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| Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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08-19-2024, 04:55 PM
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#1 |
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Join Date: Sep 2018
Drives: 13 Viper; 14 BRZ; 90 Miata; 18 AMG
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Undid the wrong bolt for trans fluid (bottom bolt)... issues
Man, what a day. I was sick just starting to get better (but far from 100%) so I went to the track. I decided to do a fluid swap for some reason, idk why. I had 90 min to kill so why not.
First, I drained using the bolt underneath the transmission, not the side. It has a torx/star pattern. I didn't notice anything strange or any springs pop out or anything, but I can't figure out if I screwed up anything (Miatas, for example, definitely have "do not open" bolts) Then I put the Miata MTF in there. Doh! Saw that after 2 sessions. Drain and refill. Looked really thin and almost gray- like muddy water kinda. I'm not worried about the wrong fluid causing damage (it was MTL, so it's fine), but the color on it was disturbing for 45 min of driving. Made me concerned I screwed something up with that bolt and metal was shearing into the oil or something. But it felt fine.
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2014 BRZ: WRL Build (GP2) MCS, AP, Motec, race wiring harness, blah blah blah
2014 FRS: Similar WRL Build. Back up / parts / practice race car. 2013 Viper GTS : Tractive Coilovers, ACR sway bars, aero, carbon, exhaust, etc. 1999 NB Spec Miata: 1.8 w/ all the goodies. 2022 CT5 Blackwing: Stock. |
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08-26-2024, 09:07 AM
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#2 |
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Join Date: Jul 2021
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I did exactly the same thing last year.
https://www.ft86club.com/forums/showthread.php?t=153051 There is a ball that goes in there but as far as I can tell the little torx bolt is used for assembly only. I have since noticed that 2nd gear can be quite notchy when cold but is perfect when warmed up. Regarding used the complete wrong fluid in there, I doubt that it would cause any major issues. |
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