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Discussion Starter #1
HI everybody,
There are 2 fans on the radiator of my 2009 Nissan Sentra.
I was told that the 2 fans don't always work at the same time.
One fan works at a certain coolant Temp. and the other one only at an other Coolant Temp(a higher one).
Is this true.
Thank you
 

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NF Mod/Nissan Master Tech
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9,409 Posts
The second is an auxiliary fan. It should come on when the A/C is turned on. It should also have high and low speeds dependent on the coolant temperature.
 
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