Vibration when breaking

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May 15, 2022 | 01:44 PM

#16

Allybear43

Thread Starter

Track Day

Joined: Apr 2022

Posts: 17

Likes: 0

These are me rear rotors, you can see that the one has a grove in it, and that they're jacked where it's rusty. Does that mean its warped?

May 16, 2022 | 09:34 AM

#17

Deezflip

Instructor

Joined: Dec 2018

Posts: 228

Likes: 85

From your other thread, figured I'd update you on this thread rather...

Quote:

Originally Posted by Deezflip

It's not often that the rear rotors contribute to shaking when braking, but possible. Did you noticed improvements when you changed the front? Shaking reduced or the same? I'm suspecting bushings

Quote:

Originally Posted by Allybear43

I'm honestly not sure, I think it improved a little but it may just be mentally. I had suspected that the rear where the issue, but I took it to a well know shop who said start with the front. Is there a way to check the bushings without taking the wheel off?

I don't know if you'll be able to tell. I am surprised that changing out the front rotors didn't get rid of the brake shaking..or at least improved or decreased in shaking. Did you replace the front with new rotors and brakes? Or were they used?

Nevertheless, take a look at Ciaka's post on this thread in what to troubleshoot...
https://rennlist.com/forums/panamera...rake-pads.html

May 16, 2022 | 12:33 PM

#18

Allybear43

Thread Starter

Track Day

Joined: Apr 2022

Posts: 17

Likes: 0

Car doesn't make any clicking noise, or any kinda noise when going over bumps, no vibrations any other time besides braking. No vibrations around corners either. So I don't think it has anything to do with control arms

Mar 23, 2024 | 08:41 PM

#19

armedoc

4th Gear

Joined: May 2023

Posts: 4

Likes: 0

Did you ever figure out a solution? I have the exact same problem.

Thanks

Mar 23, 2024 | 09:30 PM

#20

Allybear4343

Track Day

Joined: Jun 2023

Posts: 23

Likes: 11

Quote:

Originally Posted by armedoc

Did you ever figure out a solution? I have the exact same problem.

Thanks

I did, It was the rears. ( I lost the password to my other account Allybear43) Shaking went away right away.

Mar 23, 2024 | 09:38 PM

#21

armedoc

4th Gear

Joined: May 2023

Posts: 4

Likes: 0

Quote:

Originally Posted by Allybear4343

I did, It was the rears. ( I lost the password to my other account Allybear43) Shaking went away right away.

Did you feel the shaking in the steering wheel? I recently purchased a 2016 GTS 44k miles and over about 2 months of ownership it has developed some pretty significant wobble in the steering wheel under braking, anything more than about 40mph. It had new front brakes put on at around 3k miles ago by previous owner (have receipts). I decided to just put brand new rotors and pads on as I thought it was most likely this. Strangely the problem has somewhat improved maybe 70%, but still noticeable slight wobble in steering wheel under braking over 60mph. Seems odd for the rears to cause the steering wheel to shake, so I was considering chasing the tie rods and/or lower control arm bushings, but any advice welcomed.

Thanks

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