Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB
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Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB (https://www.ft86club.com/forums/index.php)
-   Engine, Exhaust, Transmission (https://www.ft86club.com/forums/forumdisplay.php?f=8)
-   -   Rear shaking (https://www.ft86club.com/forums/showthread.php?t=135171)

brzboy 06-10-2019 09:24 PM
Rear shaking
 
When turning from a dead stop left for right the rear end shakes a little until i speed up or straiten it out is that normal for the rear differential ? It’s got about 26k miles on it. 2016


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HKz 06-10-2019 09:32 PM
if your tires are properly balanced then my bet is this be just normal operation of your Torsen limited slip diff..

brzboy 06-10-2019 09:33 PM
Quote:
Originally Posted by HKz (Post 3226441)
if your tires are properly balanced then my bet is this be just normal operation assuming of your Torsen limited slip diff..


The only thing done to the rear is wheel spacers


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brzboy 06-10-2019 09:33 PM
I’ve read other people have experienced this just wondering if it is “normal”?


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Spuds 06-10-2019 09:41 PM
Quote:
Originally Posted by brzboy (Post 3226443)
I’ve read other people have experienced this just wondering if it is “normal”?


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Yes.

Mr.ac 06-10-2019 09:59 PM
Yeah any difference on tires can upset the lsd.
Could be one tire could be low on air. Check both rears tire pressure.
In few cases very rare a bad wheel bearing is the culprit.

brzboy 06-10-2019 10:03 PM
Quote:
Originally Posted by Mr.ac (Post 3226449)
Yeah any difference on tires can upset the lsd.
Could be one tire could be low on air. Check both rears tire pressure.
In few cases very rare a bad wheel bearing is the culprit.


If they are the same would it still be normal?


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brzboy 06-10-2019 10:10 PM
All tires are at 34psi


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Turdinator 06-10-2019 10:46 PM
How quickly are you taking off? If you are close to the grip limit but not going hard enough to spin or are on crappy tires or slippery roads it can do that.

brzboy 06-10-2019 10:49 PM
Quote:
Originally Posted by Turdinator (Post 3226463)
How quickly are you taking off? If you are close to the grip limit but not going hard enough to spin or are on crappy tires or slippery roads it can do that.


The tires are the stock tires they are extremely hard, very easy to slide in but not taking off fast at all


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Ultramaroon 06-10-2019 10:58 PM
If I'm turning tightly in either direction with just a bit of torque the diff will chatter just like my brother's 911.


It's totally cool.

Mr.ac 06-10-2019 11:59 PM
Quote:
Originally Posted by brzboy (Post 3226450)
If they are the same would it still be normal?


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Yes. Not a lot but noticeable.

brzboy 06-11-2019 12:19 AM
Quote:
Originally Posted by Ultramaroon (Post 3226473)
If I'm turning tightly in either direction with just a bit of torque the diff will chatter just like my brother's 911.


It's totally cool.


What do you mean clatter ?


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Ultramaroon 06-11-2019 12:27 AM
Quote:
Originally Posted by brzboy (Post 3226513)
What do you mean clatter ?
Chatter. It's more of a clutch-type lsd thing but the diff mounts in the 86 are mushy.


Just try not to punch it unless you mean to do a donut. If you coast through the turn, even better.


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