Important!

This replacement procedure can be used for:
AUDI A4 Saloon (8EC, B7) 1.8 T, AUDI A4 Saloon (8EC, B7) 1.8 T quattro, AUDI A4 Saloon (8EC, B7) 2.0 TFSI, AUDI A4 Saloon (8EC, B7) 2.0 TFSI quattro, AUDI A4 Saloon (8EC, B7) 3.2 FSI, AUDI A4 Saloon (8EC, B7) 3.2 FSI quattro, AUDI A4 Saloon (8EC, B7) 2.0 TDI, AUDI A4 Saloon (8EC, B7) 2.0 TDI 16V, AUDI A4 Saloon (8EC, B7) 3.0 TDI quattro, AUDI A4 Saloon (8EC, B7) 2.0, AUDI A4 Saloon (8EC, B7) 1.6, AUDI A4 Saloon (8EC, B7) 1.9 TDI, AUDI A4 Saloon (8EC, B7) 2.5 TDI, AUDI A4 Saloon (8EC, B7) RS4 quattro, AUDI A4 Saloon (8EC, B7) 2.0 TFSI, AUDI A4 Saloon (8EC, B7) 2.0 TFSI quattro, AUDI A4 Saloon (8EC, B7) 3.0, AUDI A4 Saloon (8EC, B7) 2.0 TDI quattro, AUDI A4 Saloon (8EC, B7) 2.0 TDI, AUDI A4 Saloon (8EC, B7) 2.0 TDI quattro, AUDI A4 Saloon (8EC, B7) 2.7 TDI, AUDI A4 Saloon (8EC, B7) 3.0 TDI quattro, AUDI A4 Saloon (8EC, B7) 2.0 TDI, AUDI A4 Saloon (8EC, B7) 2.0 TFSI, AUDI A4 Saloon (8EC, B7) 3.0 quattro, AUDI A4 Saloon (8EC, B7) 2.0 TDI, AUDI A4 Saloon (8EC, B7) 2.0 TDI, AUDI A4 Saloon (8EC, B7) 2.0 TDI quattro, AUDI A4 Saloon (8EC, B7) 2.0 TDI, AUDI A4 Saloon (8EC, B7) 2.7 TDI, AUDI A4 Avant (8ED, B7) 1.8 T, AUDI A4 Avant (8ED, B7) 1.8 T quattro, AUDI A4 Avant (8ED, B7) 1.6, AUDI A4 Avant (8ED, B7) 2.0, AUDI A4 Avant (8ED, B7) 2.0 TFSI, AUDI A4 Avant (8ED, B7) 3.2 FSI, AUDI A4 Avant (8ED, B7) 3.2 FSI quattro, AUDI A4 Avant (8ED, B7) 1.9 TDI, AUDI A4 Avant (8ED, B7) 2.0 TDI 16V, AUDI A4 Avant (8ED, B7) 2.5 TDI, AUDI A4 Avant (8ED, B7) 3.0 TDI quattro, AUDI A4 Avant (8ED, B7) RS4 quattro, AUDI A4 Avant (8ED, B7) 2.0 TDI quattro, AUDI A4 Avant (8ED, B7) 2.0 TFSI, AUDI A4 Avant (8ED, B7) 2.0 TFSI quattro, AUDI A4 Avant (8ED, B7) 2.0 TDI, AUDI A4 Avant (8ED, B7) 2.0 TDI quattro, AUDI A4 Avant (8ED, B7) 2.7 TDI, AUDI A4 Avant (8ED, B7) 2.0 TDI, AUDI A4 Avant (8ED, B7) 3.0 TDI quattro, AUDI A4 Avant (8ED, B7) 2.0 TDI, AUDI A4 Avant (8ED, B7) 2.0 TFSI, AUDI A4 Avant (8ED, B7) 3.0 quattro, AUDI A4 Avant (8ED, B7) 3.0, AUDI A4 Avant (8ED, B7) 2.0 TDI, AUDI A4 Avant (8ED, B7) 2.0 TDI, AUDI A4 Avant (8ED, B7) 2.0 TDI quattro, AUDI A4 Avant (8ED, B7) 2.7 TDi, AUDI A4 Avant (8ED, B7) 2.0 TDI, AUDI A4 Convertible (8H7, B6, 8HE, B7) 1.8 T quattro, AUDI A4 Convertible (8H7, B6, 8HE, B7) 2.4, AUDI A4 Convertible (8H7, B6, 8HE, B7) 2.4, AUDI A4 Convertible (8H7, B6, 8HE, B7) 2.5 TDI, AUDI A4 Convertible (8H7, B6, 8HE, B7) 1.8 T, AUDI A4 Convertible (8H7, B6, 8HE, B7) 3.2 FSI, AUDI A4 Convertible (8H7, B6, 8HE, B7) 2.0 TDI, AUDI A4 Convertible (8H7, B6, 8HE, B7) 3.0 TDI quattro, AUDI A4 Convertible (8H7, B6, 8HE, B7) 2.0 TFSI 16V, AUDI A4 Convertible (8H7, B6, 8HE, B7) 2.7 TDI, AUDI A4 Convertible (8H7, B6, 8HE, B7) RS4 quattro, AUDI A4 Convertible (8H7, B6, 8HE, B7) 3.0 TDI quattro, AUDI A4 Convertible (8H7, B6, 8HE, B7) 2.0 TDI, AUDI A4 Avant (8E5, B6) 1.8 T, AUDI A6 Avant (4B5, C5) 1.8, AUDI A6 Avant (4B5, C5) 1.8 T, AUDI A6 Avant (4B5, C5) 1.8 T quattro, AUDI A6 Avant (4B5, C5) 2.4, AUDI A6 Avant (4B5, C5) 4.2 quattro, AUDI A6 Avant (4B5, C5) 2.5 TDI, AUDI A6 Avant (4B5, C5) 1.8, AUDI A6 Avant (4B5, C5) 2.0, AUDI A6 Avant (4B5, C5) 2.4, AUDI A6 Avant (4B5, C5) 2.4 quattro, AUDI A6 Avant (4B5, C5) 2.5 TDI, AUDI A6 Avant (4B5, C5) 2.7 T quattro, AUDI A6 Avant (4B5, C5) 3.0, AUDI A6 Avant (4B5, C5) 3.0 quattro, AUDI A6 Avant (4B5, C5) 1.9 TDI, AUDI A6 Avant (4B5, C5) RS6 quattro, AUDI A6 Avant (4B5, C5) RS6 plus quattro, AUDI A6 Saloon (4B2, C5) 1.8 T quattro, AUDI A6 Saloon (4B2, C5) 1.8, AUDI A6 Saloon (4B2, C5) 2.4, AUDI A6 Saloon (4B2, C5) S6 quattro, AUDI A6 Saloon (4B2, C5) 2.5 TDI, AUDI A6 Saloon (4B2, C5) 1.8, AUDI A6 Saloon (4B2, C5) 2.0, AUDI A6 Saloon (4B2, C5) 3.0, AUDI A6 Saloon (4B2, C5) 3.0 quattro, AUDI A6 Saloon (4B2, C5) 2.4, AUDI A6 Saloon (4B2, C5) 2.4 quattro, AUDI A6 Saloon (4B2, C5) 2.5 TDI, AUDI A6 Saloon (4B2, C5) 2.7 T quattro, AUDI A6 Saloon (4B2, C5) 1.9 TDI, AUDI A6 Saloon (4B2, C5) RS6 quattro, AUDI A4 Avant (8D5, B5) RS4 quattro, AUDI A8 (4D2, 4D8) 4.2 quattro, AUDI A8 (4D2, 4D8) 3.7, AUDI A8 (4D2, 4D8) 3.7 quattro, AUDI A8 (4D2, 4D8) S8 quattro, AUDI A8 (4D2, 4D8) 4.2 quattro, AUDI A8 (4D2, 4D8) 3.7 quattro, AUDI A8 (4D2, 4D8) 3.7, AUDI A8 (4D2, 4D8) 3.3 TDI quattro, AUDI A8 (4D2, 4D8) S8 quattro, AUDI A8 (4D2, 4D8) 4.2 quattro, AUDI A8 (4D2, 4D8) 2.5 TDI quattro … View more

