Radiator fan - Nissan Forum
QR25 2.5L Engine Engine Discussion: 2002+ Sentra SE-R and SpecV

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post #1 of 3 Old Oct 2nd, 2018, 04:10 PM Thread Starter
Joined: Dec 2017
Posts: 11
Radiator fan

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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post #2 of 3 Old Oct 4th, 2018, 04:21 PM
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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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post #3 of 3 Old Oct 5th, 2018, 08:45 AM Thread Starter
Joined: Dec 2017
Posts: 11
I really appreciate.
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  Nissan Forum > Sentra, Pulsar, NX, B14 200SX > QR25 2.5L Engine

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