Hi guys. I'm still kinda new here and now I need some help again I recently got this 2010 x sedan with 61000 miles. It looks pretty good inside and out. I recently bought summer wheels and tires for it. 18x8 on 235/50/18's. 1st day I drove it on the highway the steering wheel shook pretty good at 80 so I took it back to discount tire and they rebalanced all 4. Took it on the hi way again and it still shook at 80 although better than the first time so I took it back and they rebalanced again and this time they said they road forced balance the wheels and everything was "round". I drove it on the highway again and there is still some noticeable shake on the steering wheel at 75 but gone at 80 but at 80mph I notice some shaking on the seats. Hmmmm...??? I called discount tire and they said they don't know what's up...recommended that if it still happens after a few hundred miles that they could change the tires to a different brand and that they have called Hankook (I have the venous v12 evo2) to get an ok that I drive it for 90 days. Has anyone had this kind of issues? Could it be the tires or maybe something else? Please any insights on this could help. I'm about to call an Infiniti dealership to have them look at the car. Thanks in advance!

 

If your wheels and tires are "good", then have the bearings checked. Are there any noticeable noises?

 

Did you get hub adapter rings for your new wheels? Most aftermarket wheels have hubs in the 73mm range and the Infiniti hub OD is 66.1mm so getting those adapter rings get your wheels completely on center and will usually eliminate vibration issues, or at least significantly improve it.
If you do have the rings try to isolate the wheel that's causing the issue, might be a tire fault.
FWIW Ebay sells aluminum rings for about $15, these are much better than the plastic ones that most tire shops carry. Just need to confirm the exact bore on your new wheels.
G/L

Oh, and welcome to the site.

 

No noises I can appreciate. I think I'm familiar with bearing noise from the past and I don't hear it here.

 

Blnewt, discount tire did put the rings....plastic only. I don't know what size it is though. I will be looking into it and I hope this solves my problem. I called dealership and they recommended changing tires because they said they've had some clients who had bad experiences with hankook tires. I hope it's this simple and nothing big. Thanks man.

 

Did you buy new wheels? If not would check for any bends. When's the last time rotors were changed? I would also check your end links to see if they have any play in them.

 

I did buy new wheels. Brand new rotors in the back...not sure about the front but it's in pretty good condition I think. End link?

 

As bl mentioned get them hub rings. I know for me they made a difference with my volks. end links are connected to your sway bars. They go pretty bad quick.

 

Hey man...so on the KMC website the wheels I got have a 72.6 bore. What size hub ring should I get? Thanks man.

 

I'll probably take it to a shop after I try the hub rings and maybe change different brand tires and have the shop check axles,drive shaft and stuff. I just hope it gets figured out....the car is soooo awesome to drive in the highway....I would love it more if it was smooth driving. Don't get me wrong...the shaking isn't as bad as I have seen some have on YouTube but it's there and it's annoying.

 

This should work? Right?
4 Hub Centric Rings 72 6mm to 66 1mm Hubcentric Ring 72 56 66 Fits Infiniti | eBay

 

Those will work, but they get brittle and start cracking and chipping after a couple wheel changes, these will last the life of your wheels

4 Aluminum Hub Centric Rings 66 1mm 72 6mm 66 1 72 56 | eBay

 

Great! Thanks again. I will update you guys on this dilemma. I'm being held back by this vibration from enjoying this car 100% I love the car! I just want to be able to enjoy it vibe free.

 

Ha! Just had the hankooks replaced with bfg gforce sport comp2's and had the aluminum hubrings put in as blnewt suggested and now I'm vibration free! No more steering wheel shakes or seat shaking at any speed. Now I can finally enjoy this car 100%! Thanks guys for all the info and suggestions.

 

Nice to hear, now go out and have some fun in your new & improved G