6.7 Liter Dodge Cummins 07.5-12 Discussion of 6.7 Liter Dodge Cummins Diesels

5th gear

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Old 02-13-2012, 07:07 AM
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Default 5th gear

Welp guys i am new to the site obviously.. i was on here reading lastnight and it seems to be a lot of great people full of great information. So here goes i bought my truck lil over a month ago at about 200 miles 5th gear in my manual tranny started putting a weird vibration thru the stick that drives me nuts. When the truck is cold it wont do it. When itis warmitdoes it sometimes. If i hold my finger on the shifter and hold back towards 6th gear ever so lightly it is dead silent. Needless to say with1200 miles it is going today to the dealer and theyare pulling the tranny out. They say it is the first time they ever seen such a thing. Anyone know anything about this or have thesame problem. It does it weather you are cruising along, accelerating hard or even if you down shift and letthe exhaust. Brake slow you down....
 
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Old 02-13-2012, 07:52 AM
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i never heard anybody just talk about 1 gear.
 
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Old 02-13-2012, 08:00 AM
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Default 5th gear

Yep only 5th gear ... everything else is dead silent. Only other issues is whentruck is cold it is next to impossible toget out of reverse...
 
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Old 02-13-2012, 05:29 PM
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Mines hard to get out of reverse in the morning too. I've had other sticks that did the same thing, so I figure its normal. Anyone know why????
 
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Old 02-13-2012, 06:51 PM
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i was in -28 last winter never noticed hard in or out of any gear i have noticed my 3rd gear has a rattle/whine but hookin trucks together on pavement and grabbin gears tends to be hard on things heard it pop and still goes good today just has a slight rattle/whine when i down shift to 3rd with clutch engaged but sence i have put 60 k and no probs
 
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Old 02-13-2012, 08:01 PM
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To make matters worse i drove 45 minutes to the dealer today to drop it off so they can drop the tranny and try to fix it...dead silent whole way there
 
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Old 02-14-2012, 12:55 AM
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sounds like your forks arent lined up right for 5th but with a new truck it may take some time to break in had simler problem with both of my 2011 work trucks one was alittle nosier then the other tho but around 5000k on it now and its now quited down now just putting in my 2 cents
 
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Old 02-14-2012, 02:04 AM
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Well when it is in any other gear it is tight cant wiggle the shifter or anything put it in 5th there is probably a good two inches you can wiggle the gear shifter around.
 
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