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Here is my situation, I got a 2001 f250 back in June and the transmission was slipping when I got it, reverse being the real problem when your on a slight incline you almost had to give it full throttle to go anywhere. WELL I just got the tranny rebuilt this week, its been in the truck for about 4 days, and reverse still seemed soft at first and I started noticing it slipping more and more. I asked the guy who rebuilt it (certified mechanic) whats going on. and he said the computer has to "re-learn" and to watch it another week or so to see what it does. Well today it started slipping even worse, almost as if reverse wasn't there.
My question: is there any truth to the statement "the computer has to re-learn how to shift" I've heard conflicting arguments of his statement being true and the other being complete BS
I'm starting to get really PO'd with the truck and need to know if he's BS'ing me and i need to raise hell or if he's telling the truth and relax a minute.
If it was a newer truck I would say its possible, but being an '01 I really doubt it. I'm a "certified mechanic" as well, but that's in electrical and a/c on medium/heavy duty trucks, not TRANSMISSIONS. Always find out what the mechanic is certified in.
Yes, the computer needs to relearn your driving habits, but it shouldn't slip like that. Hopefully the guy guarantees his work, because it sounds to me like there is still something wrong with the transmission.
On newer vehicles, if you have a trans problem, take it to the dealer, yes it will cost a tad more, but your covered, and the dealer will normally install a ford factory reman trans with all the up dates, Just my 2 cents worth, Take care and have fun, Chellie
"Oh. No I didnt refill your ATF after servicing the transmission. I thought you were going to do that when you got home"
hey it happened to me! lol.....picked up my my truck from the trans shop (reworked 4l80E for my LQ9 swapped 00 silverado) went to back out of parking spot...it barely moved. after going over everything including hooking the computer found out low line pressure. after scratching our heads..figured i would check the fluid. low and behold, it was few quarts low. i learned my lesson not to take to a repair shop where beer cans was stacked to look like a sofa in the corner garage
Yes, the computer does have to relearn it shift strategies, but that's only if it's been reprogrammed or if the battery has been disconnected.
That's absolutely false. The computer in a 2001 does not learn anything at all about shifting. Disconnecting or reprogramming does not cause the computer to have to learn. It's incapable of learning.
Originally Posted by kd0axs
Yes, the computer needs to relearn your driving habits,
No Ford computer learns driving habits.
Later models DO learn, but not 2001, and not driving habits. What they do learn is how long a shift takes from when the computer commands it until the shift has completed. Then it can adjust the shift pressure for next time it makes that shift. But again, the 2001 computer was not capable of doing that.
That's absolutely false. The computer in a 2001 does not learn anything at all about shifting. Disconnecting or reprogramming does not cause the computer to have to learn. It's incapable of learning.
No Ford computer learns driving habits.
Later models DO learn, but not 2001, and not driving habits. What they do learn is how long a shift takes from when the computer commands it until the shift has completed. Then it can adjust the shift pressure for next time it makes that shift. But again, the 2001 computer was not capable of doing that.
Not saying you are wrong, but that completely contradicts everything I've ever been told, even by ASE certified technicians.
However, I can't say that I have ever noticed any difference after disconnecting the battery on any vehicle I've ever owned.
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