Hi,
Have you checked the ball joints? Also, am I correct is understanding it happens on a smooth surface and doesn't require bumps to cause it? Is it loud enough that you could record it and upload it for me to hear?
I attached two pics below. The first one shows ball joint location. Simply lift one front wheel at a time and place your hands at 6 and 12 o'clock and see if there is play in the joint.
The second pic shows the stabilizer bar in the front. Make sure the stabilizer pins are not loose / worn. Also, take a pry bar and check for excessive play in the bushings on the bar as well. When checking the pins, the vehicle should be on the ground.
Let me know what you find.
Joe
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Saturday, July 25th, 2020 AT 10:03 PM