Transmission noise when up shifting after hard rev - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

1Cor10:23 · 09-03-2013, 02:58 PM

Hi everyone,

This might be a noob question on MT / search didn't yield many results as I'm finding it hard to determine search terms.

This is my first MT so maybe it's completely normal but whenever I rev hard then clutch to the floor during up shift, I hear a rubbing noise from the transmission. I'm guessing this is just from a slight rub as the clutch disengages while the engine is still speeding up caused by slight lag in acceleration? Yes, my foot is completely off gas when I do this.

I do find that the sound does not exist if I rev hard, wait a few moments before clutching to the floor. It only persists when I rev hard, clutch immediately (but foot already completely off gas).

Any suggestions/confirmations?

Thanks in advance.

xjohnx · 09-03-2013, 03:21 PM

Pressure plate, mayhaps? Any mods? Mileage?

1Cor10:23 · 09-03-2013, 03:22 PM

bone stock, just past break-in although the noise was persistent since I could remember.

09-03-2013, 02:58 PM	#1
1Cor10:23 Senior Member Join Date: Jul 2013 Drives: '13 Whiteout FR-S (M/T) Location: GTA Posts: 1,205 Thanks: 492 Thanked 392 Times in 238 Posts Mentioned: 14 Post(s) Tagged: 1 Thread(s)	Transmission noise when up shifting after hard rev Hi everyone, This might be a noob question on MT / search didn't yield many results as I'm finding it hard to determine search terms. This is my first MT so maybe it's completely normal but whenever I rev hard then clutch to the floor during up shift, I hear a rubbing noise from the transmission. I'm guessing this is just from a slight rub as the clutch disengages while the engine is still speeding up caused by slight lag in acceleration? Yes, my foot is completely off gas when I do this. I do find that the sound does not exist if I rev hard, wait a few moments before clutching to the floor. It only persists when I rev hard, clutch immediately (but foot already completely off gas). Any suggestions/confirmations? Thanks in advance.

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09-03-2013, 03:21 PM	#2
xjohnx Grip>Slip Join Date: Jun 2012 Drives: 13 SWP BRZ Ltd - Innovate Powered! Location: RVA Posts: 3,563 Thanks: 656 Thanked 1,716 Times in 1,031 Posts Mentioned: 45 Post(s) Tagged: 3 Thread(s)	Pressure plate, mayhaps? Any mods? Mileage?

09-03-2013, 03:22 PM	#3
1Cor10:23 Senior Member Join Date: Jul 2013 Drives: '13 Whiteout FR-S (M/T) Location: GTA Posts: 1,205 Thanks: 492 Thanked 392 Times in 238 Posts Mentioned: 14 Post(s) Tagged: 1 Thread(s)	bone stock, just past break-in although the noise was persistent since I could remember.

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