The air suspension system is under pressure (up to 10 bar, or 150 lbf/in). Verify pressure has been relieved and disconnect power to the air suspension system prior to disassembly. Do not allow dirt or grease to enter the system. Always wear standard hand, ear, and eye protection when servicing the air suspension system.

Reading this manual signifies your agreement to the terms of the general release, waiver of liability, and hold harmless agreement, the full text of which is available at

Not to be stored below 5°F (-15°C) or above 122°F (50°C). Avoid damage to air lines and cables. Removal and installation is only to be performed by fully qualified personnel. Use car manufacturer’s diagnostic software.

Damage to the vehicle and air suspension system can be incurred if work is carried out in a manner other than specified in the instructions or in a different sequence.

To avoid the possibility of short circuits while working with electric components consult your owner's manual on how to disconnect your battery.

Consult your vehicle owner's manual, service manual, or car dealer for the correct jacking points on your vehicle and for additional care, safety and maintenance instructions. Under no circumstances should any work be completed underneath the vehicle if it is not adequately supported, as serious injuries and death can occur.

3. Remove wheel well liner and bottom front skid plate to expose the vehicles air suspension compressor. (FIGURES 2, 3)

4. Locate the larger rubber hose leading to the compressor. Pinch and slide the hose clamp off of the air hose fitting and remove the air hose. (FIGURES 4, 5)

5. Locate and disconnect the three (3) electrical connectors from the compressor. (FIGURES 6, 7, 8)

6. Locate and remove the mounting nuts and hardware to remove the compressor from the vehicle. (FIGURES 9, 10, 11)

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

Do not remove the air fitting from the air spring. Doing so may cause damage and/or void warranty. Remove the white shipping pin from the new air fitting and insert the air line until fully seated.

1. Install the three washers onto the compressor as show below. (FIGURE 12)

3. Install the spring washers onto the compressor mounting studs. (FIGURES 14, 15)

4. Install the nuts onto the spring washers and tighten to manufacturer’s specifications. (FIGURE 16, 17)

5. Connect the air hose and reinstall the air hose clamp. (FIGURES 18, 19)

6. Reconnect the three electrical connectors to the compressor. (FIGURES 20, 21, 22)

7. Install the air line fittings and torque to 2 N.M. install the air line between the compressor and valve block, as indicated in Step 8. (FIGURES 23, 24, 25)

8. Remove the plastic pin and insert the air line into the VOSS fitting. Gently pull outward to ensure a secure connection. (FIGURES 26, 27, 28, 29)

CRACKED AIR SPRINGS MUST BE CHANGED TO VALIDATE THE WARRANTY ON THE COMPRESSOR

PLEASE READ ADDITIONAL WARRANTY INFORMATION ON THE BACK OF YOUR INVOICE

2. Refer to owner’s manual for proper lifting techniques and jacking points.

4. Inspect air springs for any type of cracks or excessive wear. Cracks in air springs are evident if they are leaking. This will cause the compressor to overheat from continuous operation.

Arnott® is committed to the quality of its products. If you have a question or problem with any Arnott product, please contact Arnott by calling 800-251-8993 during normal business hours or email