0 C-3540 Arnott New Coil Spring Conversion Kit Audi A8 (D3)

Front Air Strut Removal

1 Set the steering to straight ahead.

2 Safely raise the vehicle according to the manufacturer’s instructions.

3 Deflate and disable the air suspension system according to the manufacturer’s instructions.

4 Remove the front wheels. (Figure 1)

5 Disconnect the air line from the check valve. (Figure 2)

6 Loosen and remove the upper control arm bolt. Remove upper arms from spindle assembly. (Figures 3, 4)

7 Disconnect the ride height sensor arm. (Figure 5)

8 Loosen and remove the lower shock arm bolts. (Figure 6)

9 Raise the hood and remove applicable trim paneling to gain access to the front shock towers.

10 Locate and remove wire harness from mounting bracket. (Figure 7)

11 Disconnect the electrical connection. (Figure 8)

12 Loosen and remove the three upper shock mounting bolts. (Figure 9)

13 From the bottom side, slide the shock over the lower control arm. Slowly remove the shock while carefully guiding the wire through the hole at the top mount. Figures 10, 11)

14 Loosen and remove (4) top mounting bolts from the strut. (Figure 12)

15 Remove the upper control arm bracket . (Figure 13)

16 Front strut removal complete.

Front Coilvoer Strut Installation

Tighten all nuts and bolts to the manufacturer’s specifications during the installation process.

1 Install the upper control arm bracket to the top of the new Arnott strut. (Figure 14)

2 Install the strut into the vehicle. (Figure 15)

3 Reinstall the lower strut mount bolt. (Figure 16)

4 Reconnect the ride height sensor arm. (Figure 17)

5 Reconnect the spindle to the upper control arms. (Figure 18)

6 Using an appropriate jack, lift the wheel hub to seat the upper control arm bracket into the strut tower. Ensure the top is fully seated and install the three bolts. (Figure 19)

7 Tighten all hardware to manufacturer’s specifications.

8 Seal and secure the unused air lines and connectors.

9 Reinstall the wheels.

10 Installation complete.

Rear Air Strut Removal

1 Ensure the vehicle is properly raised according to the manufacturer’s instructions.

2 Ensure the air suspension is deflated and deactivated according to the manufacturer’s instructions.

3 Remove the rear wheels. (Figure 20)

4 Remove fender well cover to access the rear strut. (Figures 21, 22)

5 Disconnect the electrical connector. (Figures 23, 24)

6 Disconnect air line from check valve. (Figures 25, 26)

7 Remove the two (2) nuts securing reservoir brackets to the vehicle. (Figure 27)

8 Remove the three (3) top mounting bolts securing the strut to the vehicle. (Figure 28)

9 Remove bottom strut bolt. (Figure 29)

10 Disconnect the brake line bracket and ride height sensor. (Figures 30, 31)

11 Remove sway bar bolt. (Figures 32, 33)

12 Using a breaker bar for leverage, lift strut up and over the upper control arm. (Figure 34)

13 Remove strut from vehicle. (Figure 35)

14 Rear strut removal complete.

Rear Coilover Strut Installation

Tighten all nuts and bolts to the manufacturer’s specifications during the installation process.

1 Install the new Arnott strut into the vehicle. (Figure 36)

2 Install the three (3) top mounting bolts. (Figures 37, 38)

3 Install the lower strut bolt. (Figure 39)

4 Reconnect the brake line bracket to the lower control arm. (Figure 40)

5 Reconnect the sway bar link. (Figure 41)

6 Reconnect the ride height sensor arm. (Figure 42)

7 Tighten all hardware to manufacturer’s specifications.

8 Seal and secure the unused air lines and connectors.

9 Reinstall the wheels.

10 Rear strut installation complete.

Electronic Bypass Module (EBM) Installation

Follow manufacturer's instructions to disable airbags prior ro performing these steps.

1 Remove the glove box and applicable trim from the passenger side dashboard. (Figure 43)

2 Disconnect the two harnesses from the level control module. (Figures 44, 45)

3 According to the table below, splice the EBM harness wires to harness A (the longer harness) using the four (4) supplied heat-shrink butt connectors. (Figure 46, 47)

EBM HARNESS FROM TO CONNECTOR # PIN # VEHICLE'S WIRING HARNESS Red Black/Yellow Strip A A3 Black Brown A A1/A2 Blue Orange/Black Wire A A61 Green Orange/Brown Wire A A81

FIGURE 46

4 Connect the EBM to the EBM harness. (Figure 48)

5 Secure the EBM in a suitable location, away from friction or pinch points.

Do not plug the suspension control modules back in. They remain unplugged. There should be no suspension error lights present in the instrument cluster.

6 Reinstall glove box and trim.

7 Installation complete.