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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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09-13-2021, 06:36 PM | #1 |
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MT issues when stopped
Sometimes I really struggle to get back into first after stopped and in neutral with the clutch out. Curious if my trans is dying or maybe I have some bushing issues.
Didn’t really start until I put the SC in. This is why I ask about bushings as I can really feel the flex difference. 95k miles on the car for reference. New clutch in past 5k miles. |
09-13-2021, 06:52 PM | #2 | |
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Mine does the same it’s NA but sometimes in stop and go traffic I gotta almost force it in first. Or put it in 2nd then 1st. I think our cheap shitty cars just have shitty gear boxes. Sent from my iPhone using Tapatalk |
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09-13-2021, 08:09 PM | #3 | |
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Looking at alternatives. Any recommendations from the community? I see stage 1,2,3 stock MTs on Ebay with Cusco 1,2 gears and carbon fiber syncros in 1,2, but not much more. And I don't see a good explanation to differentiate the stages in the description. Stage 3 is 2x the Stage 2 price, but the descriptions match. Do the later model 16-21 models use the same trans. Another issue leaving me a lot of homework to do. Any cliff notes appreciated. |
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09-13-2021, 08:18 PM | #4 | |
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Not sure if the newer models do but I would assume because for the most part all they did was change intake manifold interior and exterior. Something that did improve my shifting though I got some shift springs from mtec and a shift bushing it made everything more clicky and smoother but still occasionally shifting into 1st I gotta either force it or go from 2nd to 3rd. I’m sure someone else will be able to give info on an aftermarket solution though besides what I said. Sent from my iPhone using Tapatalk |
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09-13-2021, 09:32 PM | #5 |
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Does it grind when you try to put it in reverse? If so, it's more of a clutch problem than transmission.
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09-13-2021, 10:10 PM | #6 |
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whenever it doesn't go into 1st at a stop, i just drop it to 2nd and go back to 1st before clutch-out. usually moves the synchro's enough to get to 1st.
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09-13-2021, 11:23 PM | #7 |
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Was it an ACT clutch? Have you played with the clutch pedal height?
Very unlikely to be bushing related. Very likely to be clutch related.
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09-14-2021, 07:22 AM | #8 |
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Mentioned this in several threads but the problem gradually went away like this:
new tranny fluid > MTEC shifter springs > whiteline/perrin shifter insert/bushing combo > 1 piece aluminum driveshaft - this last one is what really did it.
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09-14-2021, 11:43 AM | #9 |
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Replace the shifter lever bushings at the transmission with Delrin Cosco or Torque Solutions ones. I have no issues entering 1st now and all gear shifts are like butter.
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09-14-2021, 12:49 PM | #10 | |
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Try shifting a VW or an older Porsche for that matter. See if you can guess what gear you're in. If you can get it in gear. |
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09-14-2021, 01:30 PM | #11 | ||
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Quote:
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Also, what transmission oil are you running?
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09-14-2021, 05:53 PM | #12 |
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Yeah going into first is brutal sometimes. But my car has been doing that since day 1 brand new and I’ve since put 162k miles on the original transmission. I notice that sometimes if I put constant pressure on the shifter it will slide right into first. These issues are only normal when the transmission is cold though.
Also a weird thing with my transmission is that on cold starts the transmission will not go into reverse. I usually put it into 1st, drive a couple inches forward, and then bam somehow reverse is unlocked. Also putting it into 2nd sometimes unlocks reverse. Just some of the things I’ve learned to live with… |
09-14-2021, 06:43 PM | #13 |
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for update, I'm losing easy shifting in first, second and reverse at a stop. Clutch lifted and idling in neutral. It really came on after the SC install, so I suspect bushings, it was nominally good before that.
I suspected it coming on quickly was due to bushings, I'll get some more bushing work before I replace the trans. I just had Torque Solution motor mounts, KDT922, KDT925 and KDT923 bushing kits installed. Needed them for SC upgrade, movement was off the charts and I had a lot of wheel bucking/hop. Gone now, feels really good. Shift issue persists, but I didn't expect that to be resolved as I was after another issue that I figure caused this one to begin with. Back to the parts boards, thanks for the guidance and experience on these matters. |
09-14-2021, 08:32 PM | #14 |
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@jeepmor glad you got your bushings set in.
You probably need to do a clutch engagement adjustment. After I did my bushings job at 130k miles, I did a minimal clutch adjustment, maybe a half turn and had much better time getting into gears. |
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