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Old 12-08-2011, 09:29 AM
TransEngineer TransEngineer is offline
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Originally Posted by sethmark View Post
Great thread... Got a question for TransE....

On my early model 09 1500 with the 4.7 the transmission seems to like to lock and unlock quite a bit at 25-40mph. RPM seems to move around a bit and the trans feels "confused"... but as I'm reading your previous post, since the trans is shifting through the gears correctly and not throwing codes, then its unlikely that there's a problem.

Is this "hunting" a normal thing?
Well, things do get a little confusing in that range, with 2-3 and 3-4 upshifts and downshifts, and the TCC locking and unlocking. For example, tipping into the throttle as little as 6 can generate an unlock in some regions. So if the "confusion" is in response to changes in speed, or changes in throttle position, I wouldn't be concerned.
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