The Infamous 2nd Gear Crunch

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LammyCTR

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I have a 2019 with ~750 miles on it. I've noticed the grind likes to happen when shifting fast and straight from 1-2. It never happens when I go from 1st, down and quick pause, then into 2nd.
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I have a 2019 with ~750 miles on it. I've noticed the grind likes to happen when shifting fast and straight from 1-2. It never happens when I go from 1st, down and quick pause, then into 2nd.
@LammyCTR
What I would recommended to you.,is try replacing the cable bushing, them adjust the gap between the clutch pedal and the clutch master cylinder, just a just that little free play in between , and finally you can swap the transmission oil for Amsoil Asyncromesh . The other mod who make the pedal more responsive and precise is the slave clutch cylinder delay valve removal.

I did all the mods , and what really works for me with the grinding gears was the cable bushing and the pedal and master cylinder gap adjustment.
 

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Just wondering: is there a TSB from Honda? Are the cable bushing being replaced by a better version or is it up to the owner to take action?
 
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Just wondering: is there a TSB from Honda? Are the cable bushing being replaced by a better version or is it up to the owner to take action?
no bulletin, these are just people replacing with aftermarket parts
 

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the first 3k the trans is very tight and notchy i would suggest you do not bang gears until its broken in. also change the fluid afterwards. im close to 6k now and the trans is buttery smooth. i also changed the fluid to torco rtl. only downside is it dont like cold temps so it gets very notchy but once warmed up the trans shifts like butter.

I have a 2019 with ~750 miles on it. I've noticed the grind likes to happen when shifting fast and straight from 1-2. It never happens when I go from 1st, down and quick pause, then into 2nd.
 


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the first 3k the trans is very tight and notchy i would suggest you do not bang gears until its broken in. also change the fluid afterwards. im close to 6k now and the trans is buttery smooth. i also changed the fluid to torco rtl. only downside is it dont like cold temps so it gets very notchy but once warmed up the trans shifts like butter.
Mine didn’t get smooth until about 12k, but I also didn’t swap out any fluids or anything. Haven’t had any issues since 12k either (no grinds or pop outs).
 

Typer94

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I have a 2019 with ~750 miles on it. I've noticed the grind likes to happen when shifting fast and straight from 1-2. It never happens when I go from 1st, down and quick pause, then into 2nd.
I also have a 2019 type r (number 23k something lol) and I also have a second gear grind. I’ll admit...it has only happened like 4-5times (850miles) and only happens I’ve noticed when I’m running hard as I can and change fast near redline. Now I guess most would say “ so don’t run it hard” but I mean... although I rarely do it.. it’s the point I bought a type r and no car should do it lol. I’ve heard people put aftermarket parts on it to fix it(I’m mechanically declined) and also heard it goes away after awhile. So idk what to do. If I knew it wasn’t harming the car I couldn’t care less.
 

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IMO, shifting faster than the synchros can handle it is probably not an indication of something defective. The people who are having the problem are shifting relatively gently.
 

Typer94

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IMO, shifting faster than the synchros can handle it is probably not an indication of something defective. The people who are having the problem are shifting relatively gently.
I agree with you partly, however I’ve had many and many of vehicles, them all sports cars and all manuals.. and for this car to be a track car yet be the only one to make this grind... I consider it a problem, in my opinion.
 

tinyman392

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IMO, shifting faster than the synchros can handle it is probably not an indication of something defective. The people who are having the problem are shifting relatively gently.
Negative from me. Whenever it happened I was shifting fast. For me, it would occur more on a 2-1 downshift than a 1-2 upshift. It hasn’t happened in about 8-9000 miles though.
 


Gansan

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Negative from me. Whenever it happened I was shifting fast. For me, it would occur more on a 2-1 downshift than a 1-2 upshift. It hasn’t happened in about 8-9000 miles though.
Agreed--my transmission at 5000 miles was a lot smoother than when it was new.

Unfortunately I think this whole thread is a mashed together ball of all the possible problems combined. It is a combination of defective transmissions, user error, mis-adjusted clutch, and I'm sure other issues.

