LR3/Disco 3
cooling. The fan is mounted using a left hand thread.
The viscous fan unit is electronically controlled by the ECM to optimise fan speed for all operating conditions.
NOTE :
ENGINE COOLING SYSTEM OPERATION
Cooling System Coolant Flow, Without Engine Oil Cooler
Cooling System Coolant Flow, With Engine Oil Cooler
If the electrical connections to the viscous fan are disconnected the fan will 'idle' and overheating may result. The
ECM stores the appropriate fault codes in this case.
