Installation Procedure
Install the air suspension control module (3) on the air suspension control module manifold (2).
- Automatic Level Control Air Compressor Bolt (1) - Install and tighten [2x] - Fastener Specifications
- NOTE:
Automatic level control air compressor and air suspension control module manifold assembly with air suspension control module shown removed from vehicle for graphic purposes only.
Install the air suspension control module manifold assembly (2) and air suspension control module as an assembly.
- Automatic Level Control Air Compressor Bolt (1) - Install and tighten [2x] - Fastener Specifications
- NOTE:
The air suspension controller and the air lines are color coded for ease of installation. Install lines at top row from right to left, then bottom row right to left.
Install and tighten the 7 automatic level control air compressor tube fittings (1) to the air suspension control module manifold assembly. Fastener Specifications
- Electrical Connector (2) - Connect
Remove the automatic level control air supply reservoir coupling cap (1).
- Install CH-52667 Air Spring Inflator to the automatic level control air supply reservoir air valve (2) and set the regulator on the nitrogen tank to 15 Bar (217.55 PSI).
- Using CH-52667 Air Spring Inflator, open the valve on the pressure gage to fill the automatic level control air supply reservoir.
- Using CH-52667 Air Spring Inflator and the shop nitrogen tank, fill the automatic level control air supply reservoir to 15 Bar (217.55 PSI).
- Partially lower the vehicle, but DO NOT let the wheels touch the ground.
- Using GDS2 tool, use short-term inflate to increase pressure to the air springs:
- Front: 5.5 Bar (80 PSI)
- Rear: 5.5 Bar (80 PSI)
- Using GDS2, verify automatic level control air supply tank pressure is at 15 Bar (217.55 PSI), if not repeat steps 9 - 11.
- Close the pressure gauge valve and remove CH-52667 Air Spring Inflator from the automatic level control air supply reservoir.
- Install the automatic level control air supply reservoir coupling cap (1) and tighten. Fastener Specifications
- NOTE:
Left side shown, right side similar.
Rear Wheelhouse Panel Rear Liner - Right Side (1) - Install - Rear Wheelhouse Panel Rear Liner Replacement
- Install underbody panels as necessary. Underbody Panel Component Locator
- Install the right rear tire and wheel assembly. Tire and Wheel Removal and Installation
- Perform the electronic suspension position sensor trim height calibration. Automatic Level Control Trim Height Learn
Refer to Fastener Caution .
Fill the front air bags first.
The vehicle must be in Maintenance Mode.