Transmission Clunking (A/T) - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Mr. J · 12-31-2012, 12:52 PM

I've heard about some M/T clunking sounds while engaging 1st gear etc etc, but I have a different problem in my A/T BRZ. When coming to a stop (In drive, no sport mode or VSC, not manual mode), I hear a clunking/rattling sound that starts of sort of quiet and gets louder. Sometimes it doesn't happen, while other times it happens stop after stop. The sound stops when I shift into neutral. Anyone have any clue what it is? I wanted to get your opinions before I brought it to Subaru (I have a Nameless Axleback and an Injen intake, I don't want them pointing fingers. Also, the issue occured much before both installs, so they shouldn't be related).

Any help is appreciated, thank you!

Xanatos · 12-31-2012, 01:13 PM

If it's a transmission issue they can't possibly blame those modifications. Noise from A/T is always a bad sign. Get it checked out.

joop1987 · 12-31-2012, 02:23 PM

Some RWD cars make a driveshaft clunk.

greighn · 12-31-2012, 03:51 PM

That may be a known behavior for this transmission. Do a search and you'll find more details about a clunking noise when coming to a stop. Maybe in next year's model they'll put a little rubber bumper or something to quiet that noise.

If yours noise is different, then get it checked out.

2manysubies · 01-01-2013, 04:21 PM

I've had several RWD cars with LSD that give a good clunk when I stop. Sounds like the "clutch packs" releasing, but that was just a drive train clunk. If you noise is getting louder, visit the dealer.

Mac

Burrcold · 01-01-2013, 05:47 PM

Pretty sure it's your reverse lockout solenoid activating. I hear this (and can feel it) every time I come to stop. Fairly common and nothing to be alarmed by.

Mr. J · 01-01-2013, 08:11 PM

My nearest Subaru dealership reopens tomorrow so I couldn't go the past 2 days. But now that I know there might not be anything wrong, I'm a little hesitant to bring it in just yet due to Miami dealership reputations. I'll get a video up soon to give you guys a better idea of what's happening.

12-31-2012, 12:52 PM	#1
Mr. J Member Join Date: Aug 2012 Drives: GBS BRZ Limited Location: Miami, Florida Posts: 48 Thanks: 2 Thanked 9 Times in 8 Posts Mentioned: 16 Post(s) Tagged: 3 Thread(s)	Transmission Clunking (A/T) I've heard about some M/T clunking sounds while engaging 1st gear etc etc, but I have a different problem in my A/T BRZ. When coming to a stop (In drive, no sport mode or VSC, not manual mode), I hear a clunking/rattling sound that starts of sort of quiet and gets louder. Sometimes it doesn't happen, while other times it happens stop after stop. The sound stops when I shift into neutral. Anyone have any clue what it is? I wanted to get your opinions before I brought it to Subaru (I have a Nameless Axleback and an Injen intake, I don't want them pointing fingers. Also, the issue occured much before both installs, so they shouldn't be related). Any help is appreciated, thank you!

01-01-2013, 05:47 PM	#6
Burrcold Senior Member Join Date: Jul 2010 Drives: Subaru BRZ Limited Location: Toronto, Canada Posts: 2,624 Thanks: 763 Thanked 1,586 Times in 776 Posts Mentioned: 10 Post(s) Tagged: 0 Thread(s)	Pretty sure it's your reverse lockout solenoid activating. I hear this (and can feel it) every time I come to stop. Fairly common and nothing to be alarmed by. __________________

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12-31-2012, 02:23 PM	#3
joop1987 Senior Member Join Date: Nov 2012 Drives: 2013 FRS, Raven, Auto Location: Hamilton, NJ Posts: 104 Thanks: 0 Thanked 36 Times in 21 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Some RWD cars make a driveshaft clunk.

12-31-2012, 03:51 PM	#4
greighn Member Join Date: Aug 2012 Drives: Scion FR-S Location: Exton, PA Posts: 53 Thanks: 8 Thanked 23 Times in 9 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	That may be a known behavior for this transmission. Do a search and you'll find more details about a clunking noise when coming to a stop. Maybe in next year's model they'll put a little rubber bumper or something to quiet that noise. If yours noise is different, then get it checked out.

01-01-2013, 04:21 PM	#5
2manysubies USN Retired Join Date: Oct 2012 Drives: '13 BRZL, 05LGTL, 05LGTLSW, and +5 Location: Maine Posts: 42 Thanks: 7 Thanked 19 Times in 14 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	I've had several RWD cars with LSD that give a good clunk when I stop. Sounds like the "clutch packs" releasing, but that was just a drive train clunk. If you noise is getting louder, visit the dealer. Mac

01-01-2013, 08:11 PM	#7
Mr. J Member Join Date: Aug 2012 Drives: GBS BRZ Limited Location: Miami, Florida Posts: 48 Thanks: 2 Thanked 9 Times in 8 Posts Mentioned: 16 Post(s) Tagged: 3 Thread(s)	My nearest Subaru dealership reopens tomorrow so I couldn't go the past 2 days. But now that I know there might not be anything wrong, I'm a little hesitant to bring it in just yet due to Miami dealership reputations. I'll get a video up soon to give you guys a better idea of what's happening.

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