*UPDATE FROM TOYOTA REP*: Regarding 4th and 5th gear grinding issues...

[overlookedx]

Originally Posted by overlookedx

Yes. It's bad. Just showed up for me at 16k miles. Quick 3-4 shift above 5k RPMs and I get anywhere from minor to awful grinding. I'm thinking a fluid change is in order. This morning while cruising at around 40 mph, I fully depressed the clutch and kept moving the shifter from 3-4.. grind.. grind.. grind.

Update on this for anyone who has these same issues. Took my car into Subaru yesterday and they confirmed the issue, now waiting on word from SOA whether they should rebuild or replace my transmission. It seems like they know about the issue by now cause there were no questions asked and they had no problems replicating the issue.

[Soulman03]

Originally Posted by overlookedx

Update on this for anyone who has these same issues. Took my car into Subaru yesterday and they confirmed the issue, now waiting on word from SOA whether they should rebuild or replace my transmission. It seems like they know about the issue by now cause there were no questions asked and they had no problems replicating the issue.

This is good news. I noticed it almost immediately upon receiving my car and now with nearly 6k miles it's still very obvious shifting from 3 to 4. As someone else said on this thread, the only way to not grind is to be at low RPMs and very slowly and deliberately shift. Under normal load and normal shifting, it grinds every time.

[Rabble]

My service advisor said it was a bad batch of transmissions put in cars and they are slowly weeding them back out. Looks like they know about the issue and are taking care of it.

[mRdeMs83]

So they are replacing problem clutches?

FR-S Hachiroku

[DoomsdayJesus]

Originally Posted by Rabble

My service advisor said it was a bad batch of transmissions put in cars and they are slowly weeding them back out. Looks like they know about the issue and are taking care of it.

Originally Posted by mRdeMs83

So they are replacing problem clutches?

FR-S Hachiroku

So it's a clutch or tranny problem?

Either way, taking mine into the dealer next Thursday, I'll let you know how it goes.

[Suberman]

Originally Posted by Braces

Problem is when you own a new car .... every time it grinds ... you feel a little bit of life is being sucked out of the transmission. Gears wearing prematurely. I hope everyone gets new transmissions. Those with the actual problems ... that is.

Gears don't grind, they are in constant mesh. The grinding sound/feel is the dogs driven by the synchronizers. These lock a gearset to a pair if shafts to transmit the drive. The dogs are designed to take a beating without breaking. No drive forces are taken by these dog teeth if they grind as they must be fully engaged to lock the selected gearset to the driving or driven shaft as the case may be.

[Mikem53]

Originally Posted by Marchy

how many miles, i'm almost up to 10k miles and when cold still get locked out of second at times or a real clunk. Once she's warmed up its just as notchy as the rest of the gears so it feels like its fine. Not buttery smooth like other transmissions but you can totally feel each gear engage.

i think its a normal characteristic of triple gear syncros to be notchy.. especially when cold..
I had the same issues in my TR-6060 and the T56..
My gear crunch to 2nd has improved greatly in 3K miles.. but is still hard to get into when cold.. when it warms up.. its fine.. most of the time.. it keeps getting better with time..
cant say for sure with this tranny.. but it does seem typical of this tranny.

[DoomsdayJesus]

Originally Posted by Mikem53

i think its a normal characteristic of triple gear syncros to be notchy.. especially when cold..
I had the same issues in my TR-6060 and the T56..

I'm grinding into 4th every time at high revs, regardless of temperature. It was doing it after 150 miles of driving over a mountain. It's not normal at all.

[Mikem53]

Originally Posted by DoomsdayJesus

I'm grinding into 4th every time at high revs, regardless of temperature. It was doing it after 150 miles of driving over a mountain. It's not normal at all.

No.. It's not normal.. And I wasn't referring to 4th gear grind.
I believe only 2nd and 3rd gears have the triple cone syncros..
Those are the ones that take time to break in.. I never had a grinding issue in
4th or above.

[DoomsdayJesus]

Originally Posted by Mikem53

No.. It's not normal.. And I wasn't referring to 4th gear grind.
I believe only 2nd and 3rd gears have the triple cone syncros..
Those are the ones that take time to break in.. I never had a grinding issue in
4th or above.

ok, gotcha. I never had any break-in issues, my problem seemed to pop up after a few thousand miles, and I'm only at 5.5k.

[CNYBRZ]

Originally Posted by mRdeMs83

So they are replacing problem clutches?

FR-S Hachiroku

Clutches won't be covered under warranty work.

[husker741]

Originally Posted by CNYBRZ

Clutches won't be covered under warranty work.

Depends. I know someone who had a clutch problem that they replaced. It wasnt worn down, it was a problem.

[Kostamojen]

I talked to my dealer, they said "normal operation" for the chunky gear shifts, and I asked permission to use my own gear oil as long as its within specifications...

So I picked up some Redline MTL on the way home.

[JS86JS]

My gear grind is going from 3rd into 4th.
I couldn't constantly replicate it so I didn't want to go for a road test if I couldn't prove it.

I have found out when it grinds; it does a light grind at 4k rpms (changing from 3 to 4) and then it heavily grinds at 5k rpms and upwards (changing from 3 to 4).
So in short it sucks when I'm racing but if I'm cruising and change at about 2k - 3k I have no problems


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