ARNOTT P-2134 User Manual REV 5

P-2134

WABCO OES AIR SUSPENSION COMPRESSOR

FOR 1997-2004 AUDI A6

FOR 1999-2005 AUDI A6 ALLROAD QUATTRO

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 condence in us

and our product.

Proper installation is essential to experience and appreciate the benets 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 qualied, ASE

Certied, 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™"

WARNING:

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.

The air suspension system is under pressure (up to 10 bar, or 150 lbf/in). Verify pressure has been relieved

KIT CONTAINS:

PARTS LIST

P/N QTY DESCRIPTION

21-4510 1 WABCO OES AIR SUSPENSION COMPRESSOR

21-6953 1 ACCESSORY KIT

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 [e-mail]

1 REV 5 11/14/2013P-2134

P-2134

WABCO OES AIR SUSPENSION COMPRESSOR

FOR 1997-2004 AUDI A6

FOR 1999-2005 AUDI A6 ALLROAD QUATTRO

GENERAL INFORMATION:

Reading this manual signies 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 5oF (-15oC) and above 122oF (50oC).

• Avoid damage to air lines and cables.

• Removal and installation is only to be performed by fully qualied 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 specied

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.

AIR SUSPENSION COMPRESSOR REMOVAL

1. THE COMPRESSOR IS LOCATED IN FRONT OF THE SPARE TIRE WELL UNDERNEATH THE CAR. (FIGURE A)

FIGURE A

2. REMOVE THE PROTECTIVE COVER FROM THE UNDERSIDE OF THE COMPRESSOR VIA THE THREE
MOUNTING STUDS. (FIGURE B)

FIGURE B

2 REV 5 11/14/2013P-2134

P-2134

WABCO OES AIR SUSPENSION COMPRESSOR

FOR 1997-2004 AUDI A6

FOR 1999-2005 AUDI A6 ALLROAD QUATTRO

3. WITH THE THREE (3) NUTS REMOVED, REMOVE THE COVER TO EXPOSE THE COMPRESSOR. (FIGURE C)

FIGURE C

4. THE COMPRESSOR IS HELD ON WITH THREE (3) NUTS, ONE ON EACH ISOLATOR. ISOLATORS WILL BE
REUSED ON THE NEW ASSEMBLY. (FIGURE D)

FIGURE D

5. DISCONNECT THE THREE (3) ELECTRICAL PLUGS, AIR LINE AND INTAKE AIR HOSE FROM THE COMPRESSOR.
ONE PLUG IS ON THE SOLENOID WHILE THE OTHER TWO ARE POSITIONED TO THE RIGHT. REMOVE THE AIR
LINE FITTING FROM THE AIR HOSE AND DISCARD. (FIGURE E)

FIGURE E

3 REV 5 11/14/2013P-2134

P-2134

WABCO OES AIR SUSPENSION COMPRESSOR

FOR 1997-2004 AUDI A6

FOR 1999-2005 AUDI A6 ALLROAD QUATTRO

6. REMOVE THE OLD COMPRESSOR FROM THE CAR. (FIGURE F)

FIGURE F

7. REMOVE THE POWER CORD AND THERMAL SENSOR FROM THE OLD COMPRESSOR. (FIGURE G)

FIGURE G

8. LOOSEN AND REMOVE THE HEAD BOLT OF THE REPLACEMENT COMPRESSOR, AS SHOWN. (FIGURE H)

4 REV 5 11/14/2013P-2134

FIGURE H

P-2134

WABCO OES AIR SUSPENSION COMPRESSOR

FOR 1997-2004 AUDI A6

FOR 1999-2005 AUDI A6 ALLROAD QUATTRO

9. PLACE THE THERMAL SWITCH IN PLACE ON THE NEW COMPRESSOR AND RETIGHTEN HEAD BOLT. (FIGURE I)

FIGURE I

10. STRIP THE ENDS OF THE POWER CORD WIRES AND CRIMP THEM TO THE TERMINATED ENDS. (FIGURE J)

FIGURE J

11. COMPLETED UNIT READY FOR INSTALLATION IN THE REVERSE OF STEPS 6-1. (FIGURE K)

Tighten all nuts and bolts to manufacturer's specications during the installation process.

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

FIGURE K

5 REV 5 11/14/2013P-2134

P-2134

WABCO OES AIR SUSPENSION COMPRESSOR

FOR 1997-2004 AUDI A6

FOR 1999-2005 AUDI A6 ALLROAD QUATTRO

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

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 [e-mail]

6 REV 5 11/14/2013P-2134