2002 Lincoln Executive has a weird vibration in the rear end. Rebuilt it new gears and axels. Still have same problem. What the heck.
My car has 102000 miles.
My car has an automatic transmission.
Have you evaluated the wheels and tires? If a tire has excessive radial force variation, even that can cause vibration. That would have to be checked on a road force type balancer. Chassis ears (remote wireless microphones tied to a multi-channel receiver) might be useful in pinning down the location of the noise. If you desire that this problem be diagnosed by a certified Mechanic, dispatched by YourMechanic right to your location, please request a vehicle vibration diagnostic. The responding certified mechanic will get this resolved. If you have further questions or concerns, please do not hesitate to re-contact YourMechanic as we are always here to help you.
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