GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2005 🢒 Terraza Ext. 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T65-E 🢒 Automatic Level Control Component Views
Figure 1:

LR Cargo Area
Object Number: 1542515 Size: LF
(1)Automatic Level Control (ALC) Solenoid Valve (G67 w/o Z10)
(2)ALC Harness (G67)
(3)Auxiliary Power Outlet - Rear
(4)Automatic Level Control (ALC) Inflator Air Switch (G67 w/o Z10)
(5)Left Rear Cargo Trim Panel
Figure 2:

Twist Axle - Rear (FWD)
Object Number: 1536224 Size: LF
(1)C306 RR Wheel Speed Sensor Harness to Rear Cross-Car Jumper Harness
(2)Automatic Level Control (ALC) Sensor (G67)
(3)Automatic Level Control (ALC) Compressor (G67)
(4)C309 LR Wheel Speed Sensor Harness to Rear Cross-Car Jumper Harness
(5)Left Rear Hub
(6)Wheel Speed Sensor (WSS) - LR
Figure 3:

Rear Axle (AWD)
Object Number: 1536289 Size: LF
(1)C306 RR Wheel Speed Sensor Harness to Rear Cross-Car Jumper Harness
(2)Differential Clutch Pump Actuator Check Valve (M76)
(3)C309 LR Wheel Speed Sensor Harness to Rear Cross-Car Jumper Harness
(4)Automatic Level Control (ALC) Compressor (G67)
(5)Automatic Level Control (ALC) Sensor (G67)
(6)Wheel Speed Sensor (WSS) - LR
(7)C305 Rear Cross-Car Jumper Harness to Body Harness