Arnott AS-2856 User manual

1REV 1 05/31/2018
AS-2856
AS-2856
ARNOTT
REAR AIR STRUT
LEXUS LS460 (XF40)
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.
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.
"Engineered to Ride, Built to Last®"
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].
(In the EU please call [phone] or email [e-mail])

2REV 1 05/31/2018
AS-2856
AS-2856
ARNOTT
REAR AIR STRUT
LEXUS LS460 (XF40)
AIR STRUT REMOVAL
1. SET STEERING TO STRAIGHT AHEAD.
2. RAISE VEHICLE.
3. REMOVE APPLICABLE REAR WHEEL.
4. FOLLOWING THE VEHICLE'S FACTORY SERVICE PROCEDURES, REMOVE THE BACK SEATS. (FIGURE 1)
FIGURE 1
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) or 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
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.

3REV 1 05/31/2018
AS-2856
AS-2856
ARNOTT
REAR AIR STRUT
LEXUS LS460 (XF40)
5. LIFT UPTHE REAR DECK PANELTO EXPOSETHETOP CAP. LOOSEN AND REMOVETHETHREETOP
CAP NUTS. (FIGURE 2)
FIGURE 2
6. REMOVETHETOP CAP. (FIGURE 3)
FIGURE 3
7. ROTATE AND REMOVETHETOP CAP SENSOR. (FIGURE 4)
FIGURE 4

4REV 1 05/31/2018
AS-2856
AS-2856
ARNOTT
REAR AIR STRUT
LEXUS LS460 (XF40)
8. LOOSEN AND REMOVE THE THREE TOP MOUNTING NUTS FROM THE SHOCK. (FIGURE 5, 6)
9. REMOVE THE AIR LINE. TO DO THIS, PUSH THE TABS INWARD AND TWIST UNTIL THE CLIP
ALIGNS WITH THE HOLES IN THE FITTING, ALLOWING THE AIR LINE TO BE REMOVED.
(FIGURES 7, 8, 9)
FIGURE 9
FIGURE 7 FIGURE 8
FIGURE 5 FIGURE 6

5REV 1 05/31/2018
AS-2856
AS-2856
ARNOTT
REAR AIR STRUT
LEXUS LS460 (XF40)
10. LOOSEN AND REMOVETHE SWAY BAR END LINK NUT AND SEPERATE. (FIGURES 10, 11)
FIGURE 10 FIGURE 11
11. LOOSEN AND REMOVETHE BOTTOM MOUNT NUT AND BOLT. (FIGURE 12)
FIGURE 12
12. REMOVETHE SHOCK FROMTHE VEHICLE. (FIGURE 13)
FIGURE 13
13. REMOVAL COMPLETE.

6REV 1 05/31/2018
AS-2856
AS-2856
ARNOTT
REAR AIR STRUT
LEXUS LS460 (XF40)
AIR STRUT INSTALLATION
1. INSTALL THE NEW AIR SHOCK INTO THE VEHICLE WITH THE AIR FITTING POINTED TOWARDS
THE WHEEL. (FIGURE 1)
Tighten all nuts and bolts to manufacturer's specications during the installation process.
FIGURE 1
2. REINSTALL THE BOTTOM MOUNT NUT AND BOLT AND TIGHTENTO MANUFACTURER'S
SPECIFICATIONS. (FIGURE 12)
FIGURE 12

7REV 1 05/31/2018
AS-2856
AS-2856
ARNOTT
REAR AIR STRUT
LEXUS LS460 (XF40)
3. REINSTALLTHE SWAY BAR END LINK NUT ANDTIGHTEN TO MANUFACTURER'S SPECIFICATIONS.
(FIGURE 13)
FIGURE 13
4. INSTALLTHETHETHREETOP MOUNTING NUTSTOTHE SHOCK ANDTIGHTENTO MANUFACTURER'S
SPECIFICATIONS. (FIGURE 14)
FIGURE 14
5. REINSTALLTHETOP CAP SENSOR. (FIGURE 15)
FIGURE 15

8REV 1 05/31/2018
AS-2856
AS-2856
ARNOTT
REAR AIR STRUT
LEXUS LS460 (XF40)
6. REINSTALLTHETOP CAP. INSTALLTHETOP CAP NUTS ANDTIGHTENTO MANUFACTURER'S
SPECIFICATIONS. (FIGURE 16)
FIGURE 16
8. SETTHE REAR DECK PANEL BACK INTO PLACE.
7. REINSTALLTHE AIR LINE. TO DO THIS, PUSH THE TABS INWARD AND TWIST UNTIL THE CLIP
ALIGNS WITH THE HOLES IN THE FITTING, ALLOWING THE AIR LINE TO BE PROPERLY INSTALLED.
(FIGURES 17, 18)
FIGURE 17 FIGURE 18
9. REINSTALL THE WHEEL.
10. LOWER THE VEHICLE.
11. REINSTALL THE BACK SEATS, FOLLOWING THE VEHICLE'S FACTORY SERVICE PROCEDURES.
12. INSTALLATION COMPLETE