avoid denting or damaging the encoder ring on the drive shaft.The encoder ring must be renewed if it is dented or damaged .
• Avoid dirtying or damaging the seal when laying down or storing the wheel bearing. — Always put down the wheel bearing unit with the wheel hub (2) facing downwards.

📋 Procedure

1. Position vehicle on lifting platform .
2. Slacken bolt securing drive shaft to wheel hub .
3. Remove wheel. [Note: The speed sensor must be removed to avoid denting or damaging the encoder ring on the drive shaft.The encoder ring must be renewed if it is dented or damaged .]
4. Release and unplug connector (1) from rear speed sensor.
5. Remove bolt (2) and detach rear speed sensor(1).

6. Release and unplug connector (3) for electromechanical parking brake at bracket (2).
7. Remove bolt (1) and detach bracket (2) with pipes/wiring.
8. Detach brake caliper and brake disc 46.
9. Secure brake caliper to body so that weight of caliper does not stretch or damage brake hose or brake pipe.
10. Remove bolts (arrows) securing wheel bearing unit.
11. Detach wheel bearing unit from wheel bearing housing.
12. ⚠ Avoid dirtying or damaging the seal when laying down or storing the wheel bearing. — Always put down the wheel bearing unit with the wheel hub (2) facing downwards.
13. Fit brake caliper and brake disc 46.
14. Install rear speed sensor45.
15. Fit wheel.
16. Tighten bolt securing drive shaft to wheel hub .
17. Secure wheel Wheels and tyres44.
18. Check and adjust wheel alignment as required, see chart .

🎬 Related video tutorial

Independent AUTODOC tutorial for the same job, filmed on a different model (A6 2 (C6)) — the technique carries over, the fasteners and figures on this page are the ones for your car.

How to change rear wheel bearing / rear hub bearing on AUDI A6 2 (C6)

Other AUDI procedures

• Removing and installing toothed belt – Audi · 56 torque figures
• Removing engine – Audi A8 D3 · 41 torque figures
• Removing camshaft timing chain from camshafts – Audi A6/A7 C7 · 38 torque figures
• Installing engine – Audi A8 D4 · 36 torque figures
• Removing and installing camshaft timing chain · 29 torque figures
• Removing and installing selector lever lock solenoid – Audi
• Adjusting accelerator position sender G79 - vehicles with 6-cylinder engine
• Checking accelerator position sender G79 - vehicles with 4-cylinder engine
• Removing and installing fuel filter on vehicles up to 04.2002
• Removing rear window crank – Audi A2 · 1 torque figures