Knocking sound when turning left - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Deemsim · 07-15-2021, 03:52 AM

Hi,

I have a 2013 86, im having a knocking/popping noise somewhere on the front left (passenger) side when i turn left, particularly over bumpy surfaces. For context, i have replaced both lower control arms, tie rod ends and wheel bearings. All thats really left (in my opinion) is the strut and sway bar end links. They both visually look fine, end links wernt loose, and no grease coming out of the strut. I also checked the top hat and visually they look fine from the top.

I dont think it could be an engine mount because the noise only happens when i turn left on a bumpy surface.

Does anyone have any suggestions? at the moment im probably gonna try find some struts to replace my current ones to see if that works.

Any help would be amazing
Cheers

humfrz · 07-17-2021, 02:33 AM

Maybe something to do with the brake on that side?

Grady · 07-17-2021, 08:46 AM

Engine strut brace, shock top mount, lower chassis bolts. Is everything stock? Anything upgraded? spherical bearing will make noise even when not worn.

Deemsim · 07-29-2021, 01:29 AM

Hey thanks for your suggestion. My 86 is stock at the moment, no upgrades to the car as of yet. When you're referring to spherical bearings are you talking about the wheel bearing?

norcalpb · 07-29-2021, 02:15 PM

Quote:

Originally Posted by Deemsim

Hey thanks for your suggestion. My 86 is stock at the moment, no upgrades to the car as of yet. When you're referring to spherical bearings are you talking about the wheel bearing?

Spherical bearing is just another name for a heim joint. Spherical bearings are usually found only on aftermarket parts. They are like ball joints in function but provide a much greater range of articulation, but are consequently not as strong as ball joints. Very commonly found on race cars, and very commonly a source of suspension noise.

Deemsim · 08-02-2021, 12:34 AM

Quote:

Originally Posted by norcalpb

Spherical bearing is just another name for a heim joint. Spherical bearings are usually found only on aftermarket parts. They are like ball joints in function but provide a much greater range of articulation, but are consequently not as strong as ball joints. Very commonly found on race cars, and very commonly a source of suspension noise.

Thanks, i dont have any of those bearings on mine. Is there a way to test out the top mounts other than visual inspection?

07-15-2021, 03:52 AM	#1
Deemsim Member Join Date: Aug 2020 Drives: 2013 Gt86 Location: Melbourne Posts: 29 Thanks: 11 Thanked 3 Times in 3 Posts Mentioned: 0 Post(s)	Knocking sound when turning left Hi, I have a 2013 86, im having a knocking/popping noise somewhere on the front left (passenger) side when i turn left, particularly over bumpy surfaces. For context, i have replaced both lower control arms, tie rod ends and wheel bearings. All thats really left (in my opinion) is the strut and sway bar end links. They both visually look fine, end links wernt loose, and no grease coming out of the strut. I also checked the top hat and visually they look fine from the top. I dont think it could be an engine mount because the noise only happens when i turn left on a bumpy surface. Does anyone have any suggestions? at the moment im probably gonna try find some struts to replace my current ones to see if that works. Any help would be amazing Cheers

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07-17-2021, 02:33 AM	#2
humfrz Senior Member Join Date: May 2013 Drives: 2013 FR-S, white, MT Location: Puyallup, WA Posts: 30,436 Thanks: 29,833 Thanked 32,866 Times in 16,849 Posts Mentioned: 717 Post(s)	Maybe something to do with the brake on that side?

07-17-2021, 08:46 AM	#3
Grady Senior Member Join Date: Jun 2017 Drives: BRZ Yellow, Ranger, Evora, WCM S2K Location: Dallas Posts: 1,712 Thanks: 354 Thanked 1,500 Times in 786 Posts Mentioned: 14 Post(s)	Engine strut brace, shock top mount, lower chassis bolts. Is everything stock? Anything upgraded? spherical bearing will make noise even when not worn.

07-29-2021, 01:29 AM	#4
Deemsim Member Join Date: Aug 2020 Drives: 2013 Gt86 Location: Melbourne Posts: 29 Thanks: 11 Thanked 3 Times in 3 Posts Mentioned: 0 Post(s)	Hey thanks for your suggestion. My 86 is stock at the moment, no upgrades to the car as of yet. When you're referring to spherical bearings are you talking about the wheel bearing?

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