Vibration at 40mph and around 75mph

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Apr 16, 2017 | 06:50 PM

k0kong

Thread Starter

Pit Crew

Joined: Sep 2016

Posts: 113

Likes: 14

From: Hawaii

Vibration at 40mph and around 75mph

Solution:
Combination of bad alloys and stiff tires contributed to the vibration. returning back to stock OEMs with dunlops have dramatically improved vibrations

Last edited by k0kong; Dec 16, 2017 at 09:07 AM.

Apr 16, 2017 | 07:20 PM

nobodycare

Driver

Joined: Feb 2016

Posts: 59

Likes: 3

From: CA

Have the rotors turned and I would go back to OEM pads. I would bet that you are feeling brake judder. I had this on a set of brembo's with full floating rotors and to was bad and took a long time to diagnose.

Apr 16, 2017 | 10:56 PM

Dallasguy1

Instructor

Joined: Nov 2015

Posts: 1,178

Likes: 66

From: Tx

Do u remember hitting a pot hole, my front passenger was slight bent due to some pot hole action and I had this vibrating problem. Had to get the wheel redone and yes the vibration is gone.

Apr 17, 2017 | 05:08 AM

k0kong

Thread Starter

Pit Crew

Joined: Sep 2016

Posts: 113

Likes: 14

From: Hawaii

I just changed to summer wheels and the vibrations are still there, no abnormal vibrations while braking from high speeds though. What are my chances that both my wheel sets are out of balance?

Apr 17, 2017 | 05:19 AM

lovemyGSFS

Pole Position

Joined: Mar 2017

Posts: 298

Likes: 26

From: ma

are you hearing any humming sound at 35-40 if so that could be a wheel bearing, but at 32K doesn't sound right

Apr 17, 2017 | 06:04 AM

k0kong

Thread Starter

Pit Crew

Joined: Sep 2016

Posts: 113

Likes: 14

From: Hawaii

Quote:

Originally Posted by lovemyGSFS

are you hearing any humming sound at 35-40 if so that could be a wheel bearing, but at 32K doesn't sound right

I don't hear a constant noise, its more of a oscillating noise that seems to happen with every rotation of the wheel. at low speeds at less than 45 mph i don't hear anything.