RPM drops twice after shifting to 3nd gear at ~2500 RPM - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

anewprelusion · 12-22-2013, 04:57 PM

I'm not sure if it's a real issue, or just my lack of knowledge, but here goes.

I have an AT (...yeah I know), but like to drive it in "M" mode because I like to pretend I have an MT (lol, j/k). Also I like to shift gears as early and quickly as possible (when the conditions permit) in order to save some gas on my daily commute. Anyways, I noticed that when I shift from 2nd to 3rd gear at around 2.5K RPM, the RPM drops twice. Like it shifts from 2nd gear to a nonexisting 2 1/2 gear, and then to 3rd gear. This does not happen when I shift at around 3K RPM (RPM just drops once like normal). Easy solution would be to stop driving like a grandpa and shift at at higher RPM, but I was just wondering if this is normal operation. If so, why is it necessary?

Thanks!

Subie · 12-23-2013, 02:12 PM

It's your lack of knowledge as you put it. The transmission shifts and then the torque converter locks-up. It's not shifting twice.

BlueDubbinTDI · 12-23-2013, 02:41 PM

I have the same thing in 4th in my AT. Its normal from what i understand. It happens to me based on throttle input i think.

cjsporl1996 · 12-23-2013, 03:42 PM

Quote:

Originally Posted by Subie

It's your lack of knowledge as you put it. The transmission shifts and then the torque converter locks-up. It's not shifting twice.

That guy is on the money

12-22-2013, 04:57 PM	#1
anewprelusion Senior Member Join Date: Sep 2013 Drives: 2013 Subaru BRZ Limited Location: California Posts: 148 Thanks: 51 Thanked 86 Times in 46 Posts Mentioned: 8 Post(s) Tagged: 0 Thread(s)	RPM drops twice after shifting to 3nd gear at ~2500 RPM I'm not sure if it's a real issue, or just my lack of knowledge, but here goes. I have an AT (...yeah I know), but like to drive it in "M" mode because I like to pretend I have an MT (lol, j/k). Also I like to shift gears as early and quickly as possible (when the conditions permit) in order to save some gas on my daily commute. Anyways, I noticed that when I shift from 2nd to 3rd gear at around 2.5K RPM, the RPM drops twice. Like it shifts from 2nd gear to a nonexisting 2 1/2 gear, and then to 3rd gear. This does not happen when I shift at around 3K RPM (RPM just drops once like normal). Easy solution would be to stop driving like a grandpa and shift at at higher RPM, but I was just wondering if this is normal operation. If so, why is it necessary? Thanks!

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12-23-2013, 02:12 PM	#2
Subie Señor Member Join Date: Apr 2012 Drives: 2013 SSM DZE BRZ Location: SC Posts: 947 Thanks: 728 Thanked 405 Times in 196 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	It's your lack of knowledge as you put it. The transmission shifts and then the torque converter locks-up. It's not shifting twice.

12-23-2013, 02:41 PM	#3
BlueDubbinTDI Senior Member Join Date: Mar 2013 Drives: 2013 FR-S, 2012 MCS Location: Jax, FL Posts: 1,975 Thanks: 943 Thanked 570 Times in 356 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	I have the same thing in 4th in my AT. Its normal from what i understand. It happens to me based on throttle input i think.

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