AC was making a loud noise and bad smell - Nissan Murano Forum
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post #1 of 7 Old 05-13-2019, 08:11 AM Thread Starter
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AC was making a loud noise and bad smell

At one point when I turned on the AC, there was a strange noise, I could feel the dash vibrate, the bad noise went away, but its still louder than it should be, when I first turn it on, there is a bad smell coming out, any help would be great

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post #2 of 7 Old 05-13-2019, 09:29 AM
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What does it smell like?

Check your cabin air filter. There may be a rodent nest in there...

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post #3 of 7 Old 05-13-2019, 10:37 PM
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True story...previous Mo, a 09, made a similar shaking sound and bad smell. Found a dead mouse inside the fan housing. Couldn’t get the smell to go away. Finally sprayed a diluted bleach solution inside the fan housing. That worked!
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post #4 of 7 Old 05-23-2019, 08:08 PM Thread Starter
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Originally Posted by MuranoSL2003 View Post
What does it smell like?

Check your cabin air filter. There may be a rodent nest in there...

Im more concerned sbout the noise
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post #5 of 7 Old 05-23-2019, 09:01 PM
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Noise is possibly a leaf got in there. I've had that happen in the past. My in cabin air filter got a small hole in it and one of those really tiny leaves fell in and was rattling in the front window defrost vent. (the ones we used to pickup as kids and let them fall down like helicopters... I hope I'm not alone on this one)
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post #6 of 7 Old 05-23-2019, 09:03 PM
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This......
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post #7 of 7 Old 05-24-2019, 06:33 AM
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Originally Posted by artsoto View Post
Im more concerned sbout the noise
Knowing what it smells like may help us troubleshoot the cause of the problem... I mentioned checking your cabin air filter for a rodent nest because sometimes they chew through the filter, and the filter sits about the ventilation fan so stuff the rodent carried in could be making the noise...

See attached photo from my 2003.
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