3rd gear jolt / clunk after smooth shift - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

1Cor10:23 · 03-22-2015, 02:42 PM

Hi everyone,

Wondering if anyone else experiences what I would call a clunk / jolt in power delivery in rear after successfully and smoothly upshifting into 3rd? Almost feels like drive train slop of some sort.

I'm wondering if it's an issue with the diff given it happens about 1/3 second or so after shift?

As background, motul gear 300 in both Trans and diff, about 2000 km on new fluids.

Thanks in advance!

fika84 · 03-23-2015, 11:18 AM

By "after shift" you mean, clutch fully disengaged, foot pressing on gas pedal? Than 1/3 second after that?

Jesse36m3 · 03-23-2015, 12:35 PM

What do you mean "after shift?"

When you release the clutch pedal?

It could be simply that you aren't rev matching, causing a jerk throughout the entire car.

03-22-2015, 02:42 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)	3rd gear jolt / clunk after smooth shift Hi everyone, Wondering if anyone else experiences what I would call a clunk / jolt in power delivery in rear after successfully and smoothly upshifting into 3rd? Almost feels like drive train slop of some sort. I'm wondering if it's an issue with the diff given it happens about 1/3 second or so after shift? As background, motul gear 300 in both Trans and diff, about 2000 km on new fluids. Thanks in advance! __________________ \|1Cor10:23 \| Whiteout FR-S \| Form Follows Function Build\|

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03-23-2015, 12:35 PM	#3
Jesse36m3 Senior Member Join Date: Mar 2014 Drives: JDL Turbo BRZ Location: EG, RI Posts: 450 Thanks: 46 Thanked 305 Times in 140 Posts Mentioned: 3 Post(s) Tagged: 2 Thread(s)	What do you mean "after shift?" When you release the clutch pedal? It could be simply that you aren't rev matching, causing a jerk throughout the entire car.

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