Something that I was thinking of the other day was I don't hear of the CTR transmission having dual-cone synchros. Does it have them? (Dammit, I wish they would publish a Helm service manual so I can look this stuff up.) The B16/B18 and the previous K20 drivetrains had them and I think it helps make for those buttery shifts.
 

Typer94

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I agree with you partly, however I’ve had many and many of vehicles, them all sports cars and all manuals.. and for this car to be a track car yet be the only one to make this grind... I consider it a problem, in my opinion.
I guess a better way to put it.. is if the synchros can’t handle the gear change in a brand new 40
Negative from me. Whenever it happened I was shifting fast. For me, it would occur more on a 2-1 downshift than a 1-2 upshift. It hasn’t happened in about 8-9000 miles though.
hmm mine is only on upshift and only when I’m floored and change fast. Other than that every gear shifts sooo smooth. Even upshifting to second normal driving is great(and yes I’m 100% sure the clutch is fully pressed down). So yeah, I can just never drive hard until after second gear, and maybe I’ll never have a problem occur.. but as stated before.. I didn’t really buy a 40k track car to be limited because of a defect!
 

Kevin S.

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I guess a better way to put it.. is if the synchros can’t handle the gear change in a brand new 40

hmm mine is only on upshift and only when I’m floored and change fast. Other than that every gear shifts sooo smooth. Even upshifting to second normal driving is great(and yes I’m 100% sure the clutch is fully pressed down). So yeah, I can just never drive hard until after second gear, and maybe I’ll never have a problem occur.. but as stated before.. I didn’t really buy a 40k track car to be limited because of a defect!
Yup ! i didn't buy a "fasted fwd" blah blah blah - sporty car to have 2nd gear grinding issues, overheating issues on the track, etc.

Honda simply dropped the ball on the transmission issue. If they don't fix it i will be dumping this car asap !

If i can't go to an autocross/track/time attack/etc and drive this car the way the engineers designed it then why i do have the car ? I hate fixing stuff from the factory when it's completely stock.

Autocross and time attack - no overheat but the 2 times i've gone - i grinded 2nd every single time !

Track events - Slight overheat here in colorado during a balmy high 60's ambient temp. I can't imagine what this pos will do during a warm summer day.

Not happy with honda. My corvette, my wifes fiesta st and many other "sporty" cars - (all stock mind you) have no issues.

I have heard of the gt350 overheating on the track so at least we are not alone.

Honda fix this crap please.
 

LammyCTR

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I also have a 2019 type r (number 23k something lol) and I also have a second gear grind. I’ll admit...it has only happened like 4-5times (850miles) and only happens I’ve noticed when I’m running hard as I can and change fast near redline. Now I guess most would say “ so don’t run it hard” but I mean... although I rarely do it.. it’s the point I bought a type r and no car should do it lol. I’ve heard people put aftermarket parts on it to fix it(I’m mechanically declined) and also heard it goes away after awhile. So idk what to do. If I knew it wasn’t harming the car I couldn’t care less.
I've also only had it happen to me about 5 times but at both low and high rpms. I've been shifting more gently from 1-2 and it hasn't happened for another 100 miles. All the other gears are like butter. Hopefully driving more and breaking in the car will stop the grinding issue. I want to avoid having to change out parts on the car if possible. If driving more doesn't fix the issue then we have to hope there's a TSB or something for it. :dunno:
 

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My 2018 Type R w/ 1000 is still free from this problem, which leads me to believe the same might be true here as it was with others who had an EVO, when i was on those forums.
My EVO IX MR 6 speed - which i still have; swapped the whole drive train in favor or shepard racing trans., tc, and rear diff - never ground in any gear. A lot of people did have this problem though, i believe it had to be user error because i beat that trans for 63K miles without a hiccup.
BUT, i did something most people wouldn't do, for whatever reason, i would change the trans fluid EVERY SIX MONTHS, or every time the seasons change. I'll be dropping the car off at Honda for an oil change and drive train fluid swap.

I will admit this, my Type R trans is silky smooth, but it was smoother with no miles on it.
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