1998 Jeep Wrangler steering problems

While driving on rt 84 in new york state steering went out causeing the jeep to be thrown across three lanes of the interstate.the jeep then rolled over down the medium strip. Driver was ejected from jeep the other three passengers remianed in jeep sustianing bruises. Airgags never deployed while jeep was rolling over.

1998 jeep wrangler 4.0l, exhaust manifold crack at 30,000 miles. Jeep/chrysler refused to fix, stating only catalytic converter covered under warranty. Crack occurred in a weld joining the two pipe, almost 3/4 of the way around the pipe, causing cosiderable noise, and loss of power. Guages fail periodically, but come back on there own, after a few minutes. Air conditioner drains onto floor inside vehicle on long drives and can even short out the radio.