Removal Procedure

WARNING: This page is about a different car, the 2002 Cadillac Eldorado. However, it is still accessible from the selected car via links, so may be relevant.

Raise the vehicle. Refer to LIFTING AND JACKING THE VEHICLE in General Information.
Disconnect the link from the height sensor actuating arm and the suspension control arm.
Disconnect the height sensor connector from the vehicle harness connector.
Remove the four nuts and the bracket from the height sensor.

Fig 1: Removing Nuts & Bracket From Height Sensor
Courtesy of GENERAL MOTORS CORP.