Powertrain Component Views

Powertrain Component Views

Top Left Side of Engine Components (LS4)

Left Top Side Of Engine:

1 - Throttle Actuator Control (TAC) Module
2 - Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
3 - Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor Connector

Top of Engine Components (LS4)

Top Of Engine:

1 - Ignition Coil 8
2 - Fuel Injector 8
3 - Evaporative Emission (EVAP) Canister Purge Solenoid Valve
4 - Manifold Absolute Pressure (MAP) Sensor
5 - Throttle Actuator Control (TAC) Module
6 - Engine Oil Pressure (EOP) Sensor
7 - Fuel Injector 7
8 - Ignition Coil 7
9 - Fuel Injector 5
10 - Ignition Coil 5
11 - Fuel Injector 3
12 - Ignition Coil 3
13 - Fuel Injector 1
14 - Ignition Coil 1
15 - Fuel Injector 2
16 - Ignition Coil 2
17 - Fuel Injector 4
18 - Ignition Coil 4
19 - Fuel Injector 6
20 - Ignition Coil 6

Rear of Engine Components (LS4)

Rear Of Engine:

1 - Ignition Coil 7
2 - Throttle Actuator Control (TAC) Module
3 - Ignition Coil 8
4 - Ignition Coil 6
5 - Ignition Coil 4
6 - Ignition Coil 2
7 - Heated Oxygen Sensor (HO2S) 1
8 - Knock Sensor (KS) 2
9 - Crankshaft Position (CKP) Sensor
10 - Engine Oil Level Switch
11 - Valve Lifter Oil Manifold (VLOM) Assembly

Left Rear of Engine Compartment Components (LS4)




1 - Brake Booster Vacuum Sensor
2 - Brake Booster
3 - Brake Fluid Level Switch

Transmission Components

Internal Electronic Component Location:

10 - Vehicle Speed Sensor (VSS) Assembly
315a - 1-2, 3-4 Shift Solenoid (SS) Valve Assembly
315b - 2-3 Shift Solenoid (SS) Valve Assembly
322 - Pressure Control (PC) Solenoid Valve Assembly
334 - Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid Valve Assembly
391 - Transmission Fluid Temperature (TFT) Sensor
395 - Transmission Fluid Pressure (TFP) Manual Valve Position Switch Assembly
440 - Automatic Transmission Input Shaft Speed (A/T ISS) Sensor Assembly
811 - Lever Assembly-Manual Shaft Detent with Shift Position Switch - Internal Mode Switch (IMS)