I agree- there is no reason why a vehicle with 17k miles on it should have a distinctive wobble when going over a tiny bump. Nevertheless, my dealer is not going to replace the crappy aluminum steering box... at least not yet.
I took my Jeep into Discount Tire today, and they found the front wheels were indeed out of balance. After the tires were brought back into balance the wobble is definitely less noticeable- but I still get a slow wobble between 40-45mph when I hit just the right kind of bump. I'm glad I don't have the severe "death wobble" other Jeeps have experienced. Fortunately, my Teraflex Falcon Nexus 2.2 Steering Stabilizer arrived today (plan to install tomorrow a.m.), which should "mask" the defective suspension design FCA put into the JL. Hopefully I'll have no wobble until they decide to replace the steering box (if I have to, I will eventually just purchase the steel box, which I'm sure is what FCA wants).
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