Aisin hard shift 2nd to third - Dodge Cummins Diesel Forum
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post #1 of 10 (permalink) Old 03-26-2019, 09:54 AM Thread Starter
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Aisin hard shift 2nd to third

2018 Laramie 3500 4x4 dually, bone stock for now. I have noticed every now and then I will get a hard shift into 3rd gear, but lately it seems to be doing it a lot. Less throttle at shifting makes it worse.
When towing I have a shutter on takeoff, but not unbearable, hard shift into 3rd gear, and a chirp into 4th.
Anybody else have issues with there Aisin?


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post #2 of 10 (permalink) Old 03-26-2019, 10:01 AM
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yep, that is what it does sometimes.

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post #3 of 10 (permalink) Old 03-26-2019, 11:44 AM
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I don't see those problems on my 2015 model. Perhaps test drive a new truck and see if it is your driving style. If it does not do it, take yours to the dealer and have them diagnose drivablity issues while it is still under warranty.


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post #4 of 10 (permalink) Old 03-26-2019, 12:24 PM
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There are a couple of threads on here discussing the chirp into 4th. My truck also occasionally has the 4th gear chirp ; apparently it is fairly common and not a serious concern.

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post #5 of 10 (permalink) Old 03-26-2019, 12:34 PM Thread Starter
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Yeah, I’m not concerned about the chirp, done it since day one. The real concern is the hard shift into 3rd. I bought it new, the hard shift happened rarely in the beginning, but starting last week, at about 33000 or so it’s doing it almost every time. Just curious if anyone else has had the consistent hard shift into 3rd come on like this? And what the Fix ended up being?
Thanks

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post #6 of 10 (permalink) Old 03-26-2019, 02:20 PM
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I remember how perfect my 07.5 shifted from day one what makes them change things when something works so good,now this new one shifts kind of weird and you have to letup on the pedal for it to go into 6th. But if they left good enough alone they would be out of work.

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post #7 of 10 (permalink) Old 03-29-2019, 03:50 PM Thread Starter
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HOPEFULLY ITS FIXED!!!
This thing has had an incredibly annoying hard shift from 2nd to 3rd, for the last week. The dealership just did a relearn on the tranny, and it shifts like it did when I bought it. I’ll update after I put some miles on it. Just Incase anyone else is having this issue!
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post #8 of 10 (permalink) Old 04-10-2019, 10:39 PM Thread Starter
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5k miles since the relearn, and shifts better than it did from new!
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post #9 of 10 (permalink) Old 04-12-2019, 09:25 AM
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Wow I'm taking mine in then......

Thanks for the post.

Shifts are poor in my truck, and on cruise at 55-57 it will constantly hunt from 5th-6th gear on flat road.

Only 2 months left of 3/36 where they would do a TSB, it's stupid that even with the 5yr/100k new TSB's won't be free after 3/36.

18k miles and overall love the truck; but it's always something that isn't quite right.....

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post #10 of 10 (permalink) Old 04-12-2019, 11:08 PM Thread Starter
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Hopefully it will help yours. I almost didn’t get an auto because I like to be in control, and can’t stand a truck that hunts for a gear, but I’ve been satisfied with mine, for the most part.
I’d definitely get your dealer to do the relearn.

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