How to replace front wheel bearing / front hub bearing on AUDI A6 2 (C6) [TUTORIAL AUTODOC]
How to replace front wheel bearing / front hub bearing on AUDI A6 2 (C6) [TUTORIAL AUTODOC]


Required tools:
Wire brush
WD-40 spray
Brake cleaner
Copper grease Combination spanner #21
Drive socket # 13
Drive socket # 16
Drive socket # 21
XZN socket bit # 12 HEX bit no.H17.
Torx bit T30
Wheel impact socket #17
Ratchet wrench
Torque wrench Hammer
Tap wrench
Flat chisel
Crow bar
Vice
3-Arm Gear Puller Bush and bearing driver set
Bearing puller
Hub slide hammer puller
Ball joint puller
Hydraulic transmission jack
Wheel chock 1. Unscrew the brake fluid reservoir cap. 2. Loosen the wheel hub fastener.
Use HEX No.H16.
Use a tap wrench. 3. Raise the front of the car and secure on supports. 4. Unscrew the wheel bolts.
Use wheel impact socket #17. AUTODOC recommends:
To avoid injury, hold up the wheel when unscrewing the bolts. 5. Disconnect the brake pads wear sensor.
Use a crowbar. Please note!
Some cars are not equipped with the brake pad wear sensor. 6. Spread the brake pads.
Use a crowbar. 7. Clean the brake caliper bracket fasteners.
Use a wire brush.
Use WD-40 spray. 8. Unscrew the caliper bracket fastening.
Use a drive socket #21. Use a ratchet wrench.
Use a tap wrench. 9. Remove the caliper bracket 10. Disconnect the ABS sensor cable fastener.
Use a crowbar. 11. Unscrew the brake disc fastening
Use Torx T30.
Use a ratchet wrench. 12. Remove the brake disc. 13. Clean all joints of the arm.
Use a wire brush.
Use WD-40 spray. AUTODOC recommends:
After applying the spray, wait a few minutes.
Wear protective goggles.
Wear a respirator. 14. Unscrew the ball joint fastening to the steering knuckle.
Use a drive socket #21.
Use a tap wrench. 15. Remove the fastening bolt. 16. Disconnect the ball joint from the steering knuckle
Use a ball joint puller. 17. Clean the fastener connecting the tie rod end to the steering knuckle. Use a wire brush.
Use WD-40 spray. 18. Unscrew the end fastening nut to the steering knuckle.
Use a drive socket #16.
Use a ratchet wrench. 19. Unscrew the end fastening nut to the steering knuckle.
Use a drive socket #13.
Use a ratchet wrench. 20. Disconnect the tie rod end from the steering knuckle.
Use a flat metal-working chisel.
Use a hammer. 21. Unscrew the wheel hub axle nut. 22. Remove the fastening bolt. 23. Support the arm.
Use a hydraulic transmission jack. 24. Remove the drive shaft from the wheel hub. AUTODOC recommends:
Make sure that the drive shaft is not unloaded (when the car is jacked). 25. Clean the wheel hub fastener.
Use a wire brush.
Use WD-40 spray. 26. Unscrew the hub bearing mounting.
Use XZN #12. Use a ratchet wrench.
Use a tap wrench. 27. Remove the wheel hub together with the bearing.
Use the hub slide hammer puller. 28. Grip the wheel hub together with the bearing in a vice. 29. Remove the hub bearing mounting.
Use 3-Arm Gear Puller. 30. Pull the bearing inner race out of the wheel hub.
Use the bearing puller.
Use 3-Arm Gear Puller. 31. Install a new hub bearing and secure it. 32. Release the vice and take out the wheel hub together with the bearing. 33. Press a new bearing into the wheel hub.
Use a bush and bearing driver set. 34. Adjust the wheel bearing. AUTODOC recommends:
Check to make sure the wheel hub bearing is positioned correctly. Avoid its misalignment. Stop pressing on the surface of the bearing immediately after it has been fitted into its mounting seat. 35. Clean the hub bearing mounting seat.
Use a wire brush.
Use WD-40 spray. 36. Install the new wheel hub with a bearing. 37. Tighten the fastener of the wheel hub bearing.
Use XZN #12. Use a torque wrench.
Tighten it to 80 nm torque. AUTODOC recommends:
The wheel bearing unit must not tilt on the axle pin. 38. Remove the support from under the arm. AUTODOC recommends:
Lower the hydraulic transmission jack smoothly, without jerks, to avoid damaging assemblies and mechanisms. 39. Clean the splines of the drive shaft CV joint.
Use a wire brush.
Use WD-40 spray. 40. Mount the drive shaft into the wheel hub. 41. Treat all joints of the arm.
Use copper grease. 42. Clean the ball joint mounting seat.
Use a wire brush.
Use WD-40 spray. 43. Connect the ball joint to the steering knuckle
Use a combination spanner #21. 44. Tighten the ball joint fastener.
Use a combination spanner #21. Use a torque wrench.
Tighten it to 75 Nm torque. 45. Clean the mounting seats of the tie rod end. Use a wire brush.
Use WD-40 spray. 46. Connect the tie rod end to the steering knuckle. 47. Install the fastening bolts. 48. Screw on the fastening nut that connects the tie rod end to the steering knuckle. Use a drive socket #13.
Use a ratchet wrench. 49. Screw on the fastening nut that connects the tie rod end to the steering knuckle.
Use a drive socket #16.
Use a ratchet wrench. 50. Tighten the fastening nut connecting the tie rod end to the steering knuckle.
Use a drive socket #16. Use a torque wrench.
Tighten it to 70 nm torque. 51. Install the brake disc. 52. Tighten the brake disc fastening.
Use Torx T30. Use a torque wrench.
Tighten it to 9 Nm torque. 53. Install the brake caliper bracket 54. Tighten the brake caliper bracket
Use a drive socket #21. Use a torque wrench.
Tighten it to 75 Nm torque. 55. Connect the ABS sensor cable fastener. 56. Connect the brake pads wear sensor. 57. Install the fastening bolt. 58. Screw the wheel hub axle nut.
Use HEX No.H17. 59. Treat the fastener connecting the tie rod end to the steering knuckle. Treat all joints of the arm.
Use copper grease. 60. Treat the surface where the brake disc contacts the wheel rim.
Use copper grease. 61. Clean the brake disk surface.
Use a brake cleaner. AUTODOC recommends:
After applying the spray, wait a few minutes. 62. Screw in the wheel bolts.
Use wheel impact socket #17. AUTODOC recommends:
To avoid injury, hold up the wheel when screwing in the fastening bolts. 63. Lower the car. 64. Tighten the bolt connecting the drive shaft to the wheel hub.
Use HEX No.H17. Use a torque wrench.
Tighten it to 190 nm torque. 65. Tighten the wheel bolts using a criss-cross pattern. Use a torque wrench.
Tighten it to 120 Nm torque. 66. Tighten the brake fluid reservoir cap.

1 thought on “How to replace front wheel bearing / front hub bearing on AUDI A6 2 (C6) [TUTORIAL AUTODOC]”

  1. Flavius Dima says:

    Really helpfull! Thank you!

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