2014 Big Horn 8 speed transmission low RPM shudder when cold

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rsfdiver

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70582
Ram Year
2014
Engine
3.6
When the transmission temperature is low (say below 140F), at the beginning of the day, doing 55mph, I get a noticeable, light1/2 second shudder every 3 seconds with a slight rpm rise (1150-1200ish while it thinks about shifting from 8th to 7th gear?). I am hoping it is nothing to worry about and not related to the pan swap/running 800 miles 1.25 quarts low. It has since been properly topped off with the OEM fluid.
Anyone know about whats going on?
Thanks
 
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kelleymark

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Ontario, Canada
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2014
Engine
3.6L
Mine turned out to be bad torque converter. Back order all across North America. Replaced with new and all surging and shudder now gone. ~2K $ to repair.
 
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R

rsfdiver

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is this a common issue for a truck with 90,000 easy miles?
 
ramffml

ramffml

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No, the ZF has a great reputation, but like all things mechanical things can still fail or wear prematurely.
 
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