Accumulator: Service and Repair

Air Suspension Reservoir

Removal
1 Using T4, depressurize the air suspension. For additional information, refer to Air Suspension System Depressurize and Pressurize Service and Repair
2
WARNING: Do not work on or under a vehicle supported only by a jack. Always support the vehicle on safety stands.
Raise and support the vehicle.
3 Disconnect the battery ground cable. For additional information, refer to Specifications Battery and Charging System




4 Remove the closing panel.
- Remove the 2 nuts.




5
WARNING: The air suspension system is pressurized up to 16.8 bar (244 lbf/in). Make sure no dirt or grease enters the system. Always wear hand, eye and ear safety standard protection when working on the system.
CAUTION: Before disconnecting or removing the components, ensure the area around the joint faces and connections are clean and dry. Plug open connections to prevent contamination.
Remove the air suspension reservoir.
- Position a transmission jack to support the component.
- Remove the Torx bolt.
- Remove the 4 bolts.
- Lower the component for access to the Voss connector.




6
CAUTION: The air line must only be disconnected by removal of the Voss connector. Do not remove the air line retaining boss from the air suspension reservoir. Failure to follow this instruction may result in damage to the vehicle.
CAUTION: Break the Voss collet to remove, attempting to slide the collet from the air line will result in damage.
Disconnect the reservoir air line.
- Remove and discard the Voss connector and collet.




7
NOTE:
Do not disassemble further if the component is removed for access only.
Remove the support bracket.
- Remove the Torx bolt.

Installation
1 Install the support bracket.
- Tighten the Torx bolt to 25 Nm (18 lb.ft).
2
CAUTION: Make sure the new Voss connector is installed and fully tightened with the alignment plug installed.
NOTE:
New air suspension components are supplied with new Voss connectors tightened to the correct torque. Do not install new voss connectors if a new component is being installed.
Install a new Voss connector to the air reservoir.
- Tighten the new Voss connector to 5 Nm (4 lb.ft).
3 Install the air suspension reservoir.
- Position a transmission jack to support the component.
- Remove the Voss collet alignment peg.
- Connect the air line.
- Tighten the M6 bolts to 10 Nm (7 lb.ft).
- Tighten the Torx bolt to 25 Nm (18 lb.ft).
4 Install the closing panel.
- Install the nuts.
5 Connect the battery ground cable. For additional information, refer to Specifications Battery and Charging System