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Share your experience with your Automatic Transmission


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Hey guys . I just got it back with a rebuilt transmission and it's great except for the hard kick when shifting from reverse to drive. Is that normal for a break in period . Also, how should I baby it.
 

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Khaki Nitro Nut
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What are your RPMs at? Does it do it after it is warmed up?
Break in, I would follow the instructions by the builder.
 

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If you are having the transmission issue that feels like you are driving over grooved pavement, buy a tube of Trans-X Limited Slip Gear Oil Additive. A Chrysler transmission tech who is familiar with this problem told me to add a tube of this additive to the transmission - do not have to remove any tranny fluid. It totally resolved the problem. He said that the problem is (in my words) the torque converter is catching in spots. This additive stops that from happening. Once added it may take 50 or so miles before it starts working. For me it was almost immediate. My Nitro is a 2008 R/T. Here's a link to the product on Amazon.com: https://www.amazon.com/402508-Trans-X-Posi-Limited-Additive/dp/B000M8Q1D0/ref=sr_1_1?dchild=1&keywords=trans-x+limited+slip&qid=1575154587&sr=8-1
 

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Imma look into it. Eventhough it's a new transmission aka rebuilt I noticed if I slow for a right or left turn, from , let's say, 45 to 10 , then make the turn and hit the gas, it still slips so I have to give it a sec and baby the gas. Or , let's say I feather the gas then release I get a small thump , like a kick.
 

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have you checked the back-lash in the front and rear axels ?.
 
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Khaki Nitro Nut
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Don't remember but, are you 100% sure the trany fluid level is OK?
 
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go under the rig grab hold of the prop shaft and twist it clockwise and anticlockwise, there should be a small amount of backlash between the axle gears, you probably only need to check the rear axle for now unless you where driving in 4WD.

i just assumed with the tranny been new the fluid would be ok, however as ScarO says have it checked, there is no dipstick on the Nitro's trannsmission, it has to be measured using a chart and a temperature sensor
 
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I have transmission that has a shudder when I cruise at 42 to 45 mph with a light load.
It has this symptom but it is driveable. I am waiting for dodge to find a fix for their problems before I take it in.

Because of the amount of concerned Nitro owers on this issue, (I.E. Shifting Problems, Shudder and/or Bog), prompted me to conduct this pole.

Why? To find out how wide spread the problem really is...
I feel, that if there is a big problem with this tranny, We have more Clout as a group of complainants, than as indiviuals.
On the other hand, if these probems are found on a small number of vehicles and they are making progress to correct it, all the better!

If you own a Nitro SXT or SLT with the AUTOMATIC TRANSMISSION, Choose whichever issue best reflects your experience, then submit your comments in the Reply field.
Thanks!
I am having this issue as well. I found that if you shut off the traction control the shudder vanishes. Making me wonder if a wheel speed sensor is reading incorrectly part of the time and causing it to fight itself going down the road...the traction light doesn't flash when it is shuddering but it definitely goes away when i shut off the traction.....anyone else find this happens too? Any ideas as to what it is when this is going on?
 

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Khaki Nitro Nut
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I am having this issue as well. I found that if you shut off the traction control the shudder vanishes. Making me wonder if a wheel speed sensor is reading incorrectly part of the time and causing it to fight itself going down the road...the traction light doesn't flash when it is shuddering but it definitely goes away when i shut off the traction.....anyone else find this happens too? Any ideas as to what it is when this is going on?
Hum that is interesting. Most of the time this is related to torque converter partial lock up.
Usually in that case a Neg(-) battery disconnect for ten minutes will set the trany in learn mode. Then drive it like you stole it for about a week and shutter is either gone or greatly reduced.
You see the Nitro learns driving habits and if the rig is new to you, it may still be using the previous drivers habits which are not like yours.
But you may be on to something with your testing...
 
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