Radiator Cooling Fan: Description and Operation
FAN/RADIATORDESCRIPTION
3.7L ENGINE
The radiator cooling fan used on the 3.7L engine is an electrical fan and is integral to the fan shroud.
4.7L ENGINE
The radiator cooling fan used on the 4.7L engine is a hybrid design. The hybrid fan system consist of a low speed viscous driven mechanical fan and a electrical fan.