rear end clunk in 1st - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

rucfj159 · 02-20-2015, 12:13 PM

I have a 15 frs manual with about 1100 miles on it. sometimes when I put it in 1st when I am at a stop there is a loud clunking noise from the back of the car, seems like the rear end.

anyone else experience this issue?
anyone know what it could be?

2016 Camaro SS · 02-20-2015, 12:21 PM

This has been addressed numerous times. My 2013 FR-S still does this and it's normal. It's the nature of this Aisin transmission. Your car is not broken.

Tcoat · 02-20-2015, 01:13 PM

Quote:

Originally Posted by 2016 Camaro SS

This has been addressed numerous times. My 2013 FR-S still does this and it's normal. It's the nature of this Aisin transmission. Your car is not broken.

Not abnormal on many RWD cars. Just the system taking up the bit of slack that exists with all the components between the engine and the wheels.
Freaks out people that are used to FWD (that doesn't have all these drive train parts) all the time.

Koa · 02-20-2015, 01:27 PM

input shaft clunking from you engaging the tranny from a stop is normal and fine

Wilso · 02-20-2015, 01:28 PM

Had it on my 13 FRS and have it with my 14 BRZ. It's normal, to avoid the "clunk" clutch and shift to neutral, then clutch shift into first, shouldn't clunk after that if you're that worried about it

bababooey · 02-20-2015, 01:38 PM

ive noticed this as well, i usually get the clunk when traffic light turns green and im not ready for it. if it bothers you, i try to make a habit of clutch pedal in (down) for an extra second or so before moving shift lever into gear one.

Poodles · 02-21-2015, 02:44 PM

Quote:

Originally Posted by bababooey

ive noticed this as well, i usually get the clunk when traffic light turns green and im not ready for it. if it bothers you, i try to make a habit of clutch pedal in (down) for an extra second or so before moving shift lever into gear one.

Bingo. Have to give the input shaft a little bit of time to stop spinning as it's going from idle speed of the engine to a dead stop as it's put into gear.

rucfj159 · 02-22-2015, 10:23 PM

Thanks y'all glad I don'thave anything to worry about

Ethereal05 · 03-10-2015, 04:14 PM

Quote:

Originally Posted by Tcoat

Not abnormal on many RWD cars. Just the system taking up the bit of slack that exists with all the components between the engine and the wheels.
Freaks out people that are used to FWD (that doesn't have all these drive train parts) all the time.

Having only driven FWD my entire life I have picked up on this sound myself. Immediately figured it is the input shaft.

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02-20-2015, 12:21 PM	#2
2016 Camaro SS Senior Member Join Date: Nov 2014 Drives: Fast Location: Austin, Texas Posts: 790 Thanks: 114 Thanked 408 Times in 241 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	This has been addressed numerous times. My 2013 FR-S still does this and it's normal. It's the nature of this Aisin transmission. Your car is not broken.

02-20-2015, 01:28 PM	#5
Wilso "Patience young Padawan" Join Date: Jul 2013 Drives: 2017 Crystal White BRZ Location: Aurora Posts: 380 Thanks: 270 Thanked 71 Times in 58 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Had it on my 13 FRS and have it with my 14 BRZ. It's normal, to avoid the "clunk" clutch and shift to neutral, then clutch shift into first, shouldn't clunk after that if you're that worried about it

02-20-2015, 01:38 PM	#6
bababooey Senior Member Join Date: Sep 2014 Drives: BRZ SWP Limited -6MT Location: HillCountry-TX Posts: 433 Thanks: 145 Thanked 162 Times in 106 Posts Mentioned: 2 Post(s) Tagged: 1 Thread(s)	ive noticed this as well, i usually get the clunk when traffic light turns green and im not ready for it. if it bothers you, i try to make a habit of clutch pedal in (down) for an extra second or so before moving shift lever into gear one.

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