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If you drive your 4x4 hard enough, you'll find the weak points on the vehicle. While nobody likes breaking down on the trail, it's an inevitable reality for many. Preventative maintenance is one to keep from being stranded, but your trail prep shouldn't end there. On vehicles such as the '97-'06 Jeep Wrangler TJ, a major weak link can be found with the Dana 30's front axleshafts. In stock form, the 1040 steel 'shafts are plenty adequate. However, when you add in heavier and oversized tires into the equation, akibg with a front traction aid such as a differential locker, the 'shafts and U-joints are known to fail.

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