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Can brake issues cause tires to go out of balance?
I bought a 2010 Honda Accord 4 cylinder with 10,000 miles on it about six months ago. Of course, on the test drive all seemed right with the car. Then we drove it off the lot and got it up to 75 Mph on the highway and it was easy to notice something wasn't right. The steering wheel shook noticeably. The next day we took it back and they did an alignment and road force balanced all the tires.
After that, it drove well until about a month ago (at this point we had about 16,000 miles on it). It seemed to gradually start to shake again at highway speeds, but this time it also started to shake real bad when you would apply the brakes. I took it back to the dealership again and, at first, they wanted to charge me to change the front pads and re-surface the rotors claiming that they only warranty the brakes for 12,000 miles from when the car was new. After some complaining (I found a service bulletin about the front brakes while waiting for the car- which helped change their mind), they ended up doing it for free. The issue with the steering wheel shaking while braking went away and all seemed well.
Then, we got the car up to highway speeds again. It is now shaking without applying the brakes like it did when we bought it. I think the wheels are out of balance again and I'll bet they aren't going to re-balance them for free. My question is:
Can bad rotors/worn pads (general brake issues) cause tires to go out of balance a lot faster than they should?
I understand that tires will go out of balance over time... but with every other car I've owned, I've only had to balance the tires every 15,000 - 20,000 miles or so. Actually, now that I really think about it, I've had some cars where I never had to balance the tires for years (I had a Camry about ten years ago- and owned if for 5 years- and never balanced the tires once, and it always drove great without any steering wheel shake at any speed).
Thanks in advance for any knowledgeable advice.