Description And Operation: Overview

The engine cooling system maintains the engine within an optimum temperature range under changing ambient and engine operating conditions. The system is a pressurized coolant expansion tank system with continuous bleeds to separate air from the engine coolant and to prevent the formation of air locks.

The engine cooling system also provides:

• Heating for:
  • The passenger compartment.

    For additional information, refer to: Heating and Ventilation / Fuel Fired Booster Heater .

• Cooling for:
  • The engine

    For additional information, refer to: Engine .

  • The oil cooler

    For additional information, refer to: Engine .

  • Turbocharger (Vehicles With Ingenium I4 2.0L Diesel 240PS Engines)

    For additional information, refer to: Turbocharger .

  • Charge air cooler

    For additional information, refer to: Intake Air Distribution and Filtering .

  • The Automatic Transmission Fluid (ATF) cooler - If equipped For additional information, refer to: Transmission Cooling .
  • The Exhaust Gas Recirculation (EGR).

  For additional information, refer to: Engine Emission Control .

The primary components of the engine cooling system are the:

• Variable coolant pump
• Radiator
• Electric cooling fan
• Coolant expansion tank
• Electric thermostat
• ATF cooler - If equipped
• Active grille air shutter - If equipped
• Engine oil cooler
• Connecting hoses and pipes
• Charge air cooler
• Charge air coolant pump
• Charge air radiator.

In cold climate markets, an optional block heater is available as a dealer fit accessory. The block heater is located in the cylinder block and is connected to a power supply via an external plug.

In cold climate markets, an active grille air shutter is installed to reduce aerodynamic drag and engine warm up time.