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

Front of the Engine Compartment


Object Number: 1358054  Size: LF
(1)Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
(2)Throttle Body
Figure 2:

Front Engine Compartment


Object Number: 1653874  Size: LF
(1)Engine Cooling Fan
(2)Fan Control Module
Figure 3:

Left Side of the Engine Compartment


Object Number: 1358063  Size: LF
(1)Engine Coolant Level Switch
Figure 4:

Front of Engine (LC3)


Object Number: 1689283  Size: LF
(1)Camshaft Position (CMP) Sensor - Bank 1 - Intake
(2)Camshaft Position (CMP) Actuator - Bank 1 - Intake
(3)Manifold Absolute Pressure (MAP) Sensor
(4)Barometric Pressure (BARO) Sensor
(5)Supercharger Air Inlet Pressure Sensor
(6)Manifold Absolute Pressure (MAP) Sensor
(7)Supercharger Bypass Valve Solenoid
(8)Camshaft Position (CMP) Actuator Solenoid Valve - Bank 2 Intake
(9)Camshaft Position (CMP) Sensor - Bank 2 Intake
(10)Camshaft Position (CMP) Sensor - Bank 2 Exhaust
(11)Camshaft Position (CMP) Actuator Solenoid valve - Bank 2 Exhaust
(12)Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
(13)Brake Pressure Modulator Valve (BPMV)
(14)Electronic Brake Control Module (EBCM)
(15)Variable Effort Steering Actuator
(16)Camshaft Position (CMP) Actuator Solenoid Valve - Bank 1 Exhaust
(17)Camshaft Position (CMP) Sensor - Bank 1 Exhaust
Figure 5:

Top of Engine (LC3)


Object Number: 1689292  Size: LF
(1)X148
(2)Knock Sensor (KS) 1
(3)Fuel Injector 8
(4)X139
(5)Ignition Coil 8
(6)Fuel Injector 6
(7)Ignition Coil 6
(8)Fuel Injector 4
(9)Ignition Coil 4
(10)Fuel Injector 2
(11)Ignition Coil 2
(12)Knock Sensor (KS) 2
(13)Crankshaft Position (CKP) Sensor
(14)Intake Air Temperature (IAT) Sensor 2
(15)Fuel Injector 1
(16)X140
(17)Ignition Coil 1
(18)Ignition Coil 3
(19)Fuel Injector 3
(20)Ignition Coil 5
(21)Fuel Injector 5
(22)Ignition Coil 7
(23)Fuel Injector 7
Figure 6:

Top of the Engine


Object Number: 1276512  Size: LF
(1)Camshaft Position (CMP) Actuator Solenoid Valve - Bank 1 Exhaust
(2)Camshaft Position (CMP) Sensor - Bank 1 Exhaust
(3)Camshaft Position (CMP) Sensor - Bank 1 Intake
(4)Camshaft Position (CMP) Actuator Solenoid Valve - Bank 1 Intake
(5)Manifold Absolute Pressure (MAP) Sensor
(6)X140
(7)Ignition Coil 1
(8)Fuel Injector 1
(9)Ignition Coil 3
(10)Fuel Injector 3
(11)Ignition Coil 5
(12)Fuel Injector 5
(13)Ignition Coil 7
(14)Fuel Injector 7
(15)Fuel Injector 6
(16)Starter
(17)X148
(18)Fuel Injector 8
(19)X139
(20)Ignition Coil 8
(21)Ignition Coil 6
(22)Ignition Coil 4
(23)Fuel Injector 4
(24)Ignition Coil 2
(25)Fuel Injector 2
(26)Camshaft Position (CMP) Actuator Solenoid Valve - Bank 2 Exhaust
(27)Camshaft Position (CMP) Sensor - Bank 2 Exhaust
(28)Camshaft Position (CMP) Sensor - Bank 2 Intake
(29)Camshaft Position (CMP) Actuator Solenoid Valve - Bank 2 Intake
(30)Evaporative Emission (EVAP) Canister Purge Solenoid Valve
(31)Throttle Body
Figure 7:

Left Side of Engine (LC3)


Object Number: 1689296  Size: LF
(1)Engine Oil Pressure (EOP) Sensor
(2)G107
(3)Heated Oxygen Sensor (HO2S) - Bank 2 Sensor 2
(4)Heated Oxygen Sensor (HO2S) - Bank 2 Sensor 1
(5)Generator
(6)G105
(7)Mass Air Flow (MAF)/ntake Air Temperature (IAT) Sensor
Figure 8:

Upper Center of the Engine


Object Number: 1358058  Size: LF
(1)Knock Sensor (KS) 2
(2)Knock Sensor (KS) 2 Connector
(3)Knock Sensor (KS) 1 Connector
(4)Knock Sensor (KS) 1
(5)Crankshaft Position (CKP) Sensor
Figure 9:

Lower Left Front of the Engine


Object Number: 1361116  Size: LF
(1)Generator
Figure 10:

Lower Left Side of the Engine


Object Number: 1358036  Size: LF
(1)Engine Oil Pressure (EOP) Sensor
Figure 11:

Right Side of Engine (LC3)


Object Number: 1689299  Size: LF
(1)X182
(2)X180
(3)X186
(4)Battery
(5)Fuse Block - Underhood
(6)Engine Oil Pressure (EOP) Switch
(7)Heated Oxygen Sensor (HO2S) - Bank 1 Sensor 1
(8)Heated Oxygen Sensor (HO2S) - Bank 1 Sensor 2
(9)Engine Control Module (ECM) Connectors
(10)X184
Figure 12:

Lower Right Front of the Engine


Object Number: 1358225  Size: LF
(1)A/C Compressor Clutch
Figure 13:

Lower Right Side of the Engine


Object Number: 1358041  Size: LF
(1)Engine Oil Level (EOL) Switch
Figure 14:

Right Side of the Engine Compartment


Object Number: 1358223  Size: LF
(1)A/C Refrigerant Pressure Sensor
Figure 15:

Rear of Engine (LC3)


Object Number: 1689302  Size: LF
(1)Evaporative Emission (EVAP) Canister Purge Solenoid Valve
(2)Throttle Body
(3)Starter
(4)X148
(5)JX106
(6)Engine Coolant Temperature (ECT) Sensor
(7)Engine Coolant Heater
(8)X188
Figure 16:

Transmission


Object Number: 1650351  Size: LF
(1)Transmission Control Module (TCM)
(2)Automatic Transmission Input Shaft Speed (ISS) Sensor and Automatic transmission Output Shaft Speed (OSS) Sensor
(3)Automatic Transmission Internal Mode Switch (IMS)
Figure 17:

Exhaust Pipes


Object Number: 1276519  Size: LF
(1)Heated Oxygen Sensor (HO2S) - Bank 2 Sensor 1
(2)Heated Oxygen Sensor (HO2S) - Bank 1 Sensor 1
(3)Heated Oxygen Sensor (HO2S) - Bank 1 Sensor 2
(4)Heated Oxygen Sensor (HO2S) - Bank 2 Sensor 2
Figure 18:

Rear Exhaust Area (LC3)


Object Number: 1653858  Size: LF
(1)Exhaust Tail Pipe Flow Valve Control Module
(2)Exhaust Tail Pipe Flow Control Valve Solenoid
(3)Exhaust Control Valves
(4)Rear Compartment Panel
Figure 19:

Fuel Tanks


Object Number: 901394  Size: LF
(1)Fuel Tank - Left
(2)Fuel Pump and Sender Assembly
(3)X420
(4)Fuel Tank Pressure (FTP) Sensor
(5)Fuel Level Sensor
(6)Fuel Tank - Right
(7)X460
(8)X459