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Old 05-08-2019, 06:10 PM
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HVAC fan always running even when car is turn off

so my HVAC fan always running even when car is turn off, can anybody help


https://www.youtube.com/watch?v=LWsmj23Hpx4
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Old 05-08-2019, 06:20 PM
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Quote:
Originally Posted by Takimo View Post
so my HVAC fan always running even when car is turn off, can anybody help


https://www.youtube.com/watch?v=LWsmj23Hpx4
The main cabin fan? Sorry I canít watch your video right now. If yes, your final stage resistor is bad & needs to be replaced. Unplugging it will stop the fan
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Old 05-08-2019, 06:34 PM
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+1. FSU/FSR


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Old 05-08-2019, 10:25 PM
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not the cabin fan , its a little fan inside the HVAC/climate control
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Old 05-08-2019, 10:37 PM
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It's to monitor the cabin temp. It likely runs any time the car isn't sleeping


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Old 05-08-2019, 11:19 PM
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Originally Posted by andrewwynn View Post
It's to monitor the cabin temp. It likely runs any time the car isn't sleeping


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+1

Hell mine kicks on the instant I open the door and the car wakes up, but then again it can reach 60c in some places.

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Old 05-09-2019, 04:23 AM
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not the cabin fan , its a little fan inside the HVAC/climate control
Totally normal. Like has been stated, it starts running as soon as you unlock the car and continues to run for some time after the car is stopped. Is does eventually stop...
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Old 05-09-2019, 12:34 PM
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HVAC fan always running even when car is turn off

Leave the window down and lock the car twice (to disable the motion sensor). Come back after 16 minutes it should be off.

My fan is silent but works or my auto temp wouldn't. (also the navel lint I have to clean out of its intake is a clear indication). Maybe the problem is the fan bearings are shot?

Stick your head in and listen for the fan and look for the light at the shifter
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Old 05-09-2019, 03:22 PM
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i have battery that not last long issue so i was wondering if this was the cause, i change like 4 batterie in the last 6 year, try every single brand (battteri always died in winter), and the mechanic did almost everything he can to fix that; repairing ground and rusty cable..
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Old 05-09-2019, 05:09 PM
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i have battery that not last long issue so i was wondering if this was the cause, i change like 4 batterie in the last 6 year, try every single brand (battteri always died in winter), and the mechanic did almost everything he can to fix that; repairing ground and rusty cable..
this little fan is NOT your issue. look elsewhere. check to make sure your interior lights shut off after 16 mins after your vehicle key is turned off and removed. If not you have a bad GM which is constantly drawing power.
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