When to replace the Brake Discs on your AUDI A4
Recommended replacement interval for the part category Brake disc : 50000 km
Important!
This replacement procedure can be used for:
AUDI A4 B9 Saloon (8W2, 8WC) 1.4 TFSI, AUDI A4 B9 Saloon (8W2, 8WC) 2.0 TFSI, AUDI A4 B9 Saloon (8W2, 8WC) 2.0 TDI, AUDI A4 B9 Saloon (8W2, 8WC) 2.0 TDI quattro, AUDI A4 B9 Saloon (8W2, 8WC) 2.0 TDI, AUDI A4 B9 Saloon (8W2, 8WC) 3.0 TDI, AUDI A4 B9 Saloon (8W2, 8WC) 3.0 TDI quattro, AUDI A4 B9 Saloon (8W2, 8WC) 2.0 TDI, AUDI A4 B9 Saloon (8W2, 8WC) 2.0 TDI, AUDI A4 B9 Saloon (8W2, 8WC) 2.0 TDI quattro, AUDI A4 B9 Saloon (8W2, 8WC) 2.0 TDI quattro, AUDI A4 B9 Saloon (8W2, 8WC) 40 TFSI Mild Hybrid, AUDI A4 B9 Saloon (8W2, 8WC) 35 TFSI Mild Hybrid, AUDI A4 B9 Saloon (8W2, 8WC) 35 TDI, AUDI A4 B9 Saloon (8W2, 8WC) 40 TDI, AUDI A4 B9 Saloon (8W2, 8WC) 40 TDI quattro, AUDI A4 B9 Saloon (8W2, 8WC) 30 TDI, AUDI A4 B9 Saloon (8W2, 8WC) 40 TFSI Mild Hybrid, AUDI A4 B9 Saloon (8W2, 8WC) 40 TFSI Mild Hybrid 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 A4 B9 Saloon (8W2, 8WC) and other AUDI models
Tools
Replacement: brake discs – AUDI A4 (8W2, B9). Tools you might need:
Wire brush
Nylon cleaning brush
WD-40 spray
Brake cleaner
Copper grease
Combination spanner #15
Combination spanner #18
Drive socket # 13
Drive socket # 18
Torx bit T30
Wheel impact socket #17
Ratchet wrench
Torque wrench
Brake caliper wind back tool
Impact screwdriver
Crow bar
Wheel chock
Replacement: brake discs – AUDI A4 (8W2, B9). AUTODOC recommends:
  • Replace the brake disks on the car AUDI A4 (8W2, B9) 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 A4 (8W2, B9). Recommended sequence of steps:
  1. Step 1
    Open the bonnet. Unscrew the brake fluid reservoir cap.
    Step 2
    Put the parking brake system into service mode.
    Step 3
    How to change Brake Discs on Audi A4 B9 Saloon 2015 - free PDF and video manuals
    Secure the wheels with chocks.
  2. Step 4
    How to replace AUDI A4 B9 Saloon (8W2, 8WC) 2.0 TDI 2016 Brake Discs - step-by-step manuals and video guides
    Loosen the wheel mounting bolts. Use wheel impact socket #17.
  3. Step 5
    Raise the rear of the car and secure on supports.
    Step 6
    Audi A4 B9 Saloon 2.0 TDI quattro 2017 Brake Discs replacement: free workshop manuals
    Unscrew the wheel bolts.
    AUTODOC recommends:
    Important! Hold the wheel while unscrewing the fastening bolts. AUDI A4 (8W2, B9)
  4. Step 7
    Changing Brake Discs on AUDI A4 B9 Saloon (8W2, 8WC) 2.0 TFSI 2018 by yourself
    Remove the wheel.
  5. Step 8
    How to remove AUDI A4 3.0 TDI quattro 2019 Brake Discs - online easy-to-follow instructions
    Clean the brake caliper fasteners. Use a wire brush. Use WD-40 spray.
  6. Step 9
    How to replace Brake Discs on AUDI A4 B9 Saloon (8W2, 8WC) 2020: download PDF manuals and video instructions
    Unscrew the brake caliper fastening. Use a combination spanner #15. Use a drive socket #13. Use a ratchet wrench.
  7. Step 10
    How hard is it to do yourself: Brake Discs replacement on Audi A4 B9 Saloon 3.0 TDI 2021 - download illustrated guide
    Spread the brake pads. Use a crowbar.
  8. Step 11
    Need to know how to renew Brake Discs on AUDI A4 2022? This free workshop manual will help you to do it yourself
    Remove the brake caliper.
    Replacement: brake discs – AUDI A4 (8W2, B9). AUTODOC experts recommend:
    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.
  9. Step 12
    Changing of Brake Discs on Audi A4 B9 Saloon 2023 won't be an issue if you follow this illustrated step-by-step guide
    Remove the brake pads.
  10. Step 13
    AUDI A4 2.0 TDI quattro Brake Discs replacement: online guides and video tutorials
    Clean the brake caliper bracket fasteners. Use a wire brush. Use WD-40 spray.
  11. Step 14
    Replacing Brake Discs on Audi A4 B9 Saloon 2015 2.0 TDI by yourself
    Unscrew the caliper bracket fastening. Use a combination spanner #18.
  12. Step 15
    A4 B9 Saloon (8W2, 8WC) 3.0 TDI quattro 2016 Brake Discs DIY replacement workshop manual
    Remove the caliper bracket.
  13. Step 16
    How to change Brake Discs on AUDI A4 B9 Saloon (8W2, 8WC) 2017 - tips and tricks
    Clean the brake disc fasteners. Use a wire brush. Use WD-40 spray.
  14. Step 17
    Step-by-step recommendations for DIY replacement Audi A4 B9 Saloon 2018 3.0 TDI quattro Brake Discs
    Unscrew the brake disc fastening. Use Torx T30. Use an impact screwdriver.
  15. Step 18
    DIY replacement of Brake Discs on AUDI A4 B9 Saloon (8W2, 8WC) 1.4 TFSI 2019 is not an issue anymore with our step-by-step tutorial
    Remove the brake disc.
  16. Step 19
    How to change Brake Discs on Audi A4 B9 Saloon 2015 - free PDF and video manuals
    Clean the hub. Use a wire brush. Treat the contacting surface. Use copper grease.
  17. Step 20
    How to replace AUDI A4 B9 Saloon (8W2, 8WC) 2.0 TDI 2016 Brake Discs - step-by-step manuals and video guides
    Install the brake disc.
  18. Step 21
    Audi A4 B9 Saloon 2.0 TDI quattro 2017 Brake Discs replacement: free workshop manuals
    Tighten the brake disc fastening. Use Torx T30. Use a torque wrench. Tighten it to 5 Nm torque.
  19. Step 22
    Changing Brake Discs on AUDI A4 B9 Saloon (8W2, 8WC) 2.0 TFSI 2018 by yourself
    Remove the retaining springs of the brake pads.
  20. Step 23
    How to remove AUDI A4 3.0 TDI quattro 2019 Brake Discs - online easy-to-follow instructions
    Clean the brake caliper bracket from dirt and dust. Use a wire brush. Use a brake cleaner.
    AUTODOC recommends:
    Replacement: brake discs – AUDI A4 (8W2, B9). After applying the spray, wait a few minutes.
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DIY AUDI A4 B9 Saloon (8W2, 8WC) Brake Discs replacement - online guide
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