Cooling System: Description and Operation: Overview

Engine Cooling

Overview
The engine cooling system maintains the engine within an optimum temperature range under changing ambient and engine operating conditions. It also provides:
- Heating for:
- The passenger compartment. For additional information, refer to Heating and Ventilation Description
- The throttle body.
- Cooling for:
- The engine lubrication system.
- The transmission lubrication system. For additional information, refer to Transmission Cooling Description and Operation
- The EGR (exhaust gas recirculation) valve. For additional information, refer to Engine Emission Control Description