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CO2Ranger
Well-Known Member
Mine sucks when cold but isn't horrible once warmed up. I still need to check the fluid level and see if it's short some fluid from the factory, but the weather is not cooperating.
Samsquanch
Well-Known Member
Did they check the trans fluid to make sure there was enough? I seem to recall someone a while back had a similar issue and theirs was a little low from the factory. Mine is pretty smooth I wouldn’t call it jerky but does shift a little harder when it’s not warmed up. That aspect is normal for this trans.
docarter
Well-Known Member
The 10 sp. definitely shifts more than your old 4 sp. or 6 sp.
I notice the same behavior in the new Honda 10 sp., and Toyota 10 sp.
Frenchy
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Welcome to the 10R80 automatic transmission!! Itnis its own animal and it definitely takes too long to learn. After I got the Livernois Tow Tune installed I have had no.major issues after the learn process was done
Wytchdctr
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Mine was very clunky. I asked the dealer to check the level when it was in for other work. They claim they did nothing to it but it came back to me shifting much smoother after one shitty 3 to 5th skip shift when first thing in the morning cold. Even that is getting better as I get towards 3k. They warned me away from doing the relearn as it would extend the time of rough shifting.
Big Blue
Well-Known Member
Yet another thread complaining about the 10 speed transmission. Yes the 10R80 is like no other automatic you've driven. It does not like cold, that's why it has a heat exchanger to help it warm up. Yes it does shift alot, it has 10 speeds afterall. Yes its learning curve is different and can take longer than it should. You need to put the truck in as wide a variety of driving situations as possible to get it to learn. It can take 5K-10K to settle out completely. And finally, yes there have been cases of them being under filled from the factory, which causes rough shifting. Yes, many have reported a tune helps too.
Mine with a stock tune at 22K is very smooth, except for the first few cold shifts in the morning. Just give it a little time to get the fluid moving and in all the right places before you take off and you'll find it is a great transmission.
Mine with a stock tune at 22K is very smooth, except for the first few cold shifts in the morning. Just give it a little time to get the fluid moving and in all the right places before you take off and you'll find it is a great transmission.
Wytchdctr
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Comparing the 10R80 to whatever box is in my Kia Sedona. Kia is buttery smooth and always has been.... but would I trust it to tow anything or deal with more than hauling the kids around, No. So after making sure mine did have the right fluid levels - Ill deal with it being grumpy when cold (I am as well) and its other quirks for it being a more robust transmission overall.
Frenchy
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To make you feel better it took roughly 5,000 miles just for mine to get close to learning. The 10R80 is a whole different animal. Most people do complain about the rush shifting at first but after it takes time to learn you should be fine
kieefer
Well-Known Member
Adding mileage helps as mentioned and a tune helps even more.
My tranny was awful when new, vibrations at 1500-2000, slow to down shift to the point of stalling. Biggest problem I see is it’s programmed to shift too soon in order to save fuel and meet Gov standards.
I added a SCT tune pretty early on and then I went with a Unleashed tune. Big difference and the mpgs loss is negligible…. in my case.
I recently went back to the stock tune out of curiosity and I still have a downshifting stall but it is otherwise much smoother than when new. Almost say it’s livable as longer as I don’t need to get out of the way in a hurry.
Sitting at 34k now.
My tranny was awful when new, vibrations at 1500-2000, slow to down shift to the point of stalling. Biggest problem I see is it’s programmed to shift too soon in order to save fuel and meet Gov standards.
I added a SCT tune pretty early on and then I went with a Unleashed tune. Big difference and the mpgs loss is negligible…. in my case.
I recently went back to the stock tune out of curiosity and I still have a downshifting stall but it is otherwise much smoother than when new. Almost say it’s livable as longer as I don’t need to get out of the way in a hurry.
Sitting at 34k now.
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