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2009
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Cayenne S (9PA) V8-4.8L
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Cooling System
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Radiator Cooling Fan
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Description and Operation
Radiator Cooling Fan: Description and Operation
Control of Electric Radiator Fans
The DME control unit also activates the two drivers for the electric radiator fans in order to achieve infinitely adjustable control.