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Noticed a hiss and while around 1300 rpm in forth gear. Anybody have any ideas or ran across this issue? Truck info 2017 2500 full Drd delete and tune, roughly 16,000 miles sounds like it's coming from under rear seat.
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Also 68RFE trans
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Seems to happen every gear from 1250-1350 rpm. Won't do it at idle. Almost sounds like an air leak coming from the exhaust.
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Anybody? Possible tc? Input shaft bearing? Any ideas... Seems to be every gear at 1350
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Have you checked your hangers and clamps on the exhaust to make sure they are all tight?
2013 Ram 2500
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Yes all tight.
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I think ive noticed what your talkin about. Around 35 to 40 mph most noticable?Originally Posted by Djfundamentalz
2016 2500 slt. 4x4. 20x10 moto metal 970s on 305-55-20. Fully deleted with mm3. 5 inch tbe.
Ya I also happened to have caught it at 60 today in 6th gear driving thru a tunnel where I was also around 1350 rpm
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The noise im thinking of is very faint. Exhaust isnt close to rubbing anywhere sitting still?
2016 2500 slt. 4x4. 20x10 moto metal 970s on 305-55-20. Fully deleted with mm3. 5 inch tbe.
No not touching anywhere. And if you blinking it's out of the rpm range. Almost sounds like a bearing. Similar to the same sound like an old power steering pump would make.
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