[quote="Frylock"]Sometime this week a thumping noise has started, only happens when turning the steering wheel right, like just before it starts to turn the tires (with and without engine running).....There is a thump sound and a slight almost shake of the jeep, like I can feel it from the floor boards. I finally had some help today and the noise is coming from the gear box

......The shafts dont have any play and it doesnt look like anything is loose. Still very driveable, but I think there is a little more slop then there used to be.
So does this sound like something a gear box would do before it takes a shit? I really dont want anything to do with steering to break while on the trail, a PSC hydralic assist kit has always been the plan, just havent needed it yet. If I do go that route, what kit is best for 37+ tires? Extreme duty one needed?
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The trail & Street kit has the ram that is a little smaller and handles better on the road. The extreme has the bigger ram that gives more turning power on the trail, but can be too touchy on the freeway. You have to decide what you want on that one.
Have you checked the joint between the steering shafts, and the mounting bolts for the steering box? Also check the drag link and rod ends for failure. It is entirely possible that the steering gear is going out and is common with Jeeps running 37s on the stock box.