truck dies when I shift into gear.
10-05-2011, 01:57 PM
#1
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truck dies when I shift into gear.
Hey all.
So I just got my new trans in. 2nd built trans. First one was from DTT, this one Is from a local but respected trans shop. It's a 47re with triple disk, shift kit, billet flex plate and in put, 3rd gen intermediate and out put.
My problem is in the morning when it's cold, trans temp 60's ambiant 50's, I start up let it run for a minute or two literally, drop it into drive and truck dies. Back to park starts up fine, shift to drive dies. This will happen 3 or 4 times before the truck will keep running. Happens if I try straight to reverse too.
After the first start up of the day it won't do it again. Seems to only be when it's been cold and sitting over night. Which makes me wonder about winter head aches.
It's been at the trans shop for two days and they can't get it to die like it was on me. I recorded it doing it on my phone and showed em. So they've seen it do it. But don't have any Ideas. Never had this issue before thIs trans
Any of you?
So I just got my new trans in. 2nd built trans. First one was from DTT, this one Is from a local but respected trans shop. It's a 47re with triple disk, shift kit, billet flex plate and in put, 3rd gen intermediate and out put.
My problem is in the morning when it's cold, trans temp 60's ambiant 50's, I start up let it run for a minute or two literally, drop it into drive and truck dies. Back to park starts up fine, shift to drive dies. This will happen 3 or 4 times before the truck will keep running. Happens if I try straight to reverse too.
After the first start up of the day it won't do it again. Seems to only be when it's been cold and sitting over night. Which makes me wonder about winter head aches.
It's been at the trans shop for two days and they can't get it to die like it was on me. I recorded it doing it on my phone and showed em. So they've seen it do it. But don't have any Ideas. Never had this issue before thIs trans
Any of you?
10-05-2011, 02:22 PM
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sounds like i am reading an old post of mine!!!
i have the EXACT same issue - and only started happening after my triple disc/full billet rebuild. my trans shop also could not replicate it, even after sitting overnight in the winter! they went through it anyway, and could not find any issues with the trans.
actually that's not all true - before the build my truck would stumble a bit but never stall out. after the build, when it's cool out it will stumble, when it's cold it will stall.
only happens when temps are low, and like you say, only on the first start up of the day. i could literally drive it 50', shut off and try again without any issues!
i am guessing the built tranny is just uncovering a different problem . . . my guess is a weak or dying vp44 which just isn't strong enough to keep the motor running when the torque is applied just simply from dropping into gear. i hope it is something else less expensive though!
i never really got any answers or advice when i was inquiring. i settled on the fact that it was a weak vp . . .
maybe someone else knows???
i have the EXACT same issue - and only started happening after my triple disc/full billet rebuild. my trans shop also could not replicate it, even after sitting overnight in the winter! they went through it anyway, and could not find any issues with the trans.
actually that's not all true - before the build my truck would stumble a bit but never stall out. after the build, when it's cool out it will stumble, when it's cold it will stall.
only happens when temps are low, and like you say, only on the first start up of the day. i could literally drive it 50', shut off and try again without any issues!
i am guessing the built tranny is just uncovering a different problem . . . my guess is a weak or dying vp44 which just isn't strong enough to keep the motor running when the torque is applied just simply from dropping into gear. i hope it is something else less expensive though!
i never really got any answers or advice when i was inquiring. i settled on the fact that it was a weak vp . . .
maybe someone else knows???
10-05-2011, 09:26 PM
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What kind of codes are you looking at? I would start from the codes and go from there. My vp44 went bad and the truck acted the way you describe. But I had codes that supported a bad vp44.
10-06-2011, 07:47 AM
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it is the tight/low stall speed TC.
you can do a couple of things.
bump up the idle (which will might mean you'll need both feet on the brake at a stoplight to hold it back)
Replace the TC with something looser/less efficent
Learn to work around the issue.
you can do a couple of things.
bump up the idle (which will might mean you'll need both feet on the brake at a stoplight to hold it back)
Replace the TC with something looser/less efficent
Learn to work around the issue.
