When to replace the Brake Discs on your AUDI A8
Recommended replacement interval for the part category Brake disc : 50000 km
Important!
This replacement procedure can be used for:
AUDI A8 (4E2, 4E8) 4.2 quattro, AUDI A8 (4E2, 4E8) 3.7 quattro, AUDI A8 (4E2, 4E8) 4.0 TDI quattro, AUDI A8 (4E2, 4E8) 3.0, AUDI A8 (4E2, 4E8) 6.0 W12 quattro, AUDI A8 (4E2, 4E8) 3.0 TDI quattro, AUDI A8 (4E2, 4E8) 3.2 FSI, AUDI A8 (4E2, 4E8) 3.2 FSI quattro, AUDI A8 (4E2, 4E8) 4.2 TDI quattro, AUDI A8 (4E2, 4E8) 3.0, AUDI A8 (4E2, 4E8) 3.0 TDI quattro, AUDI A8 (4E2, 4E8) 4.2 TDI quattro, AUDI A8 (4E2, 4E8) 4.2 FSI quattro, AUDI A8 (4E2, 4E8) 3.0 quattro View more

The steps may slightly vary depending on the car design.

This video shows the replacement procedure of a similar car part on another vehicle

All the parts you need to replace – Brake Discs for A8 (4E2, 4E8) and other AUDI models
Tools
Replacement: brake discs – AUDI A8 (4E_). Tools you might need:
Wire brush
Brake cleaner
Copper grease
Torx bit T30
HEX bit no.H7.
Drive socket # 21
Wheel impact socket #17
Brake caliper wind back tool
Ratchet wrench
Torque wrench
Tap wrench
Crow bar
Wheel chock
Replacement: brake discs – AUDI A8 (4E_). AUTODOC recommends:
  • Replace the brake disks on the car AUDI A8 (4E_) in complete set for each axis. Regardless of the state of components. This will ensure even braking.
  • The replacement procedure is identical for both brake disks on the same axle.
  • When changing the brake discs, always replace the brake pads.
  • All work should be done with the engine stopped.
Replacement: brake discs – AUDI A8 (4E_). Recommended sequence of steps:
  1. Step 1
    Open the bonnet. Unscrew the brake fluid reservoir cap.
    Step 2
    How to change Brake Discs on Audi A8 D3 2002 - free PDF and video manuals
    Secure the wheels with chocks.
  2. Step 3
    How to replace AUDI A8 (4E2, 4E8) 3.0 TDI quattro 2003 Brake Discs - step-by-step manuals and video guides
    Loosen the wheel mounting bolts. Use wheel impact socket #17.
  3. Step 4
    Raise the front of the car and secure on supports.
    Step 5
    Audi A8 D3 4.2 quattro 2004 Brake Discs replacement: free workshop manuals
    Unscrew the wheel bolts.
    AUTODOC recommends:
    Important! Hold the wheel while unscrewing the fastening bolts. AUDI A8 (4E_)
  4. Step 6
    Changing Brake Discs on AUDI A8 (4E2, 4E8) 4.0 TDI quattro 2005 by yourself
    Remove the wheel.
  5. Step 7
    How to remove AUDI A8 S8 5.2 quattro 2006 Brake Discs - online easy-to-follow instructions
    Disconnect the brake pads wear sensor. Use a crowbar.
    Please note!
    Some cars are not equipped with the brake pad wear sensor.
  6. Step 8
    How to replace Brake Discs on AUDI A8 (4E2, 4E8) 2007: download PDF manuals and video instructions
    Spread the brake pads. Use a crowbar.
  7. Step 9
    How hard is it to do yourself: Brake Discs replacement on Audi A8 D3 6.0 W12 quattro 2008 - download illustrated guide
    Remove the dust boot caps of the brake caliper guide pins. Use a crowbar.
  8. Step 10
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    Unscrew the brake caliper fastening. Use HEX No.H7. Use a ratchet wrench.
  9. Step 11
    Changing of Brake Discs on Audi A8 D3 2010 won't be an issue if you follow this illustrated step-by-step guide
    Detach the brake caliper retaining spring. Use a crowbar.
  10. Step 12
    AUDI A8 3.2 FSI quattro Brake Discs replacement: online guides and video tutorials
    Remove the brake caliper.
    Replacement: brake discs – AUDI A8 (4E_). Tip from AUTODOC experts:
    Tie the caliper to the suspension or to the body with a wire without disconnecting from the brake hose to prevent depressurization of the brake system.Make sure that the brake caliper is not hanging on the brake hose.Don't press the brake pedal after the brake caliper has been removed. As a result, the piston can fall out from the brake cylinder, and brake fluid leakage and depressurization of the system may occur. Check the brake caliper bracket, brake caliper guide pins and boots. Clean them. Replace, if necessary.
  11. Step 13
    Replacing Brake Discs on Audi A8 D3 2003 3.0 TDI quattro by yourself
    Remove the brake pads.
  12. Step 14
    A8 (4E2, 4E8) S8 5.2 quattro 2004 Brake Discs DIY replacement workshop manual
    Unscrew the caliper bracket fastening. Use a drive socket #21. Use a ratchet wrench. Use a tap wrench.
  13. Step 15
    How to change Brake Discs on AUDI A8 (4E2, 4E8) 2005 - tips and tricks
    Remove the caliper bracket.
  14. Step 16
    Step-by-step recommendations for DIY replacement Audi A8 D3 2006 S8 5.2 quattro Brake Discs
    Unscrew the brake disc fastening. Use Torx T30. Use a ratchet wrench.
  15. Step 17
    Remove the brake disc.
    Step 18
    DIY replacement of Brake Discs on AUDI A8 (4E2, 4E8) 4.2 TDI quattro 2007 is not an issue anymore with our step-by-step tutorial
    Clean the hub. Use a wire brush. Treat the contacting surface. Use copper grease.
  16. Step 19
    How to change Brake Discs on Audi A8 D3 2002 - free PDF and video manuals
    Install the brake disc.
  17. Step 20
    How to replace AUDI A8 (4E2, 4E8) 3.0 TDI quattro 2003 Brake Discs - step-by-step manuals and video guides
    Tighten the brake disc fastening. Use Torx T30. Use a torque wrench. Tighten it to 5 Nm torque.
  18. Step 21
    Audi A8 D3 4.2 quattro 2004 Brake Discs replacement: free workshop manuals
    Clean the brake caliper bracket from dirt and dust. Use a wire brush. Use a brake cleaner.
    AUTODOC recommends:
    Replacement: brake discs – AUDI A8 (4E_). After applying the spray, wait a few minutes.
  19. Step 22
    Changing Brake Discs on AUDI A8 (4E2, 4E8) 4.0 TDI quattro 2005 by yourself
    Install the brake caliper bracket.
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DIY AUDI A8 (4E2, 4E8) Brake Discs replacement - online guide
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