GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Automatic Level Control Sensor


Object Number: 1577593  Size: SH
(1)Rear Level Control Sensor
Figure 2:

Front Brake and Suspension Components


Object Number: 1488594  Size: LF
(1)Wheel Speed Sensor (WSS) - RF
(2)Suspension Damper - RF
(3)Suspension Position Sensor - RF
(4)Suspension Position Sensor - LF
(5)Suspension Damper - LF
(6)Wheel Speed Sensor (WSS) - LF
(7)Brake Fluid Pressure Sensor
(8)Electronic Brake Control Module (EBCM)
Figure 3:

Front Position Sensor


Object Number: 1577595  Size: SH
(1)Front Position Sensor Left/Right
Figure 4:

Rear Brakes and Suspension


Object Number: 1488594  Size: LF
(1)Automatic Level Control (ALC) Compressor
(2)Automatic Level Control (ALC) Exhaust Solenoid
(3)Suspension Damper - LR
(4)Wheel Speed Sensor (WSS) - LR
(5)Suspension Position Sensor - LR
(6)Suspension Position Sensor - RR
(7)Wheel Speed Sensor (WSS) - RR
(8)Suspension Damper - RR
Figure 5:

Rear Position Sensor


Object Number: 1577593  Size: SH
(1)Rear Position Sensor