10 speed clunking and rough shifts

[Beeswax]

Black diamond 2door with 10 speed and 65k miles. Transmission shifting has been terrible. Issues include; clunking when shifting into first coming to a stop, clunking when at low speed letting up on gas and then going back on it, rough shifts from 1-2 and 2-1, harsh or delayed shifts, and probably other things I'm forgetting.

Probably not related, but I recently had to have the rear diff completely rebuilt due to a bad pinion bearing that ruined all the axle and diff internals.

I have reset the transmission and gone through the crazy involved relearning procedure. This pretty much fixed a lot of the problems, but just a couple hundred miles later they are all back as bad as ever.

Is there anything I can do to solve this issue? I'm considering selling the vehicle because of how irritating it is.

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[jehines3]

I’m at 18k and just starting to get the symptoms you describe. The 10 speed seems to be a bit finicky. A few internet videos seem to indicate a clearance issue on the fluid circuit in the trans.

 

[Beeswax]

I’m at 18k and just starting to get the symptoms you describe. The 10 speed seems to be a bit finicky. A few internet videos seem to indicate a clearance issue on the fluid circuit in the trans.

I wonder if degraded transmission fluid might exacerbate the issue? I haven't changed the fluid yet.

What is the clearance issue? I haven't heard of this.

 

[Ducati1098]

Theres a TSB for various shifting concerns. Bring it to a dealer and ask them to perform an accelerated main control break in procedure. Usually fixes a large amount of odd shifts.

 

[1199Ducati]

Black diamond 2door with 10 speed and 65k miles. Transmission shifting has been terrible. Issues include; clunking when shifting into first coming to a stop, clunking when at low speed letting up on gas and then going back on it, rough shifts from 1-2 and 2-1, harsh or delayed shifts, and probably other things I'm forgetting.

Probably not related, but I recently had to have the rear diff completely rebuilt due to a bad pinion bearing that ruined all the axle and diff internals.

I have reset the transmission and gone through the crazy involved relearning procedure. This pretty much fixed a lot of the problems, but just a couple hundred miles later they are all back as bad as ever.

Is there anything I can do to solve this issue? I'm considering selling the vehicle because of how irritating it is.

Ranger problems w/Transmission are related to DTPE EGR sensor. Did you try replacing that?

 

[Beeswax]

Ranger problems w/Transmission are related to DTPE EGR sensor. Did you try replacing that?

That's very interesting, thank you. I have had issues occasionally where I am pulling out onto a road from a stop and the vehicle will pause acceleration for a second before continuing to accelerate. I always thought it was a "searching for a gear " issue, but this seems inline with a bad DPFE EGR sensor.

 

[HotdogThud]

Theres a TSB for various shifting concerns. Bring it to a dealer and ask them to perform an accelerated main control break in procedure. Usually fixes a large amount of odd shifts.

happen to have the number for this tsb?

 

[Ducati1098]

happen to have the number for this tsb?

https://www.bronco6g.com/forum/threads/transmission-issues.72909/page-2#post-2360243

This TSB is only for 21-23MY, but similar diagnostic methods are still the correct way for newer model years also. There’s just no official bulletin.

 

[ClappinCheex369]

That's very interesting, thank you. I have had issues occasionally where I am pulling out onto a road from a stop and the vehicle will pause acceleration for a second before continuing to accelerate. I always thought it was a "searching for a gear " issue, but this seems inline with a bad DPFE EGR sensor.

Did this fix your issue? I just had the same thing happen to me when I was pulling out

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