Installation Procedure
- CAUTION:
Refer to Fastener Caution .
Automatic Level Control Air Compressor Tube (1) @ Automatic Level Control Air Compressor - Install and tighten - Fastener Specifications
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
Automatic Level Control Module (1) - Install
Automatic Level Control Air Compressor Nut (2) - Install and tighten [2x] - Fastener Specifications
- Automatic Level Control Air Compressor Bolt (1) - Install and tighten - Fastener Specifications
Electrical Connector (1) - Connect
Automatic Level Control Air Compressor Tube (1) @ Automatic Level Control Air Compressor - Install and tighten - Fastener Specifications
- NOTE:
The air suspension controller and the air lines are color coded for ease of installation.
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
Automatic Level Control Air Compressor Inlet Tube (3) @Automatic Level Control Module - Install
- Attach the automatic level control air compressor inlet tube retainer (2).
- Reposition the hose clamp (1) on the automatic level control air compressor inlet tube (3). Hose Clamp Replacement Guidelines - Spring Type
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
Fill the front air bags first.
The vehicle must be in Maintenance Mode.