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How to change front wheel bearing on Audi A4 B7 Avant – replacement guide

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Important!

This replacement procedure can be used for:
AUDI A4 Avant (8ED, B7) 2.0 TDI quattro, AUDI A4 Avant (8ED, B7) 1.6, AUDI A4 Avant (8ED, B7) 2.0, AUDI A4 Avant (8ED, B7) 1.8 T, AUDI A4 Avant (8ED, B7) 1.8 T quattro, AUDI A4 Avant (8ED, B7) 2.0 TFSI, AUDI A4 Avant (8ED, B7) 2.0 TFSI quattro, 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 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 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 … View more

The steps may slightly vary depending on the car design.

How to change Front wheel bearing on AUDI A4 B7 AVANT TUTORIAL | AUTODOC

Alternative products

Wheel bearing kit

Replacement: wheel bearing – Audi A4 B7 Avant. Tools you need:

                      Wire brush
                    
                      WD-40 spray
                    
                      Brake cleaner 
                    
                      Copper grease 
                    
                      Multipurpose grease
                    
                      Sealant
                    
                      Combination spanner #16
                    
                      Combination spanner #18
                    
                      Drive socket # 13 
                    
                      Drive socket # 16 
                    
                      Drive socket # 18 
                    
                      Drive socket # 21 
                    
                      XZN socket bit # 12 
                    
                      HEX bit No.H17.
                    
                      Torx bit T30
                    
                      Wheel impact socket #17
                    
                      Ratchet wrench
                    
                      Torque wrench
                    
                      Flat Screwdriver
                    
                      Bush and bearing driver set
                    
                      Pin punch
                    
                      Hammer
                    
                      Flat chisel
                    
                      Crow bar
                    
                      Tap wrench
                    
                      Rubber mallet
                    
                      Wheel chock

Buy tools

Replacement: wheel bearing – Audi A4 B7 Avant. AUTODOC experts recommend:

Do not re-use the bearing assembly of your Audi A4 B7 Avant car.
The wheel hub bearing replacement procedure is identical for both wheels on the same axle.
All work should be done with the engine stopped.

Replacement: wheel bearing – Audi A4 B7 Avant. Recommended sequence of steps:

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.

Replacement: wheel bearing – Audi A4 B7 Avant. Tip from AUTODOC:
To avoid injury, hold up the wheel when unscrewing the bolts.
Step 5

Remove the wheel.
Step 6

Disconnect the ABS sensor. Use a flat screwdriver.
Step 7

Disconnect the ABS sensor wiring. Use a flat screwdriver.
Step 8

Detach the ABS sensor connector. Use a flat screwdriver.
Step 9

Disconnect the ABS sensor wiring.
Step 10

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

Step 11

Unscrew the caliper bracket fastening. Use a drive socket #21. Use a ratchet wrench. Use a tap wrench.
Step 12

Remove the fastening bolts (2 pieces).

Step 13

Remove the brake caliper together with its bracket.

Replacement: wheel bearing – Audi A4 B7 Avant. 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 14

Clean the brake disc fasteners. Use a wire brush. Use WD-40 spray.

Step 15

Unscrew the brake disc fastening. Use Torx T30. Use a ratchet wrench.
Step 16

Remove the brake disc.
Step 17

Clean the wheel hub fastener. Use a wire brush. Use WD-40 spray.

Step 18

Unscrew the wheel hub axle nut. Use HEX No.H17. Use a ratchet wrench.
Step 19

Remove the fastening bolt.
Step 20

Clean the fastener that connects the ball joint to the steering knuckle. Use a wire brush. Use WD-40 spray.
Step 21

Unscrew the ball joint fastening to the steering knuckle. Use a combination spanner #18.
Step 22

Disconnect the lower arm from the steering knuckle. Use a crowbar. Use a rubber mallet.
Step 23

Unscrew the ball joint fastening to the steering knuckle. Use a drive socket #18. Use a ratchet wrench.
Step 24

Remove the fastening nut. Use a rubber mallet.

Step 25

Clean the fastener connecting the tie rod end to the steering knuckle. Use a wire brush. Use WD-40 spray.
Step 26.1

Unscrew the end fastening nut to the steering knuckle. Use a drive socket #13.

