aloha_from_bradley
Autocross Champion
- Location
- AZ
I'm chasing my tail.
2019 R w/ 12.5k
Hit a pothole on the passenger side a couple months ago. Wheel was ever so slightly bent. Sent out for repair, came back good. Alignment performed, perfectly in spec. Suspension looked at by dealership, nothing found.
About a month later I happen to notice light vibrations at highway speeds. Usually between 70-90 MPH. Yes, you can drive that fast in Phoenix just about anywhere.
Take the car into the dealership - road forced all 4 wheels & tires. Two tires don't pass the road force. No indication of a bad wheel from the results.
Next, I buy a full set of new tires - Firehawk Indys - Road force balance all 4 new tires. Here are the results:
Left Front: .014
Right Front: .005
Left Rear: .015
Right Rear: .010
So as you can tell, the balance came in way under the acceptable range for a road force (under 20 lbs). I'm about 99.99999 % sure I don't have a wheel or tire issue. I've checked the front wheel bearings for abnormal noise, grinding sounds, humming, noticeable play, etc. I can't find anything. There is no "steering wander" or any other measurable issue to speak of either. Still getting vibrations, but only at highway speeds. Under 70 MPH the car is perfect.
Where do I look next?
2019 R w/ 12.5k
Hit a pothole on the passenger side a couple months ago. Wheel was ever so slightly bent. Sent out for repair, came back good. Alignment performed, perfectly in spec. Suspension looked at by dealership, nothing found.
About a month later I happen to notice light vibrations at highway speeds. Usually between 70-90 MPH. Yes, you can drive that fast in Phoenix just about anywhere.
Take the car into the dealership - road forced all 4 wheels & tires. Two tires don't pass the road force. No indication of a bad wheel from the results.
Next, I buy a full set of new tires - Firehawk Indys - Road force balance all 4 new tires. Here are the results:
Left Front: .014
Right Front: .005
Left Rear: .015
Right Rear: .010
So as you can tell, the balance came in way under the acceptable range for a road force (under 20 lbs). I'm about 99.99999 % sure I don't have a wheel or tire issue. I've checked the front wheel bearings for abnormal noise, grinding sounds, humming, noticeable play, etc. I can't find anything. There is no "steering wander" or any other measurable issue to speak of either. Still getting vibrations, but only at highway speeds. Under 70 MPH the car is perfect.
Where do I look next?