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#1
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Auto transmission
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#2
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Sounds like the joys of the transfer case motor... not a big deal unless you have a bad classification resistor and getting the CORRECT replacement was a painful slow process for me, but maybe in your area it won't be bad.
Sent from my SM-A730F using Tapatalk
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"When the Team Chief said.... You're trapped in a hole with nothing but a goat and a slinky, what do you do? Stubby said, I'm not sure but it won't end well for the goat...." ~(Overheard) Last day, Phase 3, Q Course |
#3
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The jerk forward (2-1 slam) is not uncommon and has a few causes (none are related to the transfer case motor, btw).
Were the trans adapatations reset when the software was updated? (I'm guessing yes). It may take a few driving cycles for the adaptations to set back to values that work in youvr trans. Also, many 2-1 slam sysmptoms are fixed by replacing the internal seals (bridge seal and jump seals) inside the trans. And sometimes it takes some valve body work to sort (replacing solenoids etc.).
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Wayne 2005 BMW X5 3.0d (b 02/05) 2001 BMW F650GS Dakar (b 06/01) |
#4
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I've had mine jerk forward when activating the transfer case motor (in park) using my Foxwell NT-510 and after replacing the gear it's never done it again. Not sure why then...
Sent from my SM-A730F using Tapatalk
__________________
"When the Team Chief said.... You're trapped in a hole with nothing but a goat and a slinky, what do you do? Stubby said, I'm not sure but it won't end well for the goat...." ~(Overheard) Last day, Phase 3, Q Course |
#5
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Well, there are some weird software interactions between the trans and the transfer case - maybe that was the cause in your case?
The ZF 6HP26 is used in many cars that dont have all-wheel drive (so no transfer case) and the 2-1 slam is an issue in these cars too...
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Wayne 2005 BMW X5 3.0d (b 02/05) 2001 BMW F650GS Dakar (b 06/01) |
#6
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I hadn't thought about that, plus I ended up with a nuked classification resistor about the same time. So.... that could have been more of the issue.
Sent from my SM-A730F using Tapatalk
__________________
"When the Team Chief said.... You're trapped in a hole with nothing but a goat and a slinky, what do you do? Stubby said, I'm not sure but it won't end well for the goat...." ~(Overheard) Last day, Phase 3, Q Course |
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