GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2009
🢒
LaCrosse
🢒
Power and Signal Distribution
🢒
Wiring Systems and Power Management
🢒 Wheels/Vehicle Underbody Component Views
Figure
1:
Right Front Frame and Underbody (L26)
(1)
Catalytic Converter
(2)
Heated Oxygen Sensor (HO2S) 2
Figure
2:
Under Engine Components (LS4)
(1)
Heated Oxygen Sensor (HO2S) 2
Figure
3:
Wheel Speed Components
(1)
Wheel Speed Sensor (WSS) - Left Front
(2)
Wheel Speed Sensor (WSS) - Right Front
(3)
Wheel Speed Sensor (WSS) - Left Rear
(4)
Wheel Speed Sensor (WSS) - Right Rear
Figure
4:
Fuel Tank Components
(1)
Fuel Tank
(2)
Fuel Tank Pressure (FTP) Sensor
(3)
X405
(4)
Fuel Pump and Sender Assembly
(5)
Evaporative Emission (EVAP) Canister Vent Solenoid Valve
(6)
EVAP Canister
Figure
5:
Left Rear Wheel Well Components
(1)
Evaporative Emission (EVAP) Canister Vent Solenoid Valve