A-91 Manual Trans 1st gear click

[swrdply400mrelay]

Yes, sometimes not always. I have only 6,800 miles. No mods just Downpipe but for sound purposes, I still haven't sent my ECU.

Oh ok, I'm still at 160 miles, lol, it's been raining so I avoid driving it in the rain. I was wondering may be because I'm not done with break-in period, but you definitely are.

In my other car, once I changed the transmission fluid to Redline after 10k miles, it shifted much smoother. Wondering if that will help. If not, may have a shop bleed the clutch.

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[Goko]

I've experience this as well but it doesn't happen too often. I usually just select 2nd and go back into first. I also noticed the gauge will flash between N and 1st during this, but it will never fully go into first since it seems blocked. Not sure what could be causing this...

 

[tjvelez]

I am also having this same exact issue. 24 MT. Brought car just now to dealership to have them take a look. Anyone figure out what the problem is yet?

 

[AndyK5]

Gonna necro this thread, I had this exact same issue for 6-7 months or so, started around 3k miles and it still has it. I changed the trans fluid and it got better or I’ve got used to it not sure. I had it pre and post cdv removal.

 

[lucky phil]

None of this is an issue. It's a manual gearbox and they all have their idiosyncrasies. Having to release the clutch and have a second shot at selecting first gear at a stop occasionally is pretty common on may gearboxes esp medium duty boxes like the Supra has. Tremec T56 gearboxes used to pop out of first with quite a bang when you were tardy and didn't push it all the way in after it baulked on the syncro. First had a slightly longer travel into gear than the others and if you weren't concentrating or were rushed and it balked a little on the syncro you'd stop pushing the last 1/4 inch and it wouldn't be fully in gear. It let you know when you released the clutch though, lol.
With M21 boxes you couldn't even select second gear for at least 3 or 4 miles when the gearbox was cold because it wouldn't go in until the oil was warmed up. People used to run ATF in them to make it better. My gearbox gets a bit balky going into 4th around town sometimes if I'm a little lazy with the shift and clutch. I know why it happens and it's no big deal.
Phil

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