The steps may slightly vary depending on the car design.

How to change front wheel bearing on AUDI A4 B6 TUTORIAL | AUTODOC

All the parts you need to replace – Wheel Bearing for A4 Saloon (8E2, B6) and other AUDI models

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Replacement: wheel bearing – Audi A4 B6. Tools you might need:

                      Wire brush
                    
                      WD-40 spray
                    
                      Brake cleaner 
                    
                      Copper grease 
                    
                      Combination spanner #16
                    
                      Combination spanner #18
                    
                      Combination spanner #21
                    
                      Drive socket # 10 
                    
                      Drive socket # 13 
                    
                      Drive socket # 16 
                    
                      Drive socket # 18 
                    
                      Drive socket # 21 
                    
                      XZN socket bit # 12 
                    
                      HEX bit No.H17.
                    
                      Wheel impact socket #17
                    
                      Ratchet wrench
                    
                      Torque wrench
                    
                      Bush and bearing driver set
                    
                      Pin punch
                    
                      Hammer
                    
                      Flat chisel
                    
                      Crow bar
                    
                      Wheel chock

Buy tools

AUTODOC recommends:

Do not re-use the bearing assembly of your Audi A4 B6 car.
The wheel hub bearing replacement procedure is identical for both wheels on the same axle.
Please note: all work on the car – Audi A4 B6 – should be done with the engine switched off.

Carry out replacement in the following order:

Step 1

Secure the wheels with chocks.
Step 2

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

Step 3

Raise the front of the car and secure on supports.
Step 4

Unscrew the wheel bolts.

AUTODOC recommends:
Important! Hold the wheel while unscrewing the fastening bolts. Audi A4 B6
Step 5

Remove the wheel.
Step 6

Clean the brake caliper bracket fasteners. Use a wire brush. Use WD-40 spray.
Step 7

Unscrew the caliper bracket fastening. Use a drive socket #21. Use a ratchet wrench.
Step 8

Remove the brake caliper together with its bracket.

