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04-16-2019, 03:41 AM | #1 |
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Dct Problem Help
Okay so recently ive been noticing a problem when driving in D. Never does this in M Mode.
I'll have it in drive and sometimes it'll not automatically drop down to D1 when coming to a stop. As you seen in the photo, im completely stopped at a stop sign and its locked on D7. Happened every once in awhile but now its almost every stop... very annoying because i have to put it in neutral and then drive again to get it to D1. Sometimes when coming to a stop it'll stay in whichever gear its in and make a huge clunk noise while stopped as if its trying to downshift or get into a gear but cant. Anyone else experience this before? Or know what could be causing this? |
04-16-2019, 07:33 AM | #2 |
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Yes I have. Its caused by low fluid. BMW didn't lie about the exacting procedure to filling / topping off the fluid. Check for a wet gasket, with is a sign of a leak. Good Luck!!!!
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04-16-2019, 10:17 AM | #3 | |
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what did u do to fix this problem? |
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04-26-2019, 07:42 AM | #4 | |
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I topped of the fluid level, and keeping an eye on it. I'm going to perform the filter change (side and bottom) and replace the plastic oil pan. I have been told that the plastic pan tends to warp, causing the leak. |
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04-26-2019, 11:37 AM | #6 | ||
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04-26-2019, 08:49 PM | #8 |
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04-26-2019, 09:33 PM | #9 |
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I have found the cause to this problem....
"Sometimes when coming to a stop it'll stay in whichever gear its in and make a huge clunk noise while stopped as if its trying to downshift or get into a gear but cant. Anyone else experience this before? Or know what could be causing this? This is due to a internal component failure. I've in fact removed 3 different DCT's and found this issue. If your able to catch it in time the mechatronic wont get permanently damaged. There is a way to test for this condition and further steps can be taken to permanently fix the failure from happening. |
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04-26-2019, 11:27 PM | #10 | |
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For me I have experienced this 3 times and it's during initial drives and the car hasn't warmed up yet and I go over some small speed bumps <15-20 mph and my gears skip 2, 4, 6 after I get passed the bump Then I pull over, turn off and on the motor, I'm all back to normal |
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04-26-2019, 11:51 PM | #11 | |
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04-28-2019, 08:43 PM | #12 | |
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04-28-2019, 08:44 PM | #13 | |
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05-18-2019, 08:36 AM | #15 |
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Anyone else have this issue...? Issue is still occurring.. might just buy DCT transmission service kit for ECS Tuning. And hope that fixes the problem.
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12-23-2019, 09:49 AM | #16 |
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*****UPDATE******* figured out the issue. The issue lies with tire circumference and rotating speeds per mile. I had to replace my rear tires and went with a slightly wider size to match the front which were wider and different profile. I replaced the rears with new 4s's, and the problem went away automatically. I originally had 265/30-19 r 255/30-19f, and replaced the rear with 275/30-19. Who knew that it had a great effect on the Dct operation.
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