Cooling System Component Views

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2004 GMC Yukon XL, 2004 GMC Yukon, 2004 Chevrolet Tahoe, 2004 Chevrolet Suburban, and 2004 Cadillac Escalade EXT. However, it is still accessible from the selected car via links, so may be relevant.

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