GM to recall more than 461,000 vehicles over transmission issues, NHTSA saysBy Reuters

[edyvw]

Don't think so, none of ours hunt, and the one in our Durango didn't hunt, though it did have a firm shift into 2nd every time it was cold. None of the V8's have done that. I've owned 6x ZF 8HP's at this point, but only one of them was behind a gas V6. (3x GC SRT, 1x Durango 3.6L V6, 2x RAM 1500's, one gas, one diesel).

I was thinking JEEP, not Stellantis products. I drove Durango etc. never saw issues.

 

[OVERKILL]

I was thinking JEEP, not Stellantis products. I drove Durango etc. never saw issues.

Grand Cherokee is a Jeep product, and a platform mate to the Durango (WK2). Could be Wrangler specific?

 

[edyvw]

Grand Cherokee is a Jeep product, and a platform mate to the Durango (WK2). Could be Wrangler specific?

Yeah, that is what I was referring. I think it is Wrangler.
All ZF8 versions like all transmissions have unique programming for specific platform. IMO ZF8 is gold standard pretty much for anything: programming, reliability, speed. But, that doesn’t mean it fits all platforms perfectly.

 

[proffittmarke]

My GM 10L1000 and my GM 10L80 are both great transmissions and don't shift around, similar to my ZF-8. I have had no problems with any of them.

I have racked up 110K miles on my 2022 Sierra. Had the dealer flush it first round at 70K miles for $420 and had them add BG ATC for 8,9,10-speed transmissions.

I changed the pan fluid today myself. 4 quarts of Valvoline ULV on sale at NAPA for $6.49/qt. Took 1 hour. Sucked pan till empty (4 qts.), then pumped in 4 qts. Saved over $400 for a total ⅓ fluid change. The old fluid was dark brown.

 

[Mtnbiker]

Sad that they changed the software to alert you to a problem that will still exist ? epic fail GM. I suspect they are in damage mitigation mode right now since I havent seen a legit fix for this other than replacing the faulty designed valve by dropping the valve body. This also is essentially the same trans and valve body across all the gas 10 speeds as well but apparently the problem isnt quite as widespread presumably due to the lower TQ load. My guess (and I would love to see what the experts think) is that the design is similar across all 10 speeds including the imposter "Allison" units in the GM HD trucks. This is just further evidence that Allison didnt really design this turd box but rather they sold out and told what bandaids GM needed to get it out the door.

The ford 10R80 is a PROBLEM also. GM and Ford made the turdo together.

 

[Mtnbiker]

Ford seems to have fixed their 10speed issues while GM seems not up to the task. This was the very same joint Ford/GM venture correct? I'm glad I have the 6R80. Doesn't hunt gears, smooth even when cold and overall pretty good transmission. I don't like how the 10hunts for gears in a friends F150 and 2 friends with SIlverado's have issues with a 2022 and 2023.

NO Ford has definitely NOT fixed their 10 speed transmissions. Unless you call ignoring it and fighting in court a fix.
My 10r80 already started having problems at 2000 miles and finally it got so bad that Ford eventually put a new 10r80 transmission in my 2022 into STOCK Mach 1 handling package with 9000 miles on it.
Last time it was at the dealership it sat from November 19, 2024 to February 10, 2025 and no loaner car. In my opinion, Me trying to deal with the dealer and Ford was equal to having to buy the car again multiple times.
They just kept telling me that the software and firmware needed to be upgraded and the transmission just needed to learn how I drove, etc.
I do love my car though, for the small amount of time that it does function properly.

 

[NibbanaBanana]

The Chevron deference was already overturned. So bring back the 4 speed automatics!

How about the four or five speed manuals? Dealer told me people don't know how to drive them anymore. The five speed manual in my Chevy Aveo is still working perfectly at 264K miles.

 

[Opelman]

Guys complain about CVT's-in lieu of CVT's you are going to have multi speed transmissions shifting all the time. This is the world we live in until somebody comes up with a better idea.

My 10 speed in my 2023 Silverado half-ton shifts very smoothly-compared to the piece of garbage 10 speed in the 2020 F150 I traded in with only 43,000 miles on it.

I have a better idea, how about a transmission that the driver has sole total control over. Maybe controlled with a lever of some sort to physically engage the gear ratio desired. With today's technology, we can figure this out.

 

[4WD]

Yeah, that is what I was referring. I think it is Wrangler.
All ZF8 versions like all transmissions have unique programming for specific platform. IMO ZF8 is gold standard pretty much for anything: programming, reliability, speed. But, that doesn’t mean it fits all platforms perfectly.

Many have the 850RE like mine. Going to do 2nd fluid swap at 40k in a few weeks and include the OEM pan filter this time …
(20k change had fully loaded magnets)
Then run that for much longer …

 

[CKN]

I have a better idea, how about a transmission that the driver has sole total control over. Maybe controlled with a lever of some sort to physically engage the gear ratio desired. With today's technology, we can figure this out.

We need to go back to manual or semi manual transmissions (DCT?). The take rate would be less than 5%.

https://en.wikipedia.org/wiki/Ford_PowerShift_transmission


The use of cheaper, lighter and simpler dry clutch packs in lower-end models of the transmission ultimately led to the demise of the PowerShift name.

The gearboxes with dry clutch packs were used in the Fiesta, Focus and EcoSport. Dry clutches are designed to be used in manual transmissions, and are known to have very peculiar engagement properties, unlike wet (oil-bathed) clutches which are much smoother in operation, and have a higher tolerance for slipping the clutches as they have better heat dissipation. This all makes wet clutches better suited for use in DCTs, and thus Ford experienced problems with models of the transmission which used dry clutch packs.

It was another disastrous Ford transmission BTW.

 

[D60]

I have a better idea, how about a transmission that the driver has sole total control over. Maybe controlled with a lever of some sort to physically engage the gear ratio desired. With today's technology, we can figure this out.

Honestly, today the manufacturers' biggest beef would be having to design physical linkages. It's way easier to put a "lever" at your hand (or feet, hello throttle by wire) and run a flexible wiring harness.

I know you were kidding, but I find it kinda disappointing we're slowly forgetting how to elegantly connect things physically. A well-designed linkage is a piece of art....