
Disclaimer
How to change front brake discs on AUDI 100 C4 Avant (4A5) – replacement guide
downloads:
0
Views:
10

Recommended replacement interval for the part category Brake disc : 50000 km
Important!
This replacement procedure can be used for:
AUDI 100 Avant (4A5, C4) 2.6, AUDI 100 Avant (4A5, C4) 2.8 E, AUDI 100 Avant (4A5, C4) 2.6 quattro, AUDI 100 Avant (4A5, C4) 2.8 E quattro, AUDI 100 Avant (4A5, C4) 2.6, AUDI 100 Avant (4A5, C4) 2.6 E quattro … View more
The steps may slightly vary depending on the car design.
AUDI 100 Avant (4A5, C4) 2.6, AUDI 100 Avant (4A5, C4) 2.8 E, AUDI 100 Avant (4A5, C4) 2.6 quattro, AUDI 100 Avant (4A5, C4) 2.8 E quattro, AUDI 100 Avant (4A5, C4) 2.6, AUDI 100 Avant (4A5, C4) 2.6 E 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 100 Avant (4A5, C4) and other AUDI models
Brake disc
Alternative products

Wire brush
Nylon cleaning brush
WD-40 spray
Brake cleaner
Copper grease
Torque wrench
Drive socket # 17
HEX bit No.H7
Wheel impact socket #17
Ratchet wrench
Tap wrench
Brake caliper wind back tool
Crow bar
Wheel chock
AUTODOC recommends:
- Replace the brake disks on the car AUDI 100 Avant (4A, C4) 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 100 Avant (4A, C4) – should be done with the engine switched off.
Carry out replacement in the following order:
- Step 1Open the hood. Unscrew the brake fluid reservoir cap.Step 2Secure the wheels with chocks.Step 3Loosen the wheel mounting bolts. Use wheel impact socket #17.
- Step 4Raise the front of the car and secure on supports.Step 5Unscrew the wheel bolts.AUTODOC recommends:Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. AUDI 100 Avant (4A, C4)
- Step 6Remove the wheel.
- Step 7Spread the brake pads. Use a crowbar.
- Step 8Remove the dust boot caps of the brake caliper guide pins. Use a crowbar.
- Step 9Unscrew the brake caliper fastening. Use HEX No.H7. Use a ratchet wrench.
- Step 10Disconnect the brake pad wear sensor plug.
- Step 11Disconnect the brake pads wear sensor. Use a crowbar.Please note!Some cars are not equipped with the brake pad wear sensor.
- Step 12Detach the brake caliper retaining spring. Use a crowbar.
- Step 13Remove the brake caliper.Replacement: brake discs – AUDI 100 Avant (4A, C4). 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.
- Step 14Remove the brake pads.
- Step 15Clean the brake caliper bracket from dirt and dust. Use a wire brush. Use WD-40 spray.
- Step 16Unscrew the caliper bracket fastening. Use a drive socket #17. Use a tap wrench. Use a ratchet wrench.
- Step 17Remove the caliper bracket.
- Step 18Remove the brake disc.
- Step 19Clean the hub. Use a wire brush. Treat the contacting surface. Use copper grease.
- Step 20Install the brake disc.
- Step 21Clean the brake caliper bracket from dirt and dust. Use a wire brush. Use a brake cleaner.AUTODOC recommends:Replacement: brake discs – AUDI 100 Avant (4A, C4). After applying the spray, wait a few minutes.
- Step 22Install the brake caliper bracket.
Was this manual helpful?
Please rate this manual on a scale from 1 to 5. If you have any questions, feel free to ask us.
Users voted – 0
Need New Tyres?
Find out which tyre and wheel sizes are compatible with the AUDI 100 C4 Avant (4A5) model
Popular maintenance tutorials for Audi 100 C4 Avant
Complete guides for changing the Brake rotors on different AUDI 100 models
Unlock your car maintenance assistant!
Track expenses, manage logs, schedule replacements, and more.
Tips & tricks for your AUDI 100 Avant (4A5, C4)
View more
- 5 Essential Tips to Prepare Your Car for Winter | AUTODOC tips
- How to Fix P0401 ✅ error code Insufficient EGR flow
- How to remove scratches from car plastic | AUTODOC tips
- Easy Steps to Fix Minor Scratches on Your Vehicle | AUTODOC tips
Most commonly replaced car parts on AUDI 100
Time to replace parts? Get even better deals in our Shop app.

SCAN ME