Step 26.2

Use a drive socket #16. Use a ratchet wrench.
Step 27

Remove the fastening bolt. Use a pin punch. Use a hammer.
Step 28

Disconnect the tie rod end from the steering knuckle. Use a flat metal-working chisel. Use a hammer.
Step 29

Unscrew the upper arm fastenings. Use a combination spanner #16. Use a drive socket #16. Use a ratchet wrench.
Step 30

Remove the fastening bolt. Use a pin punch. Use a hammer.
Step 31

Detach the upper control arm from the steering knuckle. Use a flat metal-working chisel. Use a hammer.
Step 32

Remove the steering knuckle together with the hub. Use a flat screwdriver.
Step 33

Press the wheel hub out from the tapered roller bearing. Use a bush and bearing driver set. Use a hammer.
Step 34

Unscrew the hub bearing fastening to the steering knuckle. Use XZN #12. Use a ratchet wrench.
Step 35

Remove the fastening bolts (4 pieces).

Step 36

Remove the hub bearing mounting. Use a hammer.
Step 37

Clean the hub bearing mounting seat. Use a wire brush. Use WD-40 spray.

Step 38

Apply special grease to the bearing assembly mounting seat. Use a multipurpose grease.
Step 39

Install a new hub bearing and secure it.
Step 40

Treat the fasteners of the wheel hub bearing. Use a sealant.
Step 41

Install the fastening bolts (4 pieces).
Step 42

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

Replacement: wheel bearing – Audi A4 B7 Avant. AUTODOC recommends:
Important! Be sure to use new fasteners.Check to make sure the wheel hub bearing is positioned correctly. Avoid its misalignment.
Step 43

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

Replacement: wheel bearing – Audi A4 B7 Avant. Professionals recommend:
Stop pressing on the surface of the bearing immediately after it has been fitted into its mounting seat.
Step 44

Install the steering knuckle with a hub in assembly.
Step 45

Install the fastening nut.

Step 46

Connect the lower arm to the steering knuckle.
Step 47

Attach the upper control arm to the steering knuckle. Use a rubber mallet.
Step 48

Install the fastening bolt. Use a hammer. Use a pin punch.
Step 49

Tighten the upper arm fastenings. Use a combination spanner #16. Use a drive socket #16. Use a torque wrench. Tighten it to 40 Nm torque.
Step 50

Connect the tie rod end to the steering knuckle. Use a rubber mallet.
Step 51

Install the fastening bolt. Use a hammer. Use a pin punch.
Step 52

Tighten the fastening nut connecting the tie rod end to the steering knuckle. Use a drive socket #13. Use a torque wrench. Tighten it to 7 nm torque.
Step 53

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 54

Install the fastening bolt.
Step 55

Tighten the hub. 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 56

Tighten the ball joint fastener. Use a drive socket #18. Use a torque wrench. Tighten it to 110 Nm torque.
Step 57

Tighten the ball joint fastener. Use a combination spanner #18. Use a torque wrench. Tighten it to 110 Nm torque.
Step 58

Clean the hub. Use a wire brush. Treat the contacting surface. Use copper grease.
Step 59

Install the brake disc.
Step 60

Tighten the brake disc fastening. Use Torx T30. Use a torque wrench. Tighten it to 5 Nm torque.
Step 61

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

Step 62

Install the brake caliper together with its bracket.
Step 63

Treat the fastening bolts. Use a sealant.
Step 64

Install the fastening bolts (2 pieces).

Step 65

Tighten the brake caliper bracket. Use a drive socket #21. Use a torque wrench. Tighten it to 190 Nm torque.
Step 66

Connect the ABS sensor.
Step 67

Connect the ABS sensor wiring.
Step 68

Attach the ABS sensor connector.
Step 69

Connect the ABS sensor wiring. Use a flat screwdriver.
Step 70

Treat the fastener connecting the tie rod end to the steering knuckle. Treat the fasteners of the ball joint. Treat the fasteners connecting the control arm to the steering knuckle. Use copper grease.
Step 71

Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 72

Clean the brake disk surface. Use a brake cleaner.

Replacement: wheel bearing – Audi A4 B7 Avant. Tip:
After applying the spray, wait a few minutes.
Step 73

Install the wheel.

AUTODOC recommends:
Important! Hold the wheel while screwing in the fastening bolts. Audi A4 B7 Avant
Step 74

Screw in the wheel bolts. Use wheel impact socket #17.
Step 75

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 76

Remove the jacks and chocks.

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