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SK-2952
ARNOTT FRONT SHOCK KIT
FOR CADILLAC DTS/BUICK LUCERNE
(G-PLATFORM)
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.
1. Raise vehicle and remove front wheel to expose the front coil strut. (FIGURE 1)
2. Unbolt the two side brackets from the strut. (FIGURES 2, 3)
3. Disconnect coil sensor from the back of the strut. (FIGURE 4)
4. Remove the 3 top nuts from the strut. (FIGURE 5)
5. Loosen and remove the bottom mounting bolts from the strut. (FIGURES 6, 7)
Tapping the bolts with a hammer may assist in ease of removal.
6. Remove shock from vehicle. (FIGURE 8)
Use a spring compressor tool for the following removal steps.
1. Remove lock nut from the top of the strut. (FIGURE 9, 10)
2. Remove washer, top mount, and rubber isolator. (FIGURES 11, 12, 13)
3. Loosen tension on spring and remove from coil press. (FIGURE 14, 15)
4. Remove dust cover and spring isolator. (FIGURES 16, 17)
5. Coil strut dissassembly complete.
Tighten all nuts and bolts to manufacturer's specifications during the assembly process.
1. Add new strut to spring compressor and remove lock nut, to be used later. (FIGURES 18, 19)
2. Install spring isolator from previous strut and align rubber points with the respective holes on the strut base. (FIGURE 20)
3. Install dust cover from previous strut. (FIGURE 21)
4. Add coil spring and align it with the notch on the spring isolator. (FIGURES 22, 23)
5. Compress coil and add rubber isolator. (FIGURES 24, 25)
6. Install top mount and align as shown below. (FIGURES 26, 27)
7. Install washer and lock nut. (FIGURES 28, 29)
8. Tighten lock nut to manufacturer specifications. (FIGURE 30)
9. Carefully loosen tension on spring and release coil press.
10. Re-check alignment once coil press has been released.
11. Coil strut reassembly complete.
Tighten all nuts and bolts to manufacturer's specifications during the assembly process.
1. Installation is in reverse order of shock removal.
Be sure to reconnect Coil Sensor; it may look slightly different than the original, as shown below. (FIGURE 31)