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 (4D2, 4D8) 2.5 TDI quattro, AUDI A8 (4D2, 4D8) 6.0 W12 quattro, AUDI A8 (4D2, 4D8) 4.2 quattro, AUDI A8 (4D2, 4D8) S8 quattro, AUDI A8 (4D2, 4D8) 3.3 TDI quattro, AUDI A8 (4D2, 4D8) 3.7, AUDI A8 (4D2, 4D8) 3.7 quattro, AUDI A8 (4D2, 4D8) 4.2 quattro, AUDI A8 (4D2, 4D8) 2.8 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 (4D2, 4D8) and other AUDI models
Tools
Replacement: brake discs – AUDI A8 (4D2, 4D8). Tools you might need:
Wire brush
WD-40 spray
Brake cleaner
Copper grease
Drive socket # 21
Combination spanner #13
Combination spanner #15
Wheel impact socket #17
Brake caliper wind back tool
Ratchet wrench
Torque wrench
Tap wrench
Crow bar
Wheel chock
Replacement: brake discs – AUDI A8 (4D2, 4D8). AUTODOC experts recommend:
  • Replace the brake disks on the car AUDI A8 (4D2, 4D8) 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.
  • Please note: all work on the car – AUDI A8 (4D2, 4D8) – should be done with the engine switched off.
Carry out replacement in the following order:
  1. Step 1
    How to change Brake Discs on Audi A8 D2 1994 - free PDF and video manuals
    Open the bonnet. Unscrew the brake fluid reservoir cap.
  2. Step 2
    How to replace AUDI A8 (4D2, 4D8) 4.2 quattro 1995 Brake Discs - step-by-step manuals and video guides
    Secure the wheels with chocks.
  3. Step 3
    Audi A8 D2 S8 quattro 1996 Brake Discs replacement: free workshop manuals
    Loosen the wheel mounting bolts. Use wheel impact socket #17.
  4. Step 4
    Raise the front of the car and secure on supports.
    Step 5
    Changing Brake Discs on AUDI A8 (4D2, 4D8) 2.5 TDI 1997 by yourself
    Unscrew the wheel bolts.
    Replacement: brake discs – AUDI A8 (4D2, 4D8). AUTODOC recommends:
    To avoid injury, hold up the wheel when unscrewing the bolts.
  5. Step 6
    How to remove AUDI A8 2.8 quattro 1998 Brake Discs - online easy-to-follow instructions
    Remove the wheel.
  6. Step 7
    How to replace Brake Discs on AUDI A8 (4D2, 4D8) 1999: download PDF manuals and video instructions
    Clean the brake caliper fasteners. Use a wire brush. Use WD-40 spray.
  7. Step 8
    How hard is it to do yourself: Brake Discs replacement on Audi A8 D2 2.8 2000 - download illustrated guide
    Unscrew the brake caliper fastening. Use a combination spanner #13. Use a combination spanner #15.
  8. Step 9
    Need to know how to renew Brake Discs on AUDI A8 2001? This free workshop manual will help you to do it yourself
    Disconnect the brake pads wear sensor. Use a crowbar.
    Please note!
    Some cars are not equipped with the brake pad wear sensor.
  9. Step 10
    Changing of Brake Discs on Audi A8 D2 2002 won't be an issue if you follow this illustrated step-by-step guide
    Spread the brake pads. Use a crowbar.
  10. Step 11
    AUDI A8 4.2 quattro Brake Discs replacement: online guides and video tutorials
    Remove the brake caliper.
    Replacement: brake discs – AUDI A8 (4D2, 4D8). 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 12
    Replacing Brake Discs on Audi A8 D2 1995 4.2 quattro by yourself
    Remove the brake pads.
  12. Step 13
    A8 (4D2, 4D8) 2.8 quattro 1996 Brake Discs DIY replacement workshop manual
    Clean the brake caliper bracket fasteners. Use a wire brush. Use WD-40 spray.
  13. Step 14
    How to change Brake Discs on AUDI A8 (4D2, 4D8) 1997 - tips and tricks
    Unscrew the caliper bracket fastening. Use a drive socket #21. Use a ratchet wrench. Use a tap wrench.
  14. Step 15
    Step-by-step recommendations for DIY replacement Audi A8 D2 1998 2.8 quattro Brake Discs
    Remove the caliper bracket.
  15. Step 16
    DIY replacement of Brake Discs on AUDI A8 (4D2, 4D8) 3.3 TDI quattro 1999 is not an issue anymore with our step-by-step tutorial
    Remove the retaining ring. Use a crowbar.
  16. Step 17
    How to change Brake Discs on Audi A8 D2 1994 - free PDF and video manuals
    Remove the brake disc.
  17. Step 18
    How to replace AUDI A8 (4D2, 4D8) 4.2 quattro 1995 Brake Discs - step-by-step manuals and video guides
    Clean the hub. Use a wire brush. Treat the contacting surface. Use copper grease.
  18. Step 19
    Audi A8 D2 S8 quattro 1996 Brake Discs replacement: free workshop manuals
    Install the brake disc.
  19. Step 20
    Changing Brake Discs on AUDI A8 (4D2, 4D8) 2.5 TDI 1997 by yourself
    Install the retaining ring.
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DIY AUDI A8 (4D2, 4D8) Brake Discs replacement - online guide
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