Vibration after an autocross event..

[Alerch]

After the event yesterday I noticed on the drive home the car had a vibration from 40ish to 80 never went faster than that. The car (2016 GT 6 speed) has been lowered with fords track suspension and aligned also has Steeda's one pc alum driveshaft. This is the first sign of any vibration, any ideas on where to start looking?

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[WItoTX]

Is the vibration coming through the steering wheel or the seat?

 

[Alerch]

Feels more like drive line vibration, coming the from the rear of the car for sure. I didn't notice any in the steering wheel.

 

[Alerch]

Better not be the wheel bearings (front and rear) they are new, all the suspension and parts only have 700 miles or a year on them (I hardly drive it).. I usually trailer the car to events but this one was only 5 miles from the house.. I thought about the tires maybe spun on the rims.

 

[ArrestmeRed]

Sounds like a tire issue. Usually the front wheels would cause a vibration in the steering wheel. If it feels like the whole car is vibrating then its usually a rear tire. You could rotate the tires and see if the vibration follows the tires.

 

[mavisky]

Driveshaft and wheel lug nuts or wheel weights would be my immediate first points of investigation.

 

[WItoTX]

How old are the tires?

 

[Alerch]

How old are the tires?

2 months old, 2 events on them and maybe 20 street miles. 305/30-19 kumho V730. After work I'll rotate them and see if that is the issue..

 

[NGOT8R]

In reference to the Steeda 1 piece driveshaft, I don’t know if the supplied hardware is the same for yours, as it was for my 2019 Bullitt, but if it was, I can see a potential problem that might cause vibration. Read this thread for detailed information and pics. Start on page 5 and post #64 and read on from there.

https://www.mustang6g.com/forums/th...018-6-speed-manual-transmission.184061/page-5

 

[Arknsawchuck]

Better not be the wheel bearings (front and rear) they are new, all the suspension and parts only have 700 miles or a year on them (I hardly drive it).. I usually trailer the car to events but this one was only 5 miles from the house.. I thought about the tires maybe spun on the rims.

Never rule out wheel bearings on these cars, my right rear went out with only 1000 miles on the car.

 

[Alerch]

In reference to the Steeda 1 piece driveshaft, I don’t know if the supplied hardware is the same for yours, as it was for my 2019 Bullitt, but if it was, I can see a potential problem that might cause vibration. Read this thread for detailed information and pics. Start on page 5 and post #64 and read on from there.

https://www.mustang6g.com/forums/th...018-6-speed-manual-transmission.184061/page-5

Nice, I do remember having to mis match some bolts on the hardware that came with the DS... I'll get it up in the air so I can take a look at that.. I hope it something simple and an easy fix.. I dont really feel like dropping the cradle, if I do now is the time to do the solid bushings I guess..

 

[NGOT8R]

Nice, I do remember having to mis match some bolts on the hardware that came with the DS... I'll get it up in the air so I can take a look at that.. I hope it something simple and an easy fix.. I dont really feel like dropping the cradle, if I do now is the time to do the solid bushings I guess..

Please keep us posted on what you find. Maybe take some pics if you see anything that stands out to you.

 

[Hobdul]

I've never autocrossed, but my inner wheel barrels definitely pick up rubber pieces during track days, enough that several times I have felt vibrations on the drive home that felt like a wheel out of balance (because it is, slightly, due to the accumulated rubber). I was worried about loose lug nuts, etc. until I figured out what was happening during the post-track car wash.

 

[Alerch]

Please keep us posted on what you find. Maybe take some pics if you see anything that stands out to you.

Will do! hopefully its something easy..

I've never autocrossed, but my inner wheel barrels definitely pick up rubber pieces during track days, enough that several times I have felt vibrations on the drive home that felt like a wheel out of balance (because it is, slightly, due to the accumulated rubber). I was worried about loose lug nuts, etc. until I figured out what was happening during the post-track car wash.

When I take the tires off I'll look them over good..

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