transient steering vibration near 100 mph

[rghiselli]

While driving on a highway, I noticed a vibration felt through the steering wheel between 90-100 mph. I interpreted it as originating from the front wheels. It disappeared above that speed? Is this common? Something to fix?
Thanks.
Bob G

 

[JonB]

Is this a 1992 or a 2010? Miles? Mods?

Could be as simple as a stone in a tire tread, or a track-marble on the interior of a wheel.
A slight, age-induced imbalance or a sidewall fault. Or a brake-rotor issue. or even a crank-damper.

Examine the front tires and wheels and front wheel bearings (miles matter)

 

[PhoenixGTS]

The front tires are flat-spotted.

 

[EllowViper]

Mine did the exact thing at 80mph. Exactly at 80...not 79 or 81...just right at 80. Bugged the piss out of me. Turned out to be the 4 yrs old OEM tires.

 

[uvbnbit]

The front tires are flat-spotted.

Has the car been sitting for a while?? I re-balanced and fixed a bent rim on mine this past weekend(after a mishap on the way to VOI) and noticed quite a significant flat spot from sitting for only 2 weeks! Last year my car set for 8 weeks without moving it. Not good on the ole' tires. Anywho, I guess what I'm trying to say is, either put extra air in the tires or roll it every 4-5 days to avoid aforementioned "flat-spotting". Any other suggestions? carpet under the tires?

 

[eucharistos]

Is this a 1992 or a 2010? Miles? Mods?
.....

year matters

see jon, i listen

+1 check for flat spot, then jonb's list

 

[rghiselli]

Thanks for the replies. The car is a 2000 RT/10 with 19K miles. Tires were made in '02. Yes it was sitting for a couple weeks before driving. The car was driven a couple hours on the highway at legal posted speeds before attempting the higher speed where the vibration occurred.

 

[dave6666]

Balance them.

 

[plumcrazy]

what dave said

 

[Panzer]

Do like my brother dose to his BMW in the winter, put it up on jacks on the frame. XD

 

[plumcrazy]

thats bad advice

 

[anaconda666]

I noticed a vibration felt through the steering wheel between 90-100 mph

Drive faster until it smoothens out