Powertrain Component Views

Fig 1: Behind Radiator

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Cooling Fan - Right
2	Cooling Fan - Left

Fig 2: Left Front of the Engine Compartment

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Mass Air Flow (MAF) Sensor/Intake Air Temperature (IAT) Sensor
2	Brake Booster Vacuum Sensor (LZG/LS4)
3	Windshield Wiper Motor
4	Electronic Brake Control Module (EBCM)
5	A/C Refrigerant Pressure Sensor
6	Transmission Control Module (TCM)
7	Engine Control Module (ECM)
8	G101
9	Inflatable Restraint Front End Sensor - Left

Fig 3: Lower Front of the Engine (LZE/LZ4/LZG)

Courtesy of GENERAL MOTORS CORP.

Fig 4: Right Front of the Engine Compartment

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Fuse Block - Underhood
2	Generator
3	Brake Fluid Level Switch
4	Battery
5	Inflatable Restraint Front End Sensor - Right
6	G100
7	Horn Assembly
8	Windshield Washer Fluid Container
9	Windshield Washer Fluid Level Switch
10	Windshield Washer Fluid Pump
11	Battery Current Sensor
12	G102

Fig 5: Lower Right Front of Engine

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	A/C Compressor Clutch
2	A/C Compressor Clutch Connector
3	A/C Compressor

Fig 6: Secondary Air Injection (AIR) Components (LZ4/NU3)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Engine - LZ4
2	Secondary Air Injection (AIR) Pump Solenoid
3	Throttle Body
4	Secondary Air Injection (AIR) Solenoid Relay
5	Secondary Air Injection (AIR) Pump Relay
6	Secondary Air Injection (AIR) Pump

Fig 7: Front of the Engine (LZE/LZ4/LZG)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Camshaft Position (CMP) Sensor
2	Knock Sensor (KS) 2
3	Engine Oil Pressure (EOP) Sensor
4	Camshaft Position (CMP) Actuator Solenoid Valve

Fig 8: Top of the Engine (LZE/LZ4/LZG)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Manifold Absolute Pressure (MAP) Sensor
2	Throttle Body
3	Intake Manifold
4	Camshaft Position (CMP) Sensor
5	Heated Oxygen Sensor (HO2S) 1
6	Ignition Control Module (ICM)

Fig 9: Beneath the Upper Intake (LZE/LZ4/LZG)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Fuel Injector 5
2	Engine Coolant Temperature (ECT) Sensor
3	Fuel Injector 6
4	Fuel Injector 4
5	Fuel Injector 2
6	Fuel Injector 1
7	Fuel Injector 3

Fig 10: Near the Air Cleaner Duct (LZE/LZ4/LZG)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Evaporative Emission (EVAP) Canister Purge Solenoid Valve
2	Mass Air Flow (MAF) Sensor/Intake Air Temperature (IAT) Sensor
3	Air Cleaner Housing

Fig 11: Left Top Side of Engine

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Throttle Body
2	Mass Air Flow (MAF) Sensor/Intake Air Temperature (IAT) Sensor
3	Mass Air Flow (MAF) Sensor/Intake Air Temperature (IAT) Sensor Connector

Fig 12: Transaxle

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Pressure Control (PC) Solenoid Valve
2	1-2 Shift Solenoid (SS) Valve
3	Automatic Transmission Input Shaft Speed (ISS) Sensor
4	2-3 Shift Solenoid (SS) Valve
5	Automatic Transmission Internal Mode Switch (IMS)
6	Vehicle Speed Sensor (VSS)
7	Automatic Transmission Fluid Pressure (TFP) Manual Valve Position Switch
8	Automatic Transmission Fluid Temperature (TFT)Sensor
9	Torque Converter Clutch (TCC) Solenoid Valve

Fig 13: Rear of the Engine (LZE/LZ4/LZG)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Throttle Body
2	Ignition Control Module (ICM)
3	Heated Oxygen Sensor (HO2S) 1
4	Engine Coolant Heater
5	Engine Oil Level Switch
6	Crankshaft Position (CKP) Sensor
7	Knock Sensor (KS) 1

Fig 14: Underbody

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Heated Oxygen Sensor (HO2S) 2

Fig 15: Fuel Tank Components

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Fuel Tank
2	Fuel Pump and Sender Assembly
3	Fuel Tank Pressure (FTP) Sensor
4	Evaporative Emission (EVAP) Canister Vent Solenoid Valve

Fig 16: Fuel Pump and Sender Assembly

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Fuel Line Quick Connector
2	Fuel Pump
3	Base Plate
4	Fuel Strainer
5	Fuel Level Sensor
6	Springs
7	Fuel Tank Pressure (FTP) Sensor