Help! Anyone 23 upshift hard with MT Transmission£¿ - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

westchenx · 02-10-2017, 07:56 AM

I have a MY2017 BRZ and now I have driven it about 8000KM.
I found a problem since 1000km that sometimes it difficult to upshift from 2nd to 3rd gear when the engine coolant and engine oil temp don't reach the normal temperature, especially after cold start. The feeling is like something stuck in the 3rd gear and I feel there is a gear crash at the moment the trans lever was pushed into 3rd gear.
Does anyone also have the same issue? Can it be better if I replace the OEM trans oil with a better one? I think it must be the synchron problem because this issue won't happen if I use double clutch. And after the coolant and engine oil reach normal working temperature, the issue also won't happen and the upshift process will be smooth.

bababooey · 02-10-2017, 09:34 AM

take it easy on the car first few minutes to warm up. usually its 1 to 2 shift people have trouble with when cold. new car, if that worried take back to dealer to discuss.

Somerandom18 · 02-10-2017, 10:36 AM

Mine does this too. I've found shifting through all the gears after a cold start a few times helps a lot.

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humfrz · 02-10-2017, 12:58 PM

It just takes a few thousands of miles for the transmission to get broken in.

I suggest you just bear with it for a while, especially when it's cold.

You could change the transmission oil ....... but, personally, I think that just might be a waste of time and money.

humfrz

Ultramaroon · 02-10-2017, 03:36 PM

Upshift quickly but not aggressively. Just do not pause in neutral.

Double clutch downshifts for more comfort but not necessary.

I started noticing a real improvement in the syncros after about 13000 Km. This transmission takes a long time to break in.

westchenx · 02-10-2017, 08:03 PM

Quote:

Originally Posted by bababooey

take it easy on the car first few minutes to warm up. usually its 1 to 2 shift people have trouble with when cold. new car, if that worried take back to dealer to discuss.

Yep 12 upshift has the same condition but I searched in the Chinese forum that most people complain 12 shift roughly when vehicle is cold but seldom complain about 23

westchenx · 02-10-2017, 08:05 PM

Quote:

Originally Posted by Somerandom18

Mine does this too. I've found shifting through all the gears after a cold start a few times helps a lot.

Sent from my Pixel XL using Tapatalk

U mean after a cold start, shifting all gears before moving the car will improve the shift feeling when warming up?

Packofcrows · 02-10-2017, 08:20 PM

2014, yeah normal.

Somerandom18 · 02-10-2017, 08:38 PM

Quote:

Originally Posted by westchenx

U mean after a cold start, shifting all gears before moving the car will improve the shift feeling when warming up?

Yeah. I do it 2 or 3 times just shifting with the clutch in the whole time. It seems weird but it works for my car anyway.

Sent from my Pixel XL using Tapatalk

02-10-2017, 07:56 AM	#1
westchenx Junior Member Join Date: Feb 2017 Drives: Subaru BRZ MY2017 Location: China Posts: 6 Thanks: 0 Thanked 0 Times in 0 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Help! Anyone 23 upshift hard with MT Transmission£¿ I have a MY2017 BRZ and now I have driven it about 8000KM. I found a problem since 1000km that sometimes it difficult to upshift from 2nd to 3rd gear when the engine coolant and engine oil temp don't reach the normal temperature, especially after cold start. The feeling is like something stuck in the 3rd gear and I feel there is a gear crash at the moment the trans lever was pushed into 3rd gear. Does anyone also have the same issue? Can it be better if I replace the OEM trans oil with a better one? I think it must be the synchron problem because this issue won't happen if I use double clutch. And after the coolant and engine oil reach normal working temperature, the issue also won't happen and the upshift process will be smooth.

02-10-2017, 03:36 PM	#5
Ultramaroon 義理チョコ Join Date: Sep 2014 Drives: a 13 e8h frs Location: vantucky, wa Posts: 31,868 Thanks: 52,131 Thanked 36,519 Times in 18,920 Posts Mentioned: 1106 Post(s) Tagged: 9 Thread(s)	Upshift quickly but not aggressively. Just do not pause in neutral. Double clutch downshifts for more comfort but not necessary. I started noticing a real improvement in the syncros after about 13000 Km. This transmission takes a long time to break in. __________________ service manuals

02-10-2017, 08:20 PM	#8
Packofcrows hey you, yeah you <3 Join Date: Jul 2012 Drives: 2014 37J FR-S Location: Monterey County, CA Posts: 2,713 Thanks: 905 Thanked 1,258 Times in 809 Posts Mentioned: 38 Post(s) Tagged: 3 Thread(s)	2014, yeah normal. __________________ Got my TRD wheels and TRD louvers. Thanks!!!

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02-10-2017, 09:34 AM	#2
bababooey Senior Member Join Date: Sep 2014 Drives: BRZ SWP Limited -6MT Location: HillCountry-TX Posts: 421 Thanks: 145 Thanked 158 Times in 103 Posts Mentioned: 2 Post(s) Tagged: 1 Thread(s)	take it easy on the car first few minutes to warm up. usually its 1 to 2 shift people have trouble with when cold. new car, if that worried take back to dealer to discuss.

02-10-2017, 10:36 AM	#3
Somerandom18 Senior Member Join Date: Sep 2016 Drives: 2017 manual BRZ Location: USA Posts: 467 Thanks: 322 Thanked 178 Times in 111 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Mine does this too. I've found shifting through all the gears after a cold start a few times helps a lot. Sent from my Pixel XL using Tapatalk

02-10-2017, 12:58 PM	#4
humfrz Senior Member Join Date: May 2013 Drives: 2013 FR-S, white, MT Location: Puyallup, WA Posts: 29,868 Thanks: 28,790 Thanked 31,816 Times in 16,425 Posts Mentioned: 708 Post(s) Tagged: 2 Thread(s)	It just takes a few thousands of miles for the transmission to get broken in. I suggest you just bear with it for a while, especially when it's cold. You could change the transmission oil ....... but, personally, I think that just might be a waste of time and money. humfrz

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