Installation Procedure

Install the air spring level sensor link to the upper control arm.

Fig 1: Removing/Installing Air Spring Level Sensor Link
Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.

IMPORTANT: Do not remove the air spring level sensor locating pin until the air spring level sensor has been properly aligned and the proper D height has been measured and maintained. Refer to TRIM HEIGHT SPECIFICATIONS in Suspension General Diagnosis.
Install the air spring level sensor to the frame mounting bolts.
Tighten: Tighten the air spring level sensor to the frame mounting bolts to 8 N.m (71 lb in).

Fig 2: Removing/Installing Air Spring Level Sensor
Courtesy of GENERAL MOTORS CORP.
Connect the air spring level sensor electrical connector.

Fig 3: Disconnecting/Connecting Air Spring Level Sensor Electrical Connector
Courtesy of GENERAL MOTORS CORP.

NOTE: Failure to remove the air suspension auto level control sensor locating pin before the rear axle support is removed will cause damage to the air suspension auto level control sensor.
Remove the air spring level sensor locating pin.

Fig 4: Removing/Installing Air Spring Level Sensor Locating Pin
Courtesy of GENERAL MOTORS CORP.
Remove the rear axle support.
Install the rear tire and wheels. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
Lower the vehicle.
Install the air suspension system fuse.
Start the vehicle and run for approximately 1 minute to ensure that the air spring leveling system is functioning properly.
Check the D height. Refer to TRIM HEIGHT INSPECTION PROCEDURE in Suspension General Diagnosis.