engine whine - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

zcasto · 12-22-2014, 09:12 PM

A

Koa · 12-22-2014, 09:34 PM

bro we need a vid

humfrz · 12-23-2014, 12:39 AM

Quote:

Originally Posted by zcasto

My brz has had a really bad engine noise around 2000rpm and higher. It does it with clutch engaged and disengaged. It's really noticeable in 1st through 3rd. Really want to get some thoughts before I take it back to the dealer. It didn't start doing this until I installed a header back exhaust system and mtec shift springs and perrin shift bushing which shouldn't be affected

I hope you have a good relationship with your dealer ......

Can you tell if the "whine" is coming from the engine or drivetrain .. ??

Does the whine vary with the engine speed ...... or the gear speed .. ??

(well, that question made sense when I first typed it .....

)

humfrz

JOSEC · 12-23-2014, 01:57 AM

[ame]http://youtu.be/gW6CHGpaRfw[/ame]

If it sounds like this, then you're all good. I suspect it's the sifter bushing. I installed Whiteline transmission insert, Perrin rear shifter bushing and MTEC shift spring Kit and noticed the whine.

edeekeos · 12-23-2014, 02:38 AM

I love hearing gear box whine for some reason..

JOSEC · 12-23-2014, 04:13 AM

Quote:

Originally Posted by edeekeos

I love hearing gear box whine for some reason..

It makes it sound like you have a twin screw supercharger under the hood.

edeekeos · 12-23-2014, 04:16 AM

While that is true, that's not why "I" like it. I just think it makes the car feel more 'racecar.' I would do those mods JUST to get that sound..

..which makes me wonder, after those mods, why is it whining? Most gear boxes that whine that loud use spur gears right? The 86 boxes have helical gears right? Someone please shed some light on this for me..

kevman_101 · 12-23-2014, 08:03 AM

Could it be a bad bearing in the transmission? As much as I like the sound too, it is not normal to be that loud. I would take it to the dealer. I'm thinking a new transmission is going to be the solution.

FRSBRZGT86FAN · 12-23-2014, 05:20 PM

Quote:

Originally Posted by edeekeos

While that is true, that's not why "I" like it. I just think it makes the car feel more 'racecar.' I would do those mods JUST to get that sound..

..which makes me wonder, after those mods, why is it whining? Most gear boxes that whine that loud use spur gears right? The 86 boxes have helical gears right? Someone please shed some light on this for me..

The race car whine comes from straight cut gears, however in our case I think it has something to do with sound transfer into the cabin from the gearbox

Koa · 12-23-2014, 05:24 PM

Quote:

Originally Posted by FRSBRZGT86FAN

The race car whine comes from straight cut gears, however in our case I think it has something to do with sound transfer into the cabin from the gearbox

This- spur/straight gears whine a shit ton, helical gears don't whine as much

FRSBRZGT86FAN · 12-23-2014, 05:26 PM

Quote:

Originally Posted by Koa

This- spur/straight gears whine a shit ton, helical gears don't whine as much

Also of you want to hear spur gear whine on a normal car most Hondas in reverse use a spur gear and make a cool whine lol

Koa · 12-23-2014, 05:27 PM

Quote:

Originally Posted by FRSBRZGT86FAN

Also of you want to hear spur gear whine on a normal car most Hondas in reverse use a spur gear and make a cool whine lol

Most cars do

ours is no different. My '02 WRX whines like a som'bitch

12-22-2014, 09:12 PM	#1
zcasto Junior Member Join Date: Jan 2014 Drives: 2013 brz,1972 skylark Location: wv Posts: 1 Thanks: 0 Thanked 0 Times in 0 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	engine whine A Last edited by zcasto; 01-07-2015 at 08:59 AM.

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12-23-2014, 01:57 AM	#4
JOSEC Member Join Date: Dec 2013 Drives: 2014 Subaru BRZ WRB Location: Houston TX. Daytona Beach FL. Posts: 75 Thanks: 15 Thanked 38 Times in 28 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	[ame]http://youtu.be/gW6CHGpaRfw[/ame] If it sounds like this, then you're all good. I suspect it's the sifter bushing. I installed Whiteline transmission insert, Perrin rear shifter bushing and MTEC shift spring Kit and noticed the whine.

12-23-2014, 08:03 AM	#8
kevman_101 Senior Member Join Date: Apr 2013 Drives: 2013 Scion FRS Location: Bathurst New-Brunswick Posts: 222 Thanks: 3 Thanked 101 Times in 61 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Could it be a bad bearing in the transmission? As much as I like the sound too, it is not normal to be that loud. I would take it to the dealer. I'm thinking a new transmission is going to be the solution.

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