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

Engine Composite View (3100 VIN M)


Object Number: 215896  Size: LF
(1)Fuel Injector 10-way Electrical Connector
(2)Upper Intake Manifold
(3)MAP Sensor
(4)Ignition Module/Coil Assembly
(5)EGR Valve
(6)Fuel Feed and Return Pipes
(7)Throttle Body Assembly
(8)ECT Sensor
(9)Engine Oil Pressure Switch
(10)Knock Sensor
(11)PCV Valve
(12)Fuel Pressure Regulator
Figure 2:

Engine Composite View (3100 VIN M)


Object Number: 215897  Size: LF
(1)Intake Manifold
(2)Secondary Ignition (Spark Plug) Wires
(3)Ignition Coils
(4)EVAP Purge Valve
(5)HO2S1
(6)EGR Valve
(7)Fuel Feed and Return Pipes
(8)TP Sensor
(9)Throttle Body
(10)IAC Valve
Figure 3:

Ignition System, TP Sensor, HO2S1, IAC and EGR Valve


Object Number: 181125  Size: MF
(1)Ignition Wires
(2)Ignition Module
(3)Heated Oxygen Sensor 1 (HO2S1)
(4)Exhaust Gas Recirculation (EGR) Valve
(5)Throttle Position (TP) Sensor
(6)Idle Air Control (IAC) Valve
Figure 4:

IAT, MAF, A/C Pressure Sensors, Cruise Control Module


Object Number: 181091  Size: MF
(1)Intake Air Temperature (IAT) Sensor
(2)Mass Air Flow (MAF) Sensor
(3)A/C Referigerant Pressure Sensor
(4)Cruise Control Module
Figure 5:

Engine Oil Pressure Switch, Knock Sensor, 24X CKP Sensor Connector


Object Number: 181109  Size: MF
(1)Engine Oil Pressure Switch
(2)24X Crankshaft Position (CKP) Sensor Connector
(3)Knock Sensor (KS)
Figure 6:

Fuel Injector Harness 10-Way Connector


Object Number: 181305  Size: SF
(1)Fuel Injector Harness 10-Way Connector
Figure 7:

Heated Oxygen Sensor 1 (HO2S1)


Object Number: 181275  Size: SF
(1)Heated Oxygen Sensor 1 (HO2S1)
Figure 8:

Heated Oxygen Sensor 2 (HO2S2)


Object Number: 181135  Size: LF
(1)Heated Oxygen Sensor 2 (HO2S2)
Figure 9:

Evaporative Emission Canister


Object Number: 181317  Size: MF
(1)Evap Canister Mounting Bracket
(2)Evap Canister
Figure 10:

Evaporative Emission Canister


Object Number: 181315  Size: MF
(1)Evap Vent Hose Assembly
(2)Evap Vent Solenoid
(3)Evap Canister
Figure 11:

A/C Refrigerant Pressure Sensor


Object Number: 181120  Size: SF
(1)A/C Referigerant Pressure Sensor
Figure 12:

Engine Cooling Fans


Object Number: 181115  Size: SF
Figure 13:

Radiator, Engine Coolant Level Indicator Module


Object Number: 181113  Size: SF
(1)Engine Coolant Level Indicator Module
(2)Radiator
Figure 14:

Air Cleaner Assembly


Object Number: 181308  Size: MF
(1)Air Cleaner Assembly
Figure 15:

Engine Oil Level Switch


Object Number: 181102  Size: SF
(1)Engine Oil Level Switch
Figure 16:

Vehicle Speed Sensor (VSS)


Object Number: 181104  Size: MF
(1)Vehicle Speed Sensor (VSS)
Figure 17:

Trans Range Switch, Engine Ground


Object Number: 181137  Size: MF
(1)Trans Range Switch
(2)Engine Grounds