E40D upshift issue
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Senior User
Joined: Jan 2007
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From: Mexico
E40D upshift issue
I just got my first powerstroke, a 1997 dually. The truck upshift's from 2nd to 4th often bypassing 3rd. Even when towing up hill. It will only stay in 3rd if I really have my foot down. Is this normal?
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Joined: Oct 2016
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Mine (I have 2 each 97 dually's with E4OD's) both will do that same exact thing. (Usually mine will hit 3rd -but just for a second or two...)
I try not to push my RPM's if possible - and that's when the skip happens.
But if I put put my foot into it - just a little - they go into - and stay in 3rd until a normal shift into 4th.
I have driven mine for 10 years - and I still don't always get my foot just right to keep em from skipping.
I guess it's normal - I have 2 of them that do it...?
I try not to push my RPM's if possible - and that's when the skip happens.
But if I put put my foot into it - just a little - they go into - and stay in 3rd until a normal shift into 4th.
I have driven mine for 10 years - and I still don't always get my foot just right to keep em from skipping.
I guess it's normal - I have 2 of them that do it...?
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Joined: Oct 2016
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That could be what's happening z31
On both of mine - It's as if there is another gear - it's like - from 1st, to 2nd is always a little drawn out with a slightly hard shift. Then from 2nd to 3rd it's like it hits a gear - then jumps into 4th - but I'm actually still in 3rd... - then it gently (actually) shifts smoothly into 4th (OD)
cornking-
One of my trucks is stock and does the above.
The other truck has the older Edge programmer installed (lowest setting) and it makes the 1st to 2nd shift real long and drug out with a harder shift than the stock truck.
But the 2nd to 3rd to 4th shifts are the same in both.
On both of mine - It's as if there is another gear - it's like - from 1st, to 2nd is always a little drawn out with a slightly hard shift. Then from 2nd to 3rd it's like it hits a gear - then jumps into 4th - but I'm actually still in 3rd... - then it gently (actually) shifts smoothly into 4th (OD)
cornking-
One of my trucks is stock and does the above.
The other truck has the older Edge programmer installed (lowest setting) and it makes the 1st to 2nd shift real long and drug out with a harder shift than the stock truck.
But the 2nd to 3rd to 4th shifts are the same in both.
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Joined: May 2013
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Yeah, many folks feel the torque converter locking up and think that's a shift into another gear. The interplay between the lockup clutch and third gear and fourth gear / overdrive can be misleading as to what's going on down there.
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From: Mexico
This is a new truck for me and I am just putting her to work. I am not sure of anything. I am on that learning curve.
I always had manual tranny's. I would like to be able to hold that gear after 2nd when I am on a steep climb. There doesn't seem a way to manually do it. Or is there?
I always had manual tranny's. I would like to be able to hold that gear after 2nd when I am on a steep climb. There doesn't seem a way to manually do it. Or is there?
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Senior User
Joined: Jan 2007
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From: Mexico
I will give it a try and pay better attention when I do the steep climb this weekend.
How do I tell the difference between a gear shift and TC locking up?
How do I tell the difference between a gear shift and TC locking up?
More Turbo
Joined: Feb 2004
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From: North Branford
The RPM will drop when the converter locks.