Removal Procedure

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Remove the air suspension system fuse before working on the rear suspension components or the rear axle. Failure to remove the air suspension system fuse could cause the calibration of the air suspension leveling sensor to change and the air suspension system not to function properly.

Remove the air suspension system fuse.
Ensure that the vehicle is parked on level surface.
Inspect tires for proper tire pressure. Refer to Tire Inflation Pressure Specifications in Maintenance and Lubrication.
Inspect the air suspension system components for damage or defects.
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

Fig 1: Disconnecting Air Spring Level Sensor Link From Upper Control Arm
Courtesy of GENERAL MOTORS CORP.
Remove the rear tire and wheels. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
Support the rear axle and set the rear axle to proper D height. Refer to WHEEL ALIGNMENT SPECIFICATIONS & ADJUSTMENT PROCEDURES in Suspension General Diagnosis.
Disconnect the air spring level sensor link from the upper control arm.
Disconnect the air spring level sensor electrical connector.

Fig 2: Disconnecting Air Spring Level Sensor Electrical Connector
Courtesy of GENERAL MOTORS CORP.
Remove the air spring level sensor to the frame mounting bolts.
Remove the air spring level sensor.

Fig 3: Removing Air Spring Level Sensor From Frame
Courtesy of GENERAL MOTORS CORP.