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  #1  
Old 02-07-2012, 11:51 PM
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talgozzine talgozzine is offline
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Default Please Help! 2012 Ram whistling noise

Hey guys, just got a brand new 2012 Ram a few weeks ago and since the beginning there's been a faint whistle or whine noise that I can't seem to pin point, here are the details:

- Its an "air" sound, not a grinding or mechanical sound.
- Noticable at 1100 -1200RPMs only when not applying the gas, just when cruising 30-40mph and the RPMs drop to this level.
- Only happens while driving, not idling.
- I've open closed all the doors, made sure the windows are up, tried opening and closing heat vents, turning the heat up/down and everything inbetween etc. and no change.
- If I press the button to put the truck to a lower gear, like 2-3, the RPM's go up and the noise immediately disappears.
- Had the dealer check this and they told me the noise is normal, its the MDS kicking in. However the noise is there with the ECO on and off, seems to have no effect to me. I put the truck into 4th gear, ECO goes off and it will still make the noise at 1100 - 1200 RPMS.

Any thoughts? Its pretty annoying and it seems the dealer isn't going to help much or at least I'll have to harass them to check further.

Thanks in advance!
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Old 02-08-2012, 12:38 AM
Xiaro Xiaro is offline
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I have this exact same problem on mine that I was going to the dealer to see, it happens coasting around 50-60km/h ONLY with the gas pedal engaged though (opposite of you). its super anoying =(
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Old 02-08-2012, 09:48 AM
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Mine WILL do it with the gas pedal very lightly applied as well I think. If I'm on a flat road and it starts to whistle, I can set the cruise control and it will keep on whistling down the road, so i think its applying a little gas at that time and it still whistles. Any heavy pressing of the gas and it immediately goes away. This makes SOME sense for if it were MDS, but i can drop it to 4th or 5th gear on the shifter and MDS/ECO goes off but the whistling noise still will occur as long as the RPMs are in the 1100 - 1200 range. And yes, very annoying and kinda ruining the "new car" experience for me.
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Old 02-08-2012, 03:04 PM
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torque converter
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Old 02-08-2012, 03:26 PM
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Ok, so if its the torque converter is this normal or is it a problem?
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Old 02-08-2012, 04:25 PM
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I know on the older models they had an issue in the 1400-1700 rpm range that stated the torque converter should be replaced, there was a TSB for it. Idk about the 2012 year model. I am more of a "go till she blows" type guy, with 100,000 miles of warranty I'm not in a hurry. Someone should be along shortly to address this better, I was merely trying to provide a search term for you to google to see if it fit your symptoms.
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Old 02-08-2012, 04:49 PM
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I though the torque converter was more of a growling sound between those RPM's. I also thought the 2012 was addressed with a different torque converter....interesting.

I remember reading somewhere on this forum that the antenna sometimes caused a whistling sound but I also remember someone saying ICE on the antenna was the culprit. It's a long shot....highly unlikely but throwing it out there. Especially since winter never really arrived here in NY.
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Old 02-08-2012, 05:15 PM
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Fat1, thank you for the search term, I guess anything's possible. I did do some searching and there's various info on whistle/whine noises from torque converters. I find it hard to believe thats the sound though, it just sounds very "airy", making me think intake, vacuum hose, etc. but i have no idea.

HeyBrownDog, its definitely not the antenna since if i press the gear down to 3rd or 4th and the RPM's go up, the sound immediately stops.
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Old 02-08-2012, 06:02 PM
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The only thing that fits the bill is the rpm change affecting the sound. From my understanding that was classic torque converter issue. It would seem if it was wind related then opening or closing of vents or changing from defrost to face to feet would change the noise as well. I am not a mechanic and I cannot stress this enough I don't have the answer, I'm just reading what you're writing and trying to provide directions for searching.
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Old 02-08-2012, 08:02 PM
ohcnda ohcnda is offline
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any chance you have installed a cai? i found that my k&n made a wistle noise at certain intervals
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