Arnott Installation Manuals
P-2496
WABCO OES AIR SUSPENSION COMPRESSOR
FOR AUDI Q7 (AU716)
FOR PORSCHE CAYENNE (TYPE9PA)
FOR VW TOUAREG (PL71)

Congratulations on your purchase of an Arnott® air suspension product. We at Arnott Incorporated are proud to offer a high quality product at the industry’s most competitive pricing. Thank you for your confidence in us and our product.

Proper installation is essential to experience and appreciate the benefits of this system. Please take a moment to review these installation instructions before you begin to install these components on your vehicle. The removal and installation of air suspension products should only be performed by a fully qualified, ASE Certified, professional.

It is equally important to be aware of all necessary safety measures while installing your new Air Suspension System. This includes proper lifting and immobilizing of the vehicle and isolation of any stored energy to prevent personal injury or property damage.

"Engineered to Ride, Built to Last®"

P-2496 WABCO OES Air Suspension Compressor

WARNING: 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.

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 www.arnottinc.com

GENERAL INFORMATION:

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 www.arnottinc.com

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.

CAUTION: 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.

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

WARNING: 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.

AIR SUSPENSION COMPRESSOR REMOVAL

1. Set the steering to straight ahead.

2. Raise the vehicle.

3. Remove protective shroud on the right side to access the compressor. (FIGURE A)

FIGURE A
FIGURE A

4. Remove the two (2) cable ties holding the connector wires. (FIGURE B)

FIGURE B
FIGURE B

5. Disconnect the three (3) electrical connectors to the compressor. (FIGURE C)

FIGURE C
FIGURE C

6. Remove the compressor air line (runs between the compressor and dryer). Remove the air line fitting from the air hose and discard. (FIGURE D)

FIGURE D
FIGURE D

7. Disconnect the lines from the air valve block (black line (p) does not have to be disconnected). (FIGURES E, F)

NOTE:  YOUR COMPRESSOR MAY NOT HAVE A BROWN LINE AS SHOWN IN FIGURE E. IF THE BROWN LINE IS NOT PRESENT, JUST DISCONNECT THE OTHER (4) LINES INDICATED AND PROCEED TO THE NEXT STEP.


FIGURE E
FIGURE E
FIGURE F
FIGURE F

8. Remove the three (3) mounting bolts that secure the compressor to the vehicle. (FIGURE G)

FIGURE G
FIGURE G

9. Disconnect the brown line (located on backside of compressor). Compressor can be removed from the vehicle. (FIGURES H, I)

NOTE:  IF A BROWN LINE IS NOT PRESENT ON YOUR COMPRESSOR THEN THIS STEP CAN BE OMITTED.


FIGURE H
FIGURE H
FIGURE I
FIGURE I

10. Disconnect the line from the compressor dryer (identified as “P” on the air valve block) (does not need to be disconnected at air valve block). (FIGURES J, K)

FIGURE J
FIGURE J
FIGURE K
FIGURE K

11. Remove the 2 nuts from the backside of the mounting bracket, remove bracket. (FIGURE L)

FIGURE L
FIGURE L

12. Remove the thermal sensor wire harness by disconnecting the connector, loosening the sensor screw and removing the sensor. (This will be re-installed in the new compressor). (FIGURES M, N)

FIGURE M
FIGURE M
FIGURE N
FIGURE N

13. Remove the three (3) mounting isolators from the compressor (These will be re-used on the new compressor. If the isolators are damaged it is recommended that they be replaced (Contact your dealer for replacements). (FIGURES O)

FIGURE O
FIGURE O

14. Removal complete.

AIR SUSPENSION COMPRESSOR INSTALLATION

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

WARNING: Do not remove the air fitting from the air suspension compressor. 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. Installation is in reverse order of air suspension compressor removal.


WARNING

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

PLEASE READ ADDITIONAL WARRANTY INFORMATION ON THE BACK OF YOUR INVOICE

Cracked Air Spring
Cracked Air Spring
Cracked Air Spring

PROPER PROCEDURE FOR ASSESSING YOUR AIR SPRINGS CONDITION:

1. Turn off air suspension switch if equipped.

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

3. Raise the vehicle.

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 www.arnottinc.com

P-2496 REV 6 06/05/2018