Land Rover Discovery: Engine Cooling - Ingenium i4 2.0l Diesel / Description and Operation
COMPONENT LOCATION
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- Expansion tank
- Coolant pump
- Oil cooler
- Fuel cooler
- Heater hoses
- Exhaust Gas Recirculation (EGR)
- Exhaust Gas Recirculation (EGR) cooler
- Charger air cooler
- Transmission fluid cooler
- Cooling fan
- Thermostat
- Coolant pump - electronic
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 expansion tank system with
continuous bleeds to separate air from the engine coolant and prevent the
formation of air locks.
The engine cooling system also provides:
Heating for:
Cooling for:
- The engine.
For additional information, refer to: Engine (303-01B Engine -
INGENIUM I4 2.0L Diesel, Description and Operation).
- The engine oil cooler.
For additional information, refer to: Engine (303-01B Engine -
INGENIUM I4 2.0L Diesel, Description and Operation).
- The automatic transmission fluid (ATF) cooler.
For additional information, refer to: Transmission Cooling (307-02
Transmission/Transaxle Cooling, Description and Operation).
- The exhaust gas recirculation (EGR).
The primary components of the engine cooling system are the:
- Coolant pump - variable
- Radiator
- Electric cooling fan
- Coolant expansion tank
- Electric thermostat
- ATF Cooler
- Engine oil cooler
- Connecting hoses and pipes.
- Cylinder block heater
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.
DESCRIPTION
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Impeller
Shroud
Coolant pump housing
Pulley
Solenoid
The coolant pump is located at the front of the cylinder block. A pulley is
attached to the pump flange.
The pulley is driven by the prim
Fan shroud
Cooling fan motor
Electrical connection
Speed flaps
An electric, variable speed cooling fan is installed in a shroud attached to
the rear of the radiator. The cooling fan is operate
Thermostat housing
Heater element
Temperature sensor
The electric thermostat independently controls the engine coolant flow to
the cylinder head and cylinder block, improving engine warm-up tim
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The clutch pedal position sensor provides the ABS control module with a
continuous measure of clutch pedal position.
The clutch pedal position sensor is attached to the clutch master cylinder.
The sensor is a permanent magnet linear contactless displacement type
sensor.
The signal from the clut
SPECIAL TOOL(S)
PART(S)
REMOVAL
NOTES:
Some variation in the illustrations may occur, but the essential
information is always correct.
Some components shown removed for clarity.
All vehicles
WARNING:
Do not work on or under a vehicle supported only by a jack.
Always support the vehicle o