Replacement: wheel bearing – Audi A4 B6. 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 9

Remove the brake disc.
Step 10

Clean the fastener of the driveshaft. Use a wire brush. Use WD-40 spray.

Step 11

Loosen the fastener of the driveshaft. Use HEX No.H17. Use a ratchet wrench.
Step 12

Clean the fastener that connects the ball joint to the steering knuckle. Use a wire brush. Use WD-40 spray.

Step 13

Unscrew the ball joint fastening to the steering knuckle. Use a drive socket #18. Use a combination spanner #18. Use a ratchet wrench.
Step 14

Disconnect the lower arm from the steering knuckle. Use a hammer. Use a crowbar.
Step 15

Loosen the tie rod end fastening bolt. Use a drive socket #13. Use a ratchet wrench.
Step 16

Unscrew the end fastening nut to the steering knuckle. Use a drive socket #16. Use a ratchet wrench.
Step 17

Remove the fastening bolt. Use a pin punch. Use a hammer.
Step 18

Disconnect the tie rod end from the steering knuckle. Use a flat metal-working chisel. Use a hammer.
Step 19

Unscrew the upper arm fastenings. Use a combination spanner #16. Use a drive socket #16. Use a ratchet wrench.
Step 20

Detach the upper control arm from the steering knuckle. Use a flat metal-working chisel. Use a hammer.
Step 21

Unscrew the ABS sensor fastening from the steering knuckle. Use a drive socket #10. Use a ratchet wrench.
Step 22

Remove the ABS sensor from the steering knuckle.
Step 23

Remove the steering knuckle together with the hub.
Step 24

Press the wheel hub out from the tapered roller bearing. Use a bush and bearing driver set. Use a hammer.
Step 25

Unscrew the hub bearing fastening to the steering knuckle. Use XZN #12. Use a ratchet wrench.
Step 26

Press out the wheel hub bearing. Use a hammer.

AUTODOC recommends:
Apply special grease to the bearing assembly mounting seat.
Step 27

Press the new bearing in the steering knuckle. Use a hammer.
Step 28

Tighten the wheel hub bolts. Use XZN #12. Use a torque wrench. Tighten it to 80 Nm torque.+90°

Replacement: wheel bearing – Audi A4 B6. AUTODOC recommends:
Important! Be sure to use new fasteners.Check to make sure the wheel hub bearing is positioned correctly. Avoid its misalignment.
Step 29

Press the wheel hub into the bearing inner race. Use a bush and bearing driver set.

Replacement: wheel bearing – Audi A4 B6. Tip:
Stop pressing on the surface of the bearing immediately after it has been fitted into its mounting seat.
Step 30

Install the steering knuckle with a hub in assembly.
Step 31

Connect the lower arm to the steering knuckle.
Step 32

Screw the wheel hub axle nut.
Step 33

Attach the upper control arm to the steering knuckle. Use a hammer.

Step 34

Tighten the upper arm fastenings. Use a combination spanner #16. Use a drive socket #16. Use a torque wrench. Tighten it to 45 Nm torque.
Step 35

Clean the ball joint mounting seat. Use a wire brush. Use WD-40 spray.

Step 36

Screw the fasteners of the ball joint. Use a drive socket #18. Use a ratchet wrench.
Step 37

Connect the tie rod end to the steering knuckle. Use a hammer.
Step 38

Install the fastening bolt.
Step 39

Tighten the fastening nut connecting the tie rod end to the steering knuckle. Use a drive socket #16. Use a torque wrench. Tighten it to 45 nm torque.
Step 40

Tighten the tie rod end fastening bolt. Use a drive socket #13. Use a torque wrench. Tighten it to 7 nm torque.
Step 41

Tighten the ball joint fastener. Use a drive socket #18. Use a torque wrench. Tighten it to 120 Nm torque.

Step 42

Install the brake disc.
Step 43

Clean the mounting seats of the caliper and its bracket. Use a wire brush. Use WD-40 spray.

Step 44

Install the brake caliper together with its bracket.
Step 45

Tighten the brake caliper bracket. Use a drive socket #21. Use a torque wrench. Tighten it to 190 Nm torque.
Step 46

Connect the ABS sensor to the steering knuckle.
Step 47

Screw in the fastener that connects the ABS sensor to the rear knuckle. Use a drive socket #10. Use a ratchet wrench.
Step 48

Tighten the drive shaft nut. Use HEX No.H17. Use a torque wrench. Tighten it to 115 Nm torque.+180°

AUTODOC recommends:
Important! Be sure to use new fasteners.
Step 49

Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 50

Clean the brake disk surface. Use a brake cleaner.

AUTODOC recommends:
Replacement: wheel bearing – Audi A4 B6. After applying the spray, wait a few minutes.
Step 51

Install the wheel.

AUTODOC recommends:
Important! Hold the wheel while screwing in the fastening bolts. Audi A4 B6
Step 52

Screw in the wheel bolts. Use wheel impact socket #17.
Step 53

Lower the car and working in a cross order, tighten the wheel bolts. Use wheel impact socket #17. Use a torque wrench. Tighten it to 120 nm torque.

Step 54

Remove the jacks and chocks.

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