Tow/haul flashing - Page 2 - Ford Powerstroke Diesel Forum
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post #11 of 16 Old 09-09-2019, 08:21 AM Thread Starter
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Just left the shop. I offered to drive while the tech rode with me. Took about 20 minutes but I got it to slip. This time at 75 mph it dropped to 1st gear but I was able to catch it and put it in neutral before it dropped down. Thanks to my sct I was able to see that gear drop. So I turned it off and drove it back to the shop and t came on again and stayed in 5th gear and I drove it straight into their bay so they can use their scanner
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post #12 of 16 Old 09-10-2019, 04:28 AM Thread Starter
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Shop just called saying they are gonna pull the transmission and do an internal inspection of all the parts. They said overdrive was slipping and the trans fluid was cloudy
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post #13 of 16 Old 09-13-2019, 11:07 AM Thread Starter
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Another update... I’m not to familiar with transmissions so I’ll try and e plain what he said. Basically it had an internal seal leak between 3-4 and it wasn’t allowing enough fluid to everything behind it. Said tnats why it would slip in 5th and out of overdrive, he also said it slightly burned the fluid which is the darkish color I saw when I dropped the pan. I asked why it never showed high temps on my sct scanner he was unsure but my guess if maybe the temp sensor location? Not real sure. But the torque converter was also sent off to Houston to be rebuilt
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post #14 of 16 Old 09-19-2019, 10:41 AM Thread Starter
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Just another update. They got my “rebuilt” transmission back in and they said they are having issues with the truck acting like it’s in neutral after 3rd gear, not wanting to shift to the next gear.
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post #15 of 16 Old 09-20-2019, 12:27 PM Thread Starter
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Hopefully the final update. Like the poster before, they said it’s a bad shift solenoid that burned up the clutch or gear. So it’s finally ready and I’ll pick it up monday
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post #16 of 16 Old 09-23-2019, 02:59 PM Thread Starter
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Just got the truck back and got about 5 minutes down the road and got a tow/haul flash. Checked my scanner and it’s p1744, called transmission shop and he said it’s going to shift weird and show some codes until it relearns, just keep driving it. The torque converter was rebuilt according to them. It no longer slips but once I’m at about 50 mph it does take slightly longer than before to go into the last gear or overdrive whatever one it is. 2nd to 3rd gear is a little weird when taking off kinda fast, stumbles for a second, but I chocked that up to the relearning process since it’s not throwing any codes during that
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