Recommended replacement interval for the part category Brake Disc : 50000 km

Important!

This replacement procedure can be used for:
AUDI A4 Saloon (8E2, B6) 1.9 TDI, AUDI A4 Avant (8E5, B6) 1.9 TDI

The steps may slightly vary depending on the car design.

How to change front brake discs / front brake rotors on AUDI A4 B6 (8E5) [TUTORIAL AUTODOC]

Replacement: brake discs – Audi A4 B6 Avant. 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

All the parts you need to replace – Brake Discs for A4 Avant (8E5, B6) and other AUDI models

AUDI A4 Saloon (8E2, B6) 1.9 TDI

AUDI A4 Avant (8E5, B6) 1.9 TDI

Replacement: brake discs – Audi A4 B6 Avant. AUTODOC experts recommend:

Replace the brake disks on the car Audi A4 B6 Avant 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 A4 B6 Avant – should be done with the engine switched off.

Carry out replacement in the following order:

Step 1

Open the bonnet.Unscrew the brake fluid reservoir cap.
Step 2

Secure the wheels with chocks.
Step 3

Loosen the wheel mounting bolts.Use wheel impact socket #17.
Step 4

Raise the front of the car and secure on supports.
Step 5

Unscrew the wheel bolts.

Replacement: brake discs – Audi A4 B6 Avant. AUTODOC recommends:

To avoid injury, hold up the wheel when unscrewing the bolts.
Step 6

Remove the wheel.
Step 7

Clean the brake caliper fasteners. Use a wire brush.Use WD-40 spray.
Step 8

Unscrew the brake caliper fastening.Use a combination spanner #13.Use a combination spanner #15.
Step 9

Disconnect the brake pads wear sensor. Use a crowbar.

Please note!

Some cars are not equipped with the brake pad wear sensor.
Step 10

Spread the brake pads.Use a crowbar.
Step 11

Remove the brake caliper.

Replacement: brake discs – Audi A4 B6 Avant. 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.
Step 12

Remove the brake pads.
Step 13

Clean the brake caliper bracket fasteners. Use a wire brush.Use WD-40 spray.
Step 14

Unscrew the caliper bracket fastening.Use a drive socket #21.Use a ratchet wrench.Use a tap wrench.
Step 15

Remove the caliper bracket.
Step 16

Remove the retaining ring.Use a crowbar.
Step 17

Remove the brake disc.
Step 18

Clean the hub.Use a wire brush.Treat the contacting surface.Use copper grease.
Step 19

Install the brake disc.
Step 20

Install the retaining ring.
Step 21

Clean the brake caliper bracket from dirt and dust.Use a wire brush.Use a brake cleaner.

AUTODOC recommends:

Replacement: brake discs – Audi A4 B6 Avant. After applying the spray, wait a few minutes.
Step 22

Install the brake caliper bracket.
Step 23

Tighten the brake caliper bracket.Use a drive socket #21.Use a torque wrench.Tighten it to 75 Nm torque.
Step 24

Treat the brake caliper piston.Use a brake cleaner.

Replacement: brake discs – Audi A4 B6 Avant. Tip:

After applying the spray, wait a few minutes.
Step 25

Press in the brake caliper piston.Use brake caliper wind back tool.
Step 26

Install the brake pads.
Step 27

Install the brake caliper and fix it.Use a combination spanner #13.Use a combination spanner #15.Use a torque wrench.Tighten it to 35 Nm torque.
Step 28

Connect the brake pads wear sensor.
Step 29

Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 30

Clean the brake disk surface.Use a brake cleaner.

AUTODOC recommends:

Replacement: brake discs – Audi A4 B6 Avant. After applying the spray, wait a few minutes.
Step 31

Install the wheel.

Replacement: brake discs – Audi A4 B6 Avant. Tip from AUTODOC:

To avoid injury, hold up the wheel when screwing in the fastening bolts.
Step 32

Screw in the wheel bolts.Use wheel impact socket #17.
Step 33

Lower the car and working in a cross order, tighten the wheel bolts.Use a torque wrench.Tighten it to 120 Nm torque.
Step 34

Remove the jacks and chocks.

Replacement: brake discs – Audi A4 B6 Avant. AUTODOC recommends:

Check the brake fluid level in the expansion tank and refill if necessary.
Step 35

Tighten the brake fluid reservoir cap. Close the hood.

AUTODOC recommends:

Audi A4 B6 Avant – Press the brake pedal several times with the engine shut down until you feel the resistance built up.

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