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Author Topic: Vibration on braking  (Read 1080 times)

Offline Mk5341

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Vibration on braking
« on: October 31, 2022, 07:33:24 pm »
Hi guys

I'm new to the forum recently bought myself a mk5 gti
I'm getting a bad vibration on braking in the steering wheel but not so much in the pedal
It has audi s3 brakes on it and drilled discs but they seem OK not warped and it has polybush console bushes (i think thats the name for it... the ones on the lower arm in the ally casting) which I can't seem to find any play in
Does any1 have any ideas as to what else I can look at cause I'm pretty stumped now I have no play in anything

Cheers


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Offline mjmallia

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Re: Vibration on braking
« Reply #1 on: November 01, 2022, 10:37:07 am »
Vibration through the wheel and or pedal is usually warped discs in my experience.
Mike

South Coast

S3 8L ---- Golf Mk4 GT TDI ---- Lupo GTI ----  A4 B6 Sline ---- Golf Mk5 GTI

Offline Mk5341

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Re: Vibration on braking
« Reply #2 on: November 01, 2022, 12:05:22 pm »
Vibration through the wheel and or pedal is usually warped discs in my experience.
I'm not getting anything through the pedal though this is my problem :/

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Offline Octoparrot

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Re: Vibration on braking
« Reply #3 on: November 01, 2022, 01:50:36 pm »
I'd agree that it really sounds like warped discs whether there's vibration in the pedal or not. I'd rule this out for definite first.

Offline TheBALDpuma

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Re: Vibration on braking
« Reply #4 on: November 01, 2022, 02:28:20 pm »
I'd also add that it is probably warped discs!

Vibration can also come from buckled wheels, or unbalanced wheels - but you'd get that all the time, not just under braking.

Offline Mk5341

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Re: Vibration on braking
« Reply #5 on: November 01, 2022, 08:30:11 pm »
Well thanks every1 really appreciate the help
I guess I'm going to have to get them checked again
Might just buy a new set to eliminate it completely

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Offline breeze

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Re: Vibration on braking
« Reply #6 on: November 02, 2022, 03:14:45 pm »
Not that it matters, since new discs will fix it, but discs almost never warp in reality.

What you are feeling most of the time is pad deposits, often because brakes have overheated.

https://centricparts.com/getmedia/bd69395a-b65c-481d-93f7-b26b1bd0638d/Centric_and_APC_Technical_Whitepaper_B1-Warped-Brake-Disc-8-2018_1.pdf

I’ve had luck using proper brake pads (with a high metallic content) in the past to fix the issue.