Quirky shifting?

[pauldonis]

Have you checked the tire pressure , for the bumpy ride?

Yes, first thing I did because of course the dealer didn’t.

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[JamieP]

Did you ever get this resolved or do you still notice the same behaviour? I got mine in July and I am noticing the same thing, but feel more like it’s a fuel delivery issue as a result of the jerkiness.

I did notice that in Sport mode, it seemed much better than Normal. One of the individuals on this thread mentioned a tune-up but not sure what was involved in said tune-up. Did you try that or talk to the dealer?

Sorry for the late reply. I either got used to the problem or it is not as pronounced now. I feel like it actually improved after a couple weeks of driving. It doesn't bother me at all anymore.

 

[JamieP]

Have you checked the tire pressure , for the bumpy ride?

Yes, tire pressure is fine. The issue felt exactly like when you're slowing down in a standard transmission vehicle, and you forgot to downshift. It really doesn't do it anymore. We'll see if the upcoming cold weather plays a part. Thanks

 

[rlhdweman]

I think this is a Ford transmission thing, my 04 Taurus did this all its life, the first cold shift or 2 & after that it was smooth. I was a bit surprised when my Maverick did this too.

 

[Hillbilly]

There is some good reading here on the transmission. When cold i do notice the 2-3 or 3-4 shift stutter or step but after it warms up there is no issues. Also some information on the shift learning process. I have to do further research to better understand all this unless someone is able to provide the Cliffs-Notes version.

https://advancedtransmission.com/2021/01/12/the-new-ford-8f35-8-speed-transmission/


The 8F35

Ford decided that there was no real advantage to having 9 speeds [[as inherited from the GM 9T / GF9 it is based-on]], and the extra gear added weight and cost that didn’t improve fuel economy. Essentially, Ford decided to remove the 4th gear, among other adjustments. These changes made the 2-3 shift step very small, and the transmission acts as a 7-speed under most driving conditions.


https://gearsmagazine.com/magazine/diagnosing-the-erratic-shifting-fords-8f35-57/

Shift Points

At times the 8F transmissions may skip gears when the vehicle starts from a complete stop. But during quick acceleration, it’ll use more of the available gears, and feel like it’s “speed shifting.” All of this is normal. It’s designed to keep the engine RPM closer to the horsepower peak for the best performance and fuel economy.


But if you think there’s a problem, you can always reset the shift points. Here’s how:


Bring the engine and transmission up to normal temperature. From a stop, accelerate the vehicle to 50 mph with the shifts occurring at approximately 2,000 RPM. Stay in 8th gear for at least 30 seconds or until the TCC applies. Repeat this two times.


Then, from a stop, accelerate the vehicle to 50 MPH with the shift occurring at 3,000 RPM. Stay in 8th gear for at least 30 seconds or until the TCC applies. Repeat this two times, as well.


If the transmission fails to upshift or downshift in a normal manner, you’ll need to further the diagnosis. Refer to the shift speed chart, you’ll be driving at light throttle during this test.

2 words.....sport mode.....

 

[pauldonis]

Sorry for the late reply. I either got used to the problem or it is not as pronounced now. I feel like it actually improved after a couple weeks of driving. It doesn't bother me at all anymore.

Great, thanks. Glad it is feeling better.

 

[bbyBlue]

See mine is doing this type of thing now ! she is at 200 miles tho so I am assuming it will "learn" since the manual says it will shift funny the first couple hundred miles ? My ranger did the same thing and went away after the brake in. It did come back after a while then went away so maybe its a thing the computer dose base on driving ?

 

[Tmsmith]

I’m glad I’m not alone on this. Let’s be honest. The first three gears feel like crap in this thing, and do any of you notice a hard downshift when coming to a stop? I kept thinking something was rolling around in my bed, but I didn’t have anything back there.

My mav has Just under 21k and yes I feel low speed clunkyness and weird downshift feel when coming to a stop. I think it’s just something I’ve gotten used to over time but lately since it’s been colder, I’ve noticed more.

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