Quote:
Originally Posted by g911turbo
I did not notice the vibration when coasting at low speed (30 or lower), somewhat noticed it when coasting between 30-50, and easily felt/noticed it 50+ when coasting.
THIS VIBRATION ALL WENT AWAY once I dropped everyone off at the airport and it was just me in the car. The car still feels like its engine braking too much (even in 6th), but no more vibration.
I don't think it's wheels / tires based on the symptoms. I'm wondering if it's something drive train related. Any words of wisdom would be appreciated. I plan to crawl under the car soon, once it's no longer 0 degrees F here.
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I'd suggest it is drivetrain related. With a load up did you adjust tire pressures? If not, it could indicate you are right on the edge of drivetrain tolerances with your current wheel setup. Made worse with loaded rear tires changing the rolling circumference.
Are you running OEM wheels/star marked tires?
HighlandPete