Has anyone had a smooth shifting 10 speed? Do they all do the occasional clunk?

Sidewinder said:

Just passed 150,000 miles on my 2017. Had very minor slipping, added

Lubegard 19610 Dr. Tranny Instant Shudder Fixx.​

(https://www.amazon.com/dp/B00337DUEU?psc=1&ref=ppx_yo2ov_dt_b_product_details)
Fixed the issue, might help with your rough shifting.

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ROBERT BONNER said:

I have a 20 MAX FX4 and I am in exactly the same situation as 20Expy. Mine is seemingly random. I can't repeat a harsh shift on a bet. I have 45,000 miles on it and I know i've driven 5000+ at a time without a harsh shift. But, when it does it, I always look in the rearview mirror to see if there are any parts on the pavement, it's that jarring. Because of the long stretches in between, I wonder if part of it is relearning after a big voltage drop on the battery, simulating a disconnect, since mine goes through driving cycles that take the battery down.

My trepidation relative to giving the keys to a dealer borders on clinical paranoia due to previous experiences. In my mind, I literally balance paying for a new transmission at my own expense, installed by me, vs. trying to engage a dealer in a rational conversation about harsh shifting with no codes that can't be reproduced. In 45,000 miles, I've probably experienced 20 or 30 harsh shifts. Always at tip in, moderate speed, mid gears. I've owned more than 70 new vehicles with automatics in 45 years and this one is the worst.

On the other end of the spectrum, I have a '22 F150 FX4 PowerBoost Hybrid with a 10 speed. Best, smoothest, most positive shifting transmission I've driven, ever. With few exceptions I have to watch the tach and the gear indicator to know when it shifts under any condition.

I have a few more months to decide.

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dlcorbett said:

Mines would do an odd shift where it felt like it would get stuck in neutral for a hlf second, then slam into gear, like the computer couldnt decide what gear to go into. Sometimes, it would do some weird low speed shifts from 2 - 5 and down. It would also make a clunk noise during some shifts. When i took it to the dealer, i made a mention of this to them. They reflashed the tranny pcm. The dealer charged me for it because they said they couldn't feel a clunk or odd shift so didnt want to tell the warranty company to cover it. BS! They declined to mention they were going to charge me for the fix until after they gave me my truck back. Anyway, right now, the transmission is creamy with the shifts, nothing odd yet. It's still in the learning phase, so hopefully it can improve the shift feel. I'm trying to get it to learn in all the drive modes I use it in by changing the modes everytime i drive it, so hopefully it's smooth in all modes.

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Mr Big said:

All the dealer did was erase the pcm memory, putting the vehicle into new/learn mode. Next time save the money and do it yourself. I actually do it every 6 months. Huge difference every time. It's amazing how our driving habits affect the performance.

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20Expy said:

That is THE EXACT SAME situation as ours, during tip in and downshifts. I think ours happen more frequent than every 5000 miles, though are softer than you describe. Hard ones are rare. Do you know when yours is built? Ours is built around the end of 2019.

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