The plastic hoses and hose connections under the hood may be the problem. They get brittle and crack, and so your washer fluid may be coming out inside the engine bay, or underneath the hood insulation. The tubing and fittings are not too hard to replace yourself, though, if they're broken.
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2008 Liberty Sport 4x4 Automatic
Jeepin By Al 4" Lift Kit
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Full MOPAR skid plates
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AtTheHelm Front Recovery System & Roof RackM116A3 Trailer build thread: viewtopic.php?f=72&t=77997