Important!

This replacement procedure can be used for:
AUDI A6 Avant (4G5, 4GD, C7) S6 quattro, AUDI A6 Avant (4G5, 4GD, C7) 2.0 TFSI, AUDI A6 Avant (4G5, 4GD, C7) RS6 quattro, AUDI A6 Avant (4G5, 4GD, C7) S6 quattro, AUDI A6 Avant (4G5, 4GD, C7) RS6 performance 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 – Strut Mount for A6 Avant (4G5, 4GD, C7) and other AUDI models

Top strut mount

        Top strut mount for A6 C7 Avant (4G5, 4GD) Petrol (420 hp)
      
        Top strut mount for A6 C7 Avant (4G5, 4GD) Petrol (180 hp)
      
        Top strut mount for A6 C7 Avant (4G5, 4GD) Petrol (560 hp)
      
        Top strut mount for A6 C7 Avant (4G5, 4GD) Petrol (450 hp)
      
        Top strut mount for A6 C7 Avant (4G5, 4GD) Petrol (605 hp)

Replacement: strut mount – AUDI A6 Avant (4G5, C7, 4GD). List of the tools you'll need:

                        Wire brush
                      
                        WD-40 spray
                      
                        Brake cleaner
                      
                        Copper grease
                      
                        Drive socket # 16
                      
                        Drive socket # 18
                      
                        Combination spanner #16
                      
                        Combination spanner #18
                      
                        Wheel impact socket #17
                      
                        Ratchet wrench
                      
                        Torque wrench
                      
                        Hammer
                      
                        Pin punch
                      
                        Flat chisel
                      
                        Rubber mallet
                      
                        Flat Screwdriver
                      
                        Crow bar
                      
                        Hydraulic transmission jack
                      
                        Hydraulic strut spring compressor
                      
                        Fender cover
                      
                        Wheel chock

Buy tools

Replacement: strut mount – AUDI A6 Avant (4G5, C7, 4GD). AUTODOC recommends:

The replacement procedure is identical for the mounts of the left and right shock struts of the front suspension.
All mounts of the front shock struts should be replaced simultaneously.
Warning! Shut down the engine before starting any work – AUDI A6 Avant (4G5, C7, 4GD).

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.

Replacement: strut mount – AUDI A6 Avant (4G5, C7, 4GD). Tip:
To avoid injury, hold up the wheel when unscrewing the bolts.
Step 5

Remove the wheel.
Step 6

Clean the shock strut fasteners. Use a wire brush. Use WD-40 spray.
Step 7

Unscrew the lower fastener of the shock absorber strut. Use a combination spanner #18. Use a drive socket #18. Use a ratchet wrench.
Step 8

Remove the fastening bolt.
Step 9

Unscrew the upper arm fastenings. Use a combination spanner #16. Use a drive socket #16. Use a ratchet wrench.
Step 10

Remove the fastening bolt.
Step 11

Detach the upper control arm from the steering knuckle. Use a flat metal-working chisel. Use a hammer.
Step 12

Detach the bottom part of the shock strut.
Step 13

Lower the car.

Step 14

Open the bonnet.

Step 15

Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.

Step 16

Remove the cowl grille seal.
Step 17

Remove the wiper cowl grille located on the right side.
Step 18

Remove the protective cap of the shock absorber mount. Use a flat screwdriver.
Step 19

Unscrew the upper fasteners of the shock strut. Use a drive socket #16. Use a ratchet wrench.

AUTODOC recommends:
Important! Hold the suspension strut while unscrewing the fastening bolts. AUDI A6 Avant (4G5, C7, 4GD)
Step 20

Remove the suspension strut.
Step 21

Set the shock absorber strut on the spring compressor tool.

Replacement: strut mount – AUDI A6 Avant (4G5, C7, 4GD). Tip from AUTODOC experts:
Note that when using a spring compressor, spring coils need to be securely gripped, compressing the spring on the opposite sides.Ensure the correct position of the spring in the retainer.Make sure that the spring coils tightly entered the lock handles.
Step 22

Compress the spring.
Step 23

Treat the shock strut rod. Use a wire brush. Use WD-40 spray.
Step 24

Remove the strut piston rod nut. Use a drive socket #18. Use a ratchet wrench.
Step 25

Remove the top strut mount.

Replacement: strut mount – AUDI A6 Avant (4G5, C7, 4GD). Tip from AUTODOC:
Examine the shock absorber dust cap and the bump stop. Replace them if necessary.
Step 26

Install a new top shock strut mount.
Step 27

Tighten the shock strut piston rod nut. Use a drive socket #18. Use a ratchet wrench. Use a torque wrench. Tighten it to 50 Nm torque.

AUTODOC recommends:
Check to make sure the spring is positioned correctly. Avoid its misalignment.
Step 28

Decompress the spring.
Step 29

Remove the assembled shock strut.
Step 30

Install the shock strut into the wheel arch.
Step 31

Secure the upper fasteners of the shock strut.

AUTODOC recommends:
AUDI A6 Avant (4G5, C7, 4GD) – To avoid injury, hold the suspension strut while screwing in the fastening bolts.
Step 32

Tighten the upper fasteners of the shock strut. Use a drive socket #16. Use a torque wrench. Tighten it to 75 Nm torque.
Step 33

Install the protective cap of the shock absorber mount.
Step 34

Install and secure the wiper cowl grille located on the right side.
Step 35

Install the cowl grille seal.
Step 36

Remove the fender protection cover.

Step 37

Close the hood.

Step 38

Raise the front of the car and secure on supports.

Step 39

Attach the bottom part of the shock strut.

Step 40

Attach the upper control arm to the steering knuckle. Use a rubber mallet. Use a flat metal-working chisel. Use a hammer. Use a crowbar.
Step 41

Install the fastening bolt. Use a hammer. Use a pin punch.
Step 42

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 43

Install the fastening bolt.
Step 44

Prop up the steering knuckle. Use a hydraulic transmission jack.
Step 45

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 46

Remove the support from under the steering knuckle.

Replacement: strut mount – AUDI A6 Avant (4G5, C7, 4GD). AUTODOC experts recommend:
Lower the hydraulic transmission jack smoothly, without jerks, to avoid damaging assemblies and mechanisms.
Step 47

Treat the shock strut fasteners. Treat the fasteners connecting the control arm to the steering knuckle. Use copper grease.
Step 48

Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 49

Clean the brake disk surface. Use a brake cleaner.

AUTODOC recommends:
After applying the spray, wait a few minutes.
Step 50

Install the wheel.

Replacement: strut mount – AUDI A6 Avant (4G5, C7, 4GD). AUTODOC recommends:
To avoid injury, hold up the wheel when screwing in the fastening bolts.
Step 51

Screw in the wheel bolts. Use wheel impact socket #17.
Step 52

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 53

Remove the jacks and chocks.

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