GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 Lucerne 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 Wheels/Vehicle Underbody Component Views
Figure 1:

Rear Axle Area
Object Number: 1656972 Size: LF
(1)Suspension Position Sensor - Right Rear (F55)
(2)Wheel Speed Sensor - Right Rear
(3)Body Harness
(4)Wheel Speed Sensor - Left Rear
(5)Suspension Position Sensor - Left Rear (F55), Automatic Level Control Module (FE1, FE3, F41)
(6)X308 Rear Wheel Speed Harness to Chassis Harness
(7)Rear Wheel Speed Harness
Figure 2:

Fuel Tank Top View
Object Number: 1657329 Size: LF
(1)Fuel Tank
(2)Fuel Pump and Sender Assembly
(3)Fuel Sender Connector
(4)Evaporative Emission (EVAP) Canister
(5)Evaporative Emission (EVAP) Canister Vent Solenoid Valve
Figure 3:

Fuel Tank Components
Object Number: 1706941 Size: LF
(1)Fuel Tank Pressure (FTP) Sensor Connector
(2)Fuel Pump and Sender Assembly
(3)Rear Fascia
(4)Fuel Tank
(5)Body Harness
(6)Evaporative Emission (EVAP) Canister
Figure 4:

Rear Wheel Speed Sensors
Object Number: 1707499 Size: LF
(1)Wheel Speed Sensor (WSS)-Left Rear
(2)Wheel Speed Sensor (WSS)-Right Rear
Figure 5:

Front Wheel Speed Sensors
Object Number: 1707506 Size: LF
(1)Wheel Speed Sensor (WSS)-Left Front
(2)Wheel Speed Sensor (WSS)-Right Front
Figure 6:

Rear Suspension Components
Object Number: 1707570 Size: LF
(1)Suspension Position Sensor - Left Rear (F55)
(2)Suspension Position Sensor - Right Rear (F55)
(3)Automatic Level Control (ALC) Compressor
(4)Rear Bumper
(5)Suspension Damper - Right Rear (F55)
(6)Suspension Damper - Left Rear (F55)
Figure 7:

Front Suspension Components
Object Number: 1707578 Size: LF
(1)Suspension Damper - Left Front (F55)
(2)Suspension Position Sensor - Left Front (F55)
(3)Suspension Damper - Right Front (F55)
(4)Suspension Position Sensor - Right Front (F55)