10-06-2011, 11:14 AM
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so far, i have just learned to deal with it.
i let it warm-up when i have time.
if i don't have time, then i just let it run till it smoothes out and then rev it up lightly and shift into gear as the rpms fall from the rev-up and as soon as it is in gear i rev it lightly again to keep it from stalling out. it's all a timing thing here, and the colder it is, the harder it is.
another trick i have done works only when parked on an incline. i just shift into neutral and then once its rolling steadily i shift into the appropriate gear to keep rolling down the incline. this works great and barely even stumbles. also, say i need to shift into reverse to keep rolling with the incline - i can usually stop then shift into drive with no issues afterwards . . .
these 'workaround' methods are not ideal - but they'll work until i find a better solution, if one is available.
i let it warm-up when i have time.
if i don't have time, then i just let it run till it smoothes out and then rev it up lightly and shift into gear as the rpms fall from the rev-up and as soon as it is in gear i rev it lightly again to keep it from stalling out. it's all a timing thing here, and the colder it is, the harder it is.
another trick i have done works only when parked on an incline. i just shift into neutral and then once its rolling steadily i shift into the appropriate gear to keep rolling down the incline. this works great and barely even stumbles. also, say i need to shift into reverse to keep rolling with the incline - i can usually stop then shift into drive with no issues afterwards . . .
these 'workaround' methods are not ideal - but they'll work until i find a better solution, if one is available.
10-06-2011, 11:18 AM
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Yes Doj I knew I had read something about this before. I did a search but couldn't find the thread.
I have no codes, the tc is a medium stall.
The trans shop also told me I could bump up the idle.
I had thought about going to A low stall but the shop said medium stall would be better to work with for towing plowing and at my elevation.
I can't stand this though it's too annoying. If change in idle doesn't help, I might have to go to low stall after all.
I have no codes, the tc is a medium stall.
The trans shop also told me I could bump up the idle.
I had thought about going to A low stall but the shop said medium stall would be better to work with for towing plowing and at my elevation.
I can't stand this though it's too annoying. If change in idle doesn't help, I might have to go to low stall after all.
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10-06-2011, 01:42 PM
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Yea mine is a triple as well, not sure how tight it is though.
It appears I can't just turn up the idle. I've tried every different Way goin tiny bits at a time but with the idle turned up at all, the truck will stay running when I turn the key off.
GONna talk to the trans shop and see if I can swap back to a low stall tc.
It appears I can't just turn up the idle. I've tried every different Way goin tiny bits at a time but with the idle turned up at all, the truck will stay running when I turn the key off.
GONna talk to the trans shop and see if I can swap back to a low stall tc.
10-06-2011, 08:21 PM
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They want me to bring it in tomorrow so they can reset the idle.
They said it has to be done with the star screw under the intake horn AND in the computer. Anyone heard of that being done?
Why they didn't do that to see if it made the difference Last time it was there is beyond me.
They said it has to be done with the star screw under the intake horn AND in the computer. Anyone heard of that being done?
Why they didn't do that to see if it made the difference Last time it was there is beyond me.
10-08-2011, 01:35 PM
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So I got the truck Back. It's a little better now, still will stall the truck when cold, but it has to be colder now over before. I think it's just gonna be a new thing to deal with. Least the truck is gettin me around again.
Thanks for your info and knowledge guys. And especially doj, I've been doin the rev before and after gear and it helps a lot.
Thanks for your info and knowledge guys. And especially doj, I've been doin the rev before and after gear and it helps a lot.
10-08-2011, 02:35 PM
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good to hear it's a bit better.
and yeah the rev-ups sure help once you get the hang of it. kinda' like a very light neutral drop i guess . . .
oh yeah forgot to ask earlier - any idea on what the health of your vp44 is like right now?
and yeah the rev-ups sure help once you get the hang of it. kinda' like a very light neutral drop i guess . . .
oh yeah forgot to ask earlier - any idea on what the health of your vp44 is like right now?
10-09-2011, 11:31 PM
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No idea on my vp. I don't have any codes. I've ran out of fuel half a dozen times over the years. 5 of em where last fall when my fuel sensor was going out and I'd run out of fuel without the low fuel light and a quarter tank left according to the gauge.
That's the only thing I can think of that might've damaged it. But never had any other issues.
That's the only thing I can think of that might've damaged it. But never had any other issues.
10-18-2011, 08:02 AM
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Hey Doj, when you do your rev trick... after you put it in gear are you able to JUST rev it? Or keep your foot on it for a few seconds after drop into gear?
Last few mornings it's been mid 30's in the morning and if I only rev it before and after drop into gear, it'll still die. I'm having to keep my foot on it for a few seconds after drop into gear.
That just seems like it's only a matter of time before it starts taking a tole on things cause I'm basically power breaking it with everything COLD, just real softly.
Last few mornings it's been mid 30's in the morning and if I only rev it before and after drop into gear, it'll still die. I'm having to keep my foot on it for a few seconds after drop into gear.
That just seems like it's only a matter of time before it starts taking a tole on things cause I'm basically power breaking it with everything COLD, just real softly.