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) S4 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 quattro, AUDI A4 Avant (8ED, B7) 2.7 TDi, AUDI A4 Avant (8ED, B7) 2.0 TDI, AUDI A4 Avant (8ED, B7) 2.0 TDI … View more

The steps may slightly vary depending on the car design.

How to change a front suspension lower front arm on AUDI A4 B7 AVANT TUTORIAL | AUTODOC

All the parts you need to replace – Control Arm for A4 Avant (8ED, B7) and other AUDI models

Alternative products

Suspension arm

Replacement: front lower arm – Audi A4 B7 Avant. List of the tools you'll need:

                      Wire brush
                    
                      WD-40 spray
                    
                      Brake cleaner
                    
                      Copper grease
                    
                      Combination spanner #13
                    
                      Combination spanner #16
                    
                      Combination spanner #18
                    
                      Drive socket # 18
                    
                      Wheel impact socket #17
                    
                      Ratchet wrench
                    
                      Torque wrench
                    
                      Hammer
                    
                      Pin punch
                    
                      Crow bar
                    
                      Rubber mallet
                    
                      Ball joint puller
                    
                      Hydraulic transmission jack
                    
                      Wheel chock

Buy tools

Replacement: front lower arm – Audi A4 B7 Avant. AUTODOC recommends:

The replacement procedure is identical for the left and right lower control arms.
All work should be done with the engine stopped.

Replacement: front lower arm – 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: front lower arm – Audi A4 B7 Avant. AUTODOC experts recommend:
To avoid injury, hold up the wheel when unscrewing the bolts.
Step 5

Remove the wheel.
Step 6

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

Step 7

Unscrew the ball joint fastening to the steering knuckle. Use a drive socket #18. Use a ratchet wrench.
Step 8

Disconnect the lower arm from the steering knuckle. Use a ball joint puller.

Step 9

Clean the shock strut fasteners. Use a wire brush. Use WD-40 spray.
Step 10

Unscrew the lower fastener of the shock absorber strut. Use a combination spanner #18. Use a drive socket #18. Use a ratchet wrench.
Step 11

Remove the fastening bolt.
Step 12

Detach the bottom part of the shock strut.
Step 13

Clean the stabiliser link fasteners. Use a wire brush. Use WD-40 spray.
Step 14

Unscrew the fastener connecting the stabilizer bar with the control arm. Use a combination spanner #13. Use a combination spanner #16.
Step 15

Unscrew the fastener connecting the stabilizer link to the stabilizer bar. Use a combination spanner #16.
Step 16

Remove the fastening bolt.

Step 17

Remove the stabilizer rod.

Step 18

Clean the fasteners connecting the control arm to the subframe. Use a wire brush. Use WD-40 spray.

Step 19

Unscrew the arm fastening from the subframe. Use a combination spanner #18 (2 pieces).
Step 20

Remove the fastening bolt.
Step 21

Detach the control arm. Use a crowbar.
Step 22

Remove the fastening nut.

Step 23

Disconnect the lower arm from the steering knuckle.
Step 24

Remove the arm.
Step 25

Clean the mounting seats and the thread of the suspension arm. Use a wire brush. Use WD-40 spray.
Step 26

Install a new arm.

Replacement: front lower arm – Audi A4 B7 Avant. Tip from AUTODOC experts:
During the installation process, use only new bolts and nuts.Do not damage the ball joint cover.
Step 27

Connect the ball joint to the steering knuckle.

Step 28

Install the fastening nut.

Step 29

Attach the control arm. Use a rubber mallet.
Step 30

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

Screw the fastener connecting the control arm to the subframe. Use a combination spanner #18 (2 pieces).
Step 32

Attach the bottom part of the shock strut.
Step 33

Install the fastening bolt.
Step 34

Tighten the ball joint fastener. Use a drive socket #18. Use a torque wrench. Tighten it to 110 Nm torque.
Step 35

Ιnstall the transverse stabilizer link.

Step 36

Install the fastening bolt.

Step 37

Tighten the fastener connecting the stabilizer bar with the control arm. Use a combination spanner #13. Use a combination spanner #16. Use a torque wrench. Tighten it to 40 Nm torque.+90°

AUTODOC recommends:
Important! Be sure to use new fasteners.
Step 38

Tighten the fastener connecting the stabilizer link to the stabilizer bar. Use a combination spanner #16. Use a torque wrench. Tighten it to 40 Nm torque.+90°

AUTODOC recommends:
Important! Be sure to use new fasteners.
Step 39

Prop up the steering knuckle. Use a hydraulic transmission jack.
Step 40

Tighten the lower fastening of the shock absorber. Use a combination spanner #18. Use a drive socket #18. Use a torque wrench. Tighten it to 90 Nm torque.
Step 41

Tighten the arm fastening to the subframe. Use a combination spanner #18 (2 pieces). Use a torque wrench. Tighten it to 70 Nm torque.+180°

AUTODOC recommends:
Important! Be sure to use new fasteners.
Step 42

Remove the support from under the steering knuckle.

AUTODOC recommends:
Replacement: front lower arm – Audi A4 B7 Avant. Lower the transmission jack smoothly, without jerks, to avoid damaging components and mechanisms.
Step 43

Treat the shock strut fasteners. Treat all joints of the stabiliser link. Treat all joints of the arm. Treat the fasteners of the ball joint. Use copper grease.
Step 44

Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 45

Clean the brake disk surface. Use a brake cleaner.

AUTODOC recommends:
Replacement: front lower arm – Audi A4 B7 Avant. After applying the spray, wait a few minutes.
Step 46

Install the wheel.

Replacement: front lower arm – Audi A4 B7 Avant. Tip from AUTODOC:
To avoid injury, hold up the wheel when screwing in the fastening bolts.
Step 47

Screw in the wheel bolts. Use wheel impact socket #17.
Step 48

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 49

Remove the jacks and chocks.

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