Arnott Installation Manuals
P-3232
AIR SUSPENSION COMPRESSOR
FOR LAND ROVER RANGE ROVER (L322)

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-3232 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 Industries® is committed to the quality of its products. If you have a question or problem with any Arnott product, please contact us by calling +1 321-868-3016 during normal business hours or email techassistance@arnottinc.com (In the EU please call +31 (0)73 7850 580 or email Info@arnotteurope.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 ASSEMBLY REMOVAL

1. Remove the floor cover and spare tire in the rear cargo area to expose the vehicle’s air suspension compressor housing. (FIGURES 1, 2)

FIGURE 1
FIGURE 1
FIGURE 2
FIGURE 2

2. Remove the four (4) bolts holding the compressor cover to the vehicle. (FIGURE 3)

FIGURE 3
FIGURE 3

3. Remove the two (2) foam pads and the compressor cover from the vehicle. (FIGURES 4, 5, 6)

FIGURE 4
FIGURE 4
FIGURE 5
FIGURE 5

FIGURE 6
FIGURE 6

4. Remove the valve block from the compressor bracket. (FIGURES 7, 8)

FIGURE 7
FIGURE 7
FIGURE 8
FIGURE 8

5. Remove the air line and fitting (located next to the pressure sensor) from the valve block. (FIGURE 9)

FIGURE 9
FIGURE 9

6. Remove the lower air line from the compressor. Press and hold the quick connect fitting while pulling out on the air line. (FIGURES 10, 11)

FIGURE 10
FIGURE 10
FIGURE 11
FIGURE 11

7. Disconnect the two (2) electrical connectors from the compressor assembly to the vehicle. (FIGURES 12, 13, 14, 15)

FIGURE 12
FIGURE 12
FIGURE 13
FIGURE 13

FIGURE 14
FIGURE 14
FIGURE 15
FIGURE 15

8. Remove the four (4) mounting bolts holding the compressor assembly to the vehicle. Carefully remove the compressor assembly. (FIGURE 16)

FIGURE 16
FIGURE 16

AIR SUSPENSION COMPRESSOR ASSEMBLY INSTALLATION

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

1. Install the compressor assembly into the vehicle using the pre-installed mounting hardware. (FIGURE 17)

FIGURE 17
FIGURE 17

2. Connect the pre-installed air fitting to the valve block. (FIGURES 18, 19)

NOTE:  DO NOT OVERTIGHTEN THE AIR LINE FITTING!


FIGURE 18
FIGURE 18
FIGURE 19
FIGURE 19

3. Install the valve block onto the mounting bracket. (FIGURES 20, 21)

FIGURE 20
FIGURE 20
FIGURE 21
FIGURE 21

4. Insert airline from the valve block into the air fitting making sure it is properly seated. (FIGURE 22)

FIGURE 22
FIGURE 22

5. Connect the two (2) electrical connectors from the compressor to the vehicle’s wiring harness. (FIGURES 23, 24)

FIGURE 23
FIGURE 23
FIGURE 24
FIGURE 24

6. Secure the air hoses and wiring harness to the mounting bracket. (FIGURES 25, 26)

FIGURE 25
FIGURE 25
FIGURE 26
FIGURE 26

7. Re-install the air compressor cover, foam pads, spare tire and cargo area floor in the reverse order of removal using the factory mounting hardware.

WARNING: If replacing a Hitachi® air suspension compressor with the Arnott new compressor, the vehicle MUST be re-programmed by your Land Rover dealer. Neglecting to do so can result in compressor failure and void warranty.

REPLACING AIR SUSPENSION COMPRESSOR RELAY

1. The air suspension compressor relay is located on the right side of the rear cargo area. (FIGURES 27, 28)

FIGURE 27
FIGURE 27
FIGURE 28
FIGURE 28

2. Remove the compressor relay and replace with the unit provided in this kit. (FIGURE 29)

FIGURE 29
FIGURE 29

WARNING: Failure to replace this relay can cause compressor damage and/or void warranty.


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-3232 REV 2 05/08/2018