Engine Cooling - Overview (G1791726): Overview

WARNING: This page is about a different car, the 2015 Jaguar XF, 2014 Jaguar XF, and 2013 Jaguar XF. However, it is still accessible from the selected car via links, so may be relevant.

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

Heating for:
- The passenger compartment.
  Refer to: Heating and Ventilation (Climate Control, Description and Operation).
- The throttle body.
Cooling for:
- The engine oil cooler.
  Refer to: Engine (V6 S/C 3.0L Petrol, Description and Operation).
- The Automatic Transmission Fluid (ATF) cooler.

The primary components of the engine cooling system are the:

Coolant pump.
Electric thermostat.
Radiator.
Electric cooling fan.
Coolant expansion tank.
Engine oil cooler.
Outlet tube and heater manifold.
Connecting hoses and pipes.
An auxiliary radiator is installed on vehicles in hot climate markets, to increase the engine cooling capacity.

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.