Installation Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Air Inlet, Hose And Air Compressor

Courtesy of GENERAL MOTORS CORP.

Install the air compressor (2) to the vehicle.

CAUTION:

Refer to Fastener Caution .

Slide the air compressor forward to secure the fasteners into the frame slots and install the mounting nuts. Tighten the bolts to 15 N.m (11 lb ft)
Install the air inlet hose (1) to the fuel filler neck bracket.

Fig 2: Air Tube At Air Dryer And Electrical Connection

Courtesy of GENERAL MOTORS CORP.

Connect the air tube (1) to the air dryer.
Connect the electrical connection (2).
Lower the vehicle.
perform the following procedure after the air compressor has been replaced.
- Turn the ignition ON, with the engine OFF.
- Install a scan tool
- With the scan tool, operate the air compressor for 30 seconds or until the rear of the vehicle begins to rise.
- Remove the scan tool.
- Cycle the ignition OFF, then back ON, with the engine ON to allow the air suspension system to regain the desired rear suspension position.