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

Engine Composite View


Object Number: 531383  Size: LF
(1)Upper Intake Manifold
(2)Manifold Absolute Pressure (MAP) Sensor
(3)Secondary Ignition (Spark Plug) Wires
(4)Ignition Coil/Module Assembly
(5)Heated Oxygen Sensor (HO2S 1)
(6)7X Crankshaft Position (CKP) Sensor
(7)Exhaust Gas Recirculation (EGR) Valve
(8)Throttle Position (TP) Sensor
(9)Fuel Feed and Return Pipes
(10)Throttle Body
(11)Idle Air Control (IAC)
(12)Positive Crankcase Ventilation (PCV) Valve
(13)EVAP Purge Valve
(14)Camshaft Position (CMP) Sensor Harness Connector
Figure 2:

Front of Engine Compartment


Object Number: 487965  Size: LF
(1)Engine Cooling Fan, RH
(2)Engine Cooling Fan. LH
Figure 3:

Left Front of Engine


Object Number: 619189  Size: LF
(1)Engine Oil Level Sensor
(2)Vehicle Speed Sensor (VSS)
(3)Crankshaft Position (7X) Sensor
Figure 4:

Right Front of Engine


Object Number: 619205  Size: LF
(1)Generator
(2)Ignition Control Module (ICM) Connector, C2
(3)EVAP Purge Valve Solenoid
(4)Heated Oxygen Sensor (H2OS) Pigtail
(5)Ignition Control Module (ICM) Connector, C2
(6)Ignition Control Module (ICM) Connector C1
Figure 5:

Upper Right Front of Engine


Object Number: 619214  Size: LF
(1)Ignition Control Module (ICM) Connector, C2
(2)C102 (Inline to Fuel Injector Wiring Harness)
(3)Heated Oxygen Sensor (H2OS) Pigtail
(4)Heated Oxygen Sensor (H2OS)
(5)Ignition Control Module (ICM) Connector, C1
Figure 6:

Upper Left Rear of Engine


Object Number: 619200  Size: LF
(1)C102 (Fuel Injector Wiring Harness)
(2)Manifold Absolute pressure (MAP) Sensor
(3)Exhaust Gas Recirculation (EGR) Valve
(4)Throttle Position (TP) Sensor
(5)Idle Air Control (IAC) Valve
(6)Exhaust Gas Recirculation (EGR) Valve and Connector
(7)EVAP Purge Valve
(8)Engine Oil Pressure Switch
(9)24X CKP Sensor Connector and Mounting Bracket
(10)Knock Sensor (KS) Connector
(11)Engine Oil Pressure Switch Connector
(12)Starter and Battery Feed Fusible Links
(13)A/C Compressor Harness
(14)Knock Sensor (KS)
(15)24X CKP Sensor Connector Mounting Bracket
(16)Positive Crankcase Ventilation (PCV) Valve
(17)Camshaft Position (CMP) Sensor Connector
Figure 7:

Front Of Engine


Object Number: 327373  Size: LF
(1)Crankshaft (24X) Position Sensor Connector and Mounting Bracket
(2)Knock Sensor (KS) Connector
(3)Engine Oil Pressure Switch Connector
(4)Starter and Battery Feed Fusible Links
(5)A/C Compressor Clutch Wiring Harness