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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.


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Old 03-20-2024, 03:31 AM   #1
Lucky21
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Auto transmission issue

Scanned my car and got code p2757. Cleared the code and car shifted fine. Went to my tuner for revisions to my tune and suddenly my car started shifting like this. Car is boosted with greddy t620z turbo kit. [URL="http://https://youtube.com/shorts/qbeDAAs3Q-g?si=J_eNYYWOgGak-RN_"]
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Old 03-22-2024, 02:59 PM   #2
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Old 03-22-2024, 03:01 PM   #3
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But do try changing the transmission fluid. And while you're there, change the diff fluid if you haven't recently.
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Old 03-25-2024, 05:44 AM   #4
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https://youtube.com/shorts/qbeDAAs3Q...I0ILAhvqnO_iZP
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Old 03-25-2024, 05:45 AM   #5
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Originally Posted by tyler_win_photo View Post
But do try changing the transmission fluid. And while you're there, change the diff fluid if you haven't recently.
I changed both fluids last december.
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Old 03-25-2024, 03:43 PM   #6
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Sounds like the extra torque may be putting more strain on the transmission than it was intended to, which might cause mechanical problems. Also, the problem could be your torque converter clutch pressure control solenoid as heard in the video, it sounds like a little bit of gear slippage. Even with the codes cleared the issues may not be resolved.
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Old 04-01-2024, 10:15 AM   #7
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Thank you for the input i’ll try to source the solenoid.
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