In my first short trip with Edge on lvl 2 the 1-2 shift is REALLY crappy! I can't really describe it other than it feels like it leaves first and forgets to engage second for a brief moment :eek: and then hits second like Tyson hitting a toddler (which I'm not sure is far off given his other antics). Anyway, it really freaked me out so I set it down to lvl 1 after reading in the Edge manual to "only use level 2 if you are towing a light load" :( (page 11). Which I thought I read somewhere else this was considered about 6k or less.

Since my 5er is around 10k (12k fully loaded) I set it down to lvl 1 and it was still there but not as bad. When I went to stock it was gone.

Any suggestions? I have the Edge (v1.2) set on lvl 2 for everyday driving and the trans has relearned fine.:help:

Your tranny is probably still learning.

I found that mine seems to learn quicker the more aggressive I am with the pedal. Not apesh*t or anything, but be decisive with it and I'll bet it improves.

The Juice comes on with a lot of power at ~1500 RPM and until it learns that transition, it shifts goofy. "Late" is the best way to describe mine.

If you're driving with a really light foot, on my truck I found that turning off the defuel between shifts made shifts more crisp.....it doesn't have to think about "oh hey, shift now, okay wait a second, now gimme fuel, oops, hey I'm gonna shift here in a sec, cut the fuek, ok, now shift, ok now wait, now gimme the fuel" kinda thing.

Make sure she defuels the 4-5 shift all the time. That's the weak one.

Try it and see how it does. It does take some time to learn...some folks say 200 miles. Mine kinda gets the hang of it by repeating a number of shifts through the sequence.

YMMV!

Were you defueling between all shifts, 4th and 5th, or not at all? Also, how hard were you accelerating? Tow haul engaged? JJ :)

I do have it set to defuel during all locked shifts and it was in tow/haul. I have the defuel set because I am a bit paranoid about the tranny but it sounds like I need to change it to only the 4-5.

I tried both moderate and soft acceleration and got the same result. Probably worse with light though. My father-in-law kept thinking I was letting off the pedal which I guess fits the defuel theory. I only towed it home from storage and back - about 10 miles each way.

I was hoping that it was not all relearning 'cause that would SUCK to have to go with that for 200 miles :eek:. Not to mention the wife would be b*tchn' the whole time :mad: . I had to have her disconnect the Juice on the side of the road when v1.0 crapped out on her - that was a fun afternoon!! :rolleyes:
Thanks guys!!

Yeah, 10 miles ain't near enough. If you went through the shift sequence 10 times in 10 miles, that would be different, but if you only did a few sequences, it's still learning. I don't think a 200 mile nonstop drive would do anything at all.....it has to learn how the power is being applied throughout the shift ranges.

I'm not sure if it learns tow/haul separately from normal driving, but when I had my old Juice, all my daily driving was in normal mode, and then I would hit tow/haul (which was set for more HP) and it would act all funny - until I drove around like a wild man in t/h for a day and it improved significantly.

Take your trailer out some afternoon and make it work all the way through the ranges. Mine seems to adapt very quickly when I'm doing the same thing to it all the time. Changing power levels and back and forth as well as going between normal and t/h just seems to extend the confusion. Once it gets to know me, mine clicks them off perfectly.

Driving the truck with a really soft foot sometimes seems to add to its confusion. If I loan my truck to someone, I'll put it in the 60 or 90 mode so that there's a lot more pedal travel - i.e., more "normal" for the average driver. I drive it on the 125 with a hair trigger pedal and if I drive long periods without a good honest romp, it starts to revert back to confusion.

So, as good daily medicine, I make sure I take off hard from a stop or two and it remembers. :D

Geez, ya think I know this truck better than I know my wife ):h

Well I am certainly going to try the shift defuel setting and hope that helps. Basically, the shift was soooo hard and violent:eek: , I was afraid of towing it anymore until I figured it out. It really felt unnecessarily rough compared to the regular relearning I went through with the Edge.

As far as relearning goes, do you have to go through it every time you hook up / unhook?

As mentioned, my defueling was set to 'all locked shifts'. What constitutes whether a shift is locked? IRC it's the converter, but what conditions is it locked vs. unlocked? Do all shifts lock in tow/haul?

