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

Full Engine View Left Side


Object Number: 334934  Size: LF
(1)Manifold Absolute Pressure (MAP) sensor
(2)Fuel Pressure Regulator
(3)Positive Crankcase Ventilation (PCV) Valve
(4)Left Bank Ignition Coils
(5)Engine Oil Temperature (EOT) Sensor
(6)Engine Coolant Temperature (ECT) Sensor
(7)Throttle Position (TP) Sensor
(8)Throttle Body
(9)Idle Air Control (IAC) Motor
(10)EVAP Purge Solenoid
Figure 2:

EVAP Canister and Vent Valve


Object Number: 334914  Size: MF
(1)Left Frame Rail
(2)EVAP Vent Valve
(3)Fuel Tank
(4)EVAP Canister
Figure 3:

AIR System (RPO NC1 only), EGR, and Right Bank Ignition Coils


Object Number: 350155  Size: MF
(1)AIR System Crossover Pipe
(2)Left Bank AIR Check Valve
(3)Left Bank AIR Pipe
(4)EGR Pipe to Intake Manifold
(5)Exhaust Gas Recirculation (EGR) Valve
(6)EGR Pipe from Exhaust Manifold
(7)Right Bank AIR Pipe
(8)Right Bank Ignition Coils
(9)Right Bank AIR Check Valve
Figure 4:

A/C Compressor, Oil Level Switch, CKP Sensor and Starter


Object Number: 310258  Size: LF
(1)A/C Compressor Assembly
(1)A/C Compressor Assembly
(2)A/C Compressor Clutch Connector
(3)A/C Pressure Switch Connector
(3)A/C Pressure Switch Connector
(4)A/C High Pressure Cutout Switch
(5)Oil Level Switch Connector
(6)Starter Assembly
(7)Crankshaft Position Sensor (CKP) Connector
(8)Starter Solenoid Lead
Figure 5:

Front Mounted A/C Components


Object Number: 310810  Size: MF
(1)Radiator Core Side Support
(2)A/C Refrigerant Hose
(3)Mounting Bracket
(4)A/C Secondary High Pressure Switch
(5)A/C Secondary High Pressure Switch Connector
Figure 6:

Knock Sensors


Object Number: 198593  Size: MF
(1)Front Knock Sensor - KS1
(2)Rear Knock Sensor - KS2
Figure 7:

Crankshaft Position Sensor Location


Object Number: 222858  Size: MF
(1)CKP Mounting Bolt
(2)CKP Mounting Location
(3)Crankshaft Position Sensor (CKP)
Figure 8:

Air Induction Components


Object Number: 350034  Size: MF
(1)Clamp
(2)Air Duct
(3)Clamp
(4)MAF/IAT Sensor
(5)Air Cleaner Assembly
(6)Air Restriction Indicator
Figure 9:

Air Cleaner Housing


Object Number: 350368  Size: MF
(1)Restriction Indicator
(2)MAF/IAT Sensor
(3)Seal with Clamp
(4)Air Cleaner Housing Top Cover
(5)Air Cleaner Element
(6)Air Cleaner Housing
(7)Air Inlet
(8)Air Cleaner Housing Top Cover Fasteners
Figure 10:

AIR System (RPO NC1 only), AC Accumulator


Object Number: 334932  Size: MF
(1)AIR Pump
(2)Vacuum Hose to AIR Solenoid
(3)A/C Compressor Cycling Switch
(4)A/C Accumulator
(5)AIR Hose to AIR Pipes
(6)AIR Solenoid
(7)AIR Pump Shut Off Valve
(8)Fender to Cowl Brace
Figure 11:

Vehicle Speed Sensor (VSS) and Back Up Lamp Switch (Manual Transmission)


Object Number: 310252  Size: MF
(1)Back Up Lamp Switch Connector
(2)Vehicle Speed Sensor (VSS)
(3)Vehicle Speed Sensor (VSS) Connector
(4)Back Up Lamp Switch
Figure 12:

Automatic Transmission 4L60E


Object Number: 310227  Size: LF
(1)Transmission Electrical Connector
(2)Vehicle Speed Sensor (VSS)
(3)Frame Rail Cross Member
(4)Heated Oxygen Sensor Bank 1 Sensor 2 Electrical Connector
(5)Back Up Lamp Switch Connector (Part of the Park/Neutral Position Switch)
(6)Park Neutral Position SwitchConnector
(7)PRND/Park Neutral/Back up Switch Assembly
(8)Heated Oxygen Sensor Bank 1 Sensor 1 Electrical Connector
Figure 13:

Automatic Transmission 4L80-E


Object Number: 310233  Size: LF
(1)Vehicle Speed Sensor
(2)Harness Connector
(3)Backup Lamp Switch Connector (Part of the Park / Neutral Position Switch)
(4)Park / Neutral Position Switch Connector
(5)Input Shaft Speed Sensor Connector
(6)Park / Neutral Position Switch
Figure 14:

Engine Wiring Harness Junction Block


Object Number: 310798  Size: MF
(1)Engine Wiring Harness Junction Block
(2)Forward Lamp Harness -- C4 (GRN)
(3)Chassis Harness -- C3 (RED)
(4) Engine Wiring Harness Junction Block Mounting Bracket
(5)Left Front Wheel House
(6)Left Front Inner Fender
(7)Instrument Panel Harness -- C1 (LT GRY)
(8)Engine Harness -- C2 (BLK)
Figure 15:

Oxygen Sensors (4.8L and 5.3L)


Object Number: 334918  Size: MF
(1)Bank 1 Sensor 2 HO2S
(2)Bank 1 Sensor 1 HO2S
(3)Bank 1 Sensor 1 HO2S Threaded Boss
(4)Left Bank Catalytic Convertor
(5)Bank 1 Sensor 2 HO2S Threaded Boss
(6)Bank 2 Sensor 1 HO2S Threaded Boss
(7)Right Side Frame Rail
(8)Right Bank Catalytic Convertor
(9)Bank 2 Sensor 2 HO2S Threaded Boss
(10)Bank 2 Sensor 2 HO2S
(11)Bank 2 Sensor 1 HO2S
Figure 16:

Oxygen Sensors (6.0L)


Object Number: 349194  Size: MF
(1)Bank 2 Sensor 1 HO2S
(2)Bank 1 Sensor 2 HO2S Threaded Boss
(3)Right Side Frame Rail
(4)Right Bank Catalytic Convertor
(5)Bank 2 Sensor 2 HO2S
(6)Bank 2 Sensor 2 HO2S Threaded Boss
(7)Left Bank Catalytic Convertor
(8)Bank 1 Sensor 2 HO2S
(9)Bank 1 Sensor 1 HO2S Threaded Boss
(10)Bank 1 Sensor 1 HO2S
(11)Bank 2 Sensor 1 HO2S Threaded Boss
Figure 17:

LF Radiator Support Components (4.3L/4.8L/5.3L/6.0L)


Object Number: 310796  Size: MF
(1)Powertrain Control Module (PCM)
(2)Radiator Support
(3)Left Frame Rail
(4)PCM Wire Harness Connectors