Join Date: Mar 2016
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So, I've taken the car in to the dealer 4 times. The first 2 times I took it to the dealership where I purchased the car. They claim to have felt nothing while test driving. This was the extent of my 2 trips to the dealer, getting a rental car and awaiting a phone call. "My tech drove your car and he said it drives fine, no vibrating at all". They test drove it around the block, apparently didn't feel anything and that was it. I get it the car, hit the freeway and bam...vibrating the same as before.
The third trip was to another Chevy dealer. They had a tech test drive the car and he felt the vibrating at gas pedal/floor board at highway speeds of 70-80 mph. The diagnosis they provided was excessive road force at a rear tire. They adjusted to normal specs. I take the car out for a drive and the vibration was still there!
Took the car back to the dealer I purchased the vehicle from for a 3rd time. They kept the car for a week. I didn't receive a call from the dealer once while they had my car. I called them after having my car for 6 days. Granted, I was given a loaner for the week but I was still never contacted with updates or news on my car. They claim to have found the vibration and shaking immediately once it was taken on the freeway. Odd, since the first 2 times they had the car, they found zero vibration and I was left with no answers. The diagnosis is unbalanced tires, .75 ounce right wheel and .5 ounce left wheel. Excessive road force was found in a tire. This was all adjusted to normal specs. They tell me the vibration is gone 90% but there is still a slight vibration at highway speeds, due to "subpar Good Year tires". Keep in mind the tires have 24,000 miles and have 8/12 tread on all. They explained no uneven wear was spotted and the tires are just "not very good" and "I should buy Michelin". Lastly, they explained to me with 100% assurance that if I replaced all tires that the vibrating will stop, guaranteed. They were not pressuring me to buy tires whatsoever, but that was their "fix".
I hop on the freeway after getting my car back, speed up to around 70 mph and...IT STILL VIBRATES! I am left unsure of my next step. The car was purchased in February with 19,000 miles. Any thoughts to what my next step may be to finding the issue(s)?