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2004 G35 radiator fan doesn’t cycle off

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Old Mar 3, 2022 | 10:22 AM
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Infinity g35 coupe
2004 G35 radiator fan doesn’t cycle off

Hey, I’ve been having problems with the cooling fan running constantly after it warms up. I don’t know if it’s the motors on it or the fan relay. I ran a diag for the check engine light and nothing came up. I’m thinking either a bad relay which means I’m going to the junk yard since you can buy one or I’ll get new fan motors for it. Any advice would be greatly appreciated.

thank you!!
 
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Old Mar 6, 2022 | 09:38 AM
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If your AC button is on those fans will be locked on to high speed. It's supposed to run the fans on high full time if the AC is turned on.
 
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Old Mar 6, 2022 | 11:44 PM
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Originally Posted by cleric670
If your AC button is on those fans will be locked on to high speed. It's supposed to run the fans on high full time if the AC is turned on.
Yes you are correct. When the school comes on so does the fan. But this isn’t related to the ac. It’s when the ac is off and running at operating temps. I’ve changed my coolant sensor twice and thermostat as well. As well as paid a shop to get the air out of my cooling system. I’m taking it into a shop tomorrow. They said it would take them about an hour to fix it. I’ll post the results
 
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Old Jun 16, 2022 | 05:38 AM
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Originally Posted by SkylineDriver89
Yes you are correct. When the school comes on so does the fan. But this isn’t related to the ac. It’s when the ac is off and running at operating temps. I’ve changed my coolant sensor twice and thermostat as well. As well as paid a shop to get the air out of my cooling system. I’m taking it into a shop tomorrow. They said it would take them about an hour to fix it. I’ll post the results
Any info on this issue? My fans run all the time and they are pretty loud.
 
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Old Jun 16, 2022 | 12:27 PM
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Originally Posted by DLR06G35X
Any info on this issue? My fans run all the time and they are pretty loud.
i went to infinity and bought an oem coolant temp sensor. Problem solved
 
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