Jolt in AT shifting to second Gear at 7000rpm - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

jxl00 · 04-03-2016, 02:02 PM

Was wondering if anyone else has experienced this.

In 2014 firs AT in manual mode. In first gear around 7000rpm about to shift to 2nd gear, I feel a huge jolt almost as if car is stalling. Did I not shift in time or is something else going on?

Sorry if this is a noob question

whataboutbob · 04-03-2016, 02:30 PM

You probably hit the rev limiter before it made the shift. On the OEM tune the rev limiter is a hard limit. It'll cause the motor to bog if you hit it.

FRSBRZGT86FAN · 04-03-2016, 02:42 PM

Quote:

Originally Posted by jxl00

Was wondering if anyone else has experienced this.

In 2014 firs AT in manual mode. In first gear around 7000rpm about to shift to 2nd gear, I feel a huge jolt almost as if car is stalling. Did I not shift in time or is something else going on?

Sorry if this is a noob question

Quote:

Originally Posted by whataboutbob

You probably hit the rev limiter before it made the shift. On the OEM tune the rev limiter is a hard limit. It'll cause the motor to bog if you hit it.

Given that it's a 2014 and he could possibly be on original fluid, an ATF flush would probably be near.

N1rve · 04-03-2016, 04:14 PM

Do you get the feeling of the car pulling you back? If you do, I have that on my 2013 if I drive it hard in M Mode. I could also chirp in 2nd doing that (I feel like my transmission has an issue but I had it inspected recently and no issues).

jxl00 · 04-03-2016, 09:19 PM

I do feel the car pulling back. It happened only twice so far. If you have any ideas let me know

shiumai · 04-03-2016, 09:50 PM

Yup, sounds like bouncing off the rev limiter to me.

Wayno · 04-05-2016, 09:12 PM

Quote:

Originally Posted by whataboutbob

You probably hit the rev limiter before it made the shift. On the OEM tune the rev limiter is a hard limit. It'll cause the motor to bog if you hit it.

This. Working as intended.

frs23 · 04-08-2016, 11:39 AM

before concluding did jx see the rev warning red light come, exactly where the revs were if you were playing close attention to the tach, and for an AT car shouldn't you get all the way up to 7600rpm before cutoff ?

jxl00 · 04-08-2016, 05:42 PM

i thought the rev was at 7000. did not see an indicator light go on. I could be wrong though. I hope it's not an issue. If it happens again, i'll be sure to update. I just wanted to see if this was an issue many people had and it seems like it is not.

frs23 · 04-08-2016, 07:32 PM

if needed, for your peace of mind, you can just try to reproduce it. Rev it until it hits the limiter and see if it feels the same to you. No harm done

04-03-2016, 02:02 PM	#1
jxl00 Member Join Date: Sep 2014 Drives: scion frs 2014 Location: boston Posts: 67 Thanks: 1 Thanked 4 Times in 4 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Jolt in AT shifting to second Gear at 7000rpm Was wondering if anyone else has experienced this. In 2014 firs AT in manual mode. In first gear around 7000rpm about to shift to 2nd gear, I feel a huge jolt almost as if car is stalling. Did I not shift in time or is something else going on? Sorry if this is a noob question

04-03-2016, 04:14 PM	#4
N1rve Senior Member Join Date: Oct 2013 Drives: 2019 BMW ///M4 Location: Los Angeles, CA Posts: 2,332 Thanks: 102 Thanked 1,167 Times in 714 Posts Mentioned: 28 Post(s) Tagged: 0 Thread(s)	Do you get the feeling of the car pulling you back? If you do, I have that on my 2013 if I drive it hard in M Mode. I could also chirp in 2nd doing that (I feel like my transmission has an issue but I had it inspected recently and no issues). __________________ N1rve 2019 BMW ///M4 - Alpine White \| Sakhir Orange/Black Leather \| M-DCT \| Executive Package \| 19" Black 437M Wheels \| Carbon Fiber Trim \| Sunroof \| Active Blind Spot \| Heated Steering Wheel \| Adaptive M Suspension

04-03-2016, 09:50 PM	#6
shiumai Senior Member Join Date: Mar 2013 Drives: 2013 DGM BRZ, 2020 C8 Corvette Location: USofA! Posts: 1,760 Thanks: 963 Thanked 1,893 Times in 787 Posts Mentioned: 41 Post(s) Tagged: 1 Thread(s)	Yup, sounds like bouncing off the rev limiter to me. __________________ My DGM BRZ vid: https://www.youtube.com/watch?v=0OL9OhxexAA My car journal thread: http://www.ft86club.com/forums/showthread.php?t=43402

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04-03-2016, 09:19 PM	#5
jxl00 Member Join Date: Sep 2014 Drives: scion frs 2014 Location: boston Posts: 67 Thanks: 1 Thanked 4 Times in 4 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	I do feel the car pulling back. It happened only twice so far. If you have any ideas let me know

04-08-2016, 11:39 AM	#8
frs23 Member Join Date: Apr 2012 Drives: FR-S H Lava Location: So California Posts: 68 Thanks: 17 Thanked 4 Times in 4 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	before concluding did jx see the rev warning red light come, exactly where the revs were if you were playing close attention to the tach, and for an AT car shouldn't you get all the way up to 7600rpm before cutoff ?

04-08-2016, 05:42 PM	#9
jxl00 Member Join Date: Sep 2014 Drives: scion frs 2014 Location: boston Posts: 67 Thanks: 1 Thanked 4 Times in 4 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	i thought the rev was at 7000. did not see an indicator light go on. I could be wrong though. I hope it's not an issue. If it happens again, i'll be sure to update. I just wanted to see if this was an issue many people had and it seems like it is not.

04-08-2016, 07:32 PM	#10
frs23 Member Join Date: Apr 2012 Drives: FR-S H Lava Location: So California Posts: 68 Thanks: 17 Thanked 4 Times in 4 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	if needed, for your peace of mind, you can just try to reproduce it. Rev it until it hits the limiter and see if it feels the same to you. No harm done

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