Yeah, "locked" means the TC....if you put the attitude in a 4-way display, you can set one of them to show the current gear....and the little "lock" icon shows up, although it's not quite instant.

In normal mode, locking depends on accelerator position, speed, etc.

It will lock a lot more in t/h....especially when you are "on it". I'm not sure it demands locking in every gear if you're driving it real lightly, but if you're on it I believe it locks 'em all from 2 on up. Sometimes you're only in 2 for a very brief moment.

I have hard and violent shifts only when: a) it's cold and expecting all the power to be "on" and it's not, i.e., <140 degrees; and b) when I've bumped it down a level....like going from level 4 to level 2, it bangs 'em because it's expecting more power.

This is the only tranny I've ever driven that works sweeter the more aggressive you are with it. Drive around town in traffic and it's out to lunch sometimes.

That makes sense - Thanks. Yeah, I have noticed the lock icon, but I was never able to link it to specific situations. I also notice the harder shift when its cold, and that is not usually a problem. If it was like that, I would not have been concerned. I will definitely adjust the defueling for all but 4-5 and see what the change is.

Are there any concerns with not defueling the 1-2 and 3-4 shifts on a daily basis? Do I have to worry about burning up the plates? I have seen several posts where the C2's and 3's are scorched and got a bit paranoid.

I did not get the Juice to really make a race truck, but more for that extra bit for towing. So I'm a bit disappointed that I now learn that I should not use level 2 to tow my 5er :(. Although it's nice to have when you want to have a little fun with others.:cool:

D/A Power:
I pull our trailer in level 2 in TH and it shifts smooth as silk when warm, also run the truck in level 3 as daily driver, also shifts smooth as silk.
I did run mine in level 1 pulling for the first trip to let the tranmission learn, the next trip put it one level 2. Hope this helps.

I tow 8k all the time in level 3...defuel all shifts, boost level 3 no issues here.

Been on that setting for about 6 months now. There was no difference in EGT on grades between level 2 and 3 so I bumped it up to 3. Of course I'd also like to have a new tranny...

Try it every way you can to find out what works best for you. It's an adaptive-learn tranny, so it responds to you. I think that's why we see such a wide range of results based on all the parameter changes you can make.

As far as defueling on the lower gears, watch the slip monitor (which I think is the best feature on the thing) and pay close attention when it shifts. If they are nice and crisp and firm and you're not seeing slip, I wouldn't worry about it on L2 or L3. I just noticed on mine that the defueling was making the shifts more choppy. I turned it off and things just smoothed out for me. If you wanna be safe, then by all means turn it back on, but you'll always have the surgey feeling when the fuel is given back to the motor.

Watch your pyro and set your power level accordingly. If you're in hill country, L2 might be more appropriate, but when out on the big road, L3 is probably fine and would give you the extra blast going up on-ramps and passing, etc.

Just remember, watch your monitor, do minimal level changing, and drive consistently, and I think you'll be pretty happy.

this has been some great reading. Thanks for the info provided and the questions asked. Looked into getting that setup but still learning all I can before I get the cash in hand in a few months.

cmc

This is interesting. I have the Juice, but no Attitude. I tow in lvl 1 and drive around in lvl 4. The transmission has always shifted as smoothly as it did before installing the Juice. These trucks just have their own personalities, I guess.

TC

This is interesting. I have the Juice, but no Attitude. I tow in lvl 1 and drive around in lvl 4. The transmission has always shifted as smoothly as it did before installing the Juice. These trucks just have their own personalities, I guess.

TC
Yeah, but IMHO a very important part of the equation is the driver, since the thing is always adapting to you.

When I first put my old non-attitude Juice on, I went to the +60 level and it did the delayed shift thing and I posted here and everyone said "just wait." After even a day of consistent driving, it improved significantly.

Same thing on the new one with the attitude.

TC, what you're saying would indicate that maybe they are learning in each mode independently....because I know if I make big jumps (like from 1 to 4) in the same mode, it most certainly notices. Although I will add that going down in power seems to be less drastic.