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

Top of Engine


Object Number: 1814306  Size: LF
(1)Mass Air Flow (MAF) Sensor
(2) Camshaft Position (CMP) Actuator Solenoid - Intake
(3)Camshaft Position (CMP) Actuator Solenoid - Exhaust
(4)Ignition Coil Module 1
(5)Ignition Coil Module 2
(6)Ignition Coil Module 3
(7)Ignition Coil Module 4
(8)Throttle Actuator Control (TAC) Module
(9)Fuel Injector 4
(10)Fuel Injector 3
(11)Fuel Injector 2
(12)Fuel Injector 1
(13)Manifold Absolute Pressure (MAP) Sensor
Figure 2:

Engine Controls Components-- Front and Rear


Object Number: 955993  Size: LF
(1)Spark Plugs
(2)Manifold Absolute Pressure (MAP) Sensor
(3)Knock Sensor (KS)
(4)Crankshaft Position (CKP) Sensor
(5)Engine Oil Pressure (EOP) Switch
(6)Generator Mounting Location
(7)A/C Compressor Clutch Location
(8)Heated Oxygen Sensor (HO2S) Sensor 1
(9)Engine Coolant Temperature (ECT) Sensor
Figure 3:

Rear of Engine


Object Number: 1814297  Size: LF
(1)Evaporative Emissions (EVAP) Canister Purge Solenoid
(2)Vehicle Speed Sensor (VSS)
(3)Heated Oxygen Sensor (HO2S) 2
(4)Heated Oxygen Sensor (HO2S) 1
(5)Park/Neutral Position (PNP) Switch
(6)Engine Coolant Temperature (ECT) Sensor
(7)G107
Figure 4:

Fuel Tank Components


Object Number: 1803057  Size: LF
(1)Wheel Well - RR
(2)Fuel Tank Pressure (FTP) Sensor
(3)Fuel Pump and Sender Assembly - Primary
(4)Fuel Tank
(5)Fuel Pump and Sender Assembly - Secondary
(6)Evaporative Emissions (EVAP) Canister
(7)Evaporative Emissions (EVAP) Canister Vent Solenoid
Figure 5:

Transmission Components - 4T45-E


Object Number: 1781899  Size: LF
(1)Transmission - 4T45-E
(2)Vehicle Speed Sensor (VSS)
(3)Park Neutral Position (PNP) Switch