Cooling System Component Views

Fig 1: Full Engine View - Left Side - 4.8L, 5.3L, 6.0L

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Manifold Absolute Pressure (MAP) sensor
2	Fuel Pressure Regulator
3	Positive Crankcase Ventilation (PCV) Valve
4	Left Bank Ignition Coils
5	Engine Oil Pressure (EOP) Sensor
6	Engine Coolant Temperature (ECT) Sensor
7	Throttle Position (TP) Sensor
8	Throttle Body
9	Idle Air Control (IAC) Valve
10	Evaporative Emission (EVAP) Canister Purge Solenoid

Fig 2: Engine View - Upper Right - 8.1L

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Engine Harness
2	Manifold Absolute Pressure (MAP) Sensor Connector
3	Engine
4	Engine Coil Harness Connector
5	Engine Coil Connector
6	Engine Coolant Temperature (ECT) Sensor Connector

Fig 3: Engine Coolant Temperature (ECT) Sensor Component View - 4.3L

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Bank 1 Cylinder Head
2	Engine Coolant Temperature (ECT) Sensor