Chrysler has added more than 137,000 Jeep Liberty SUVs to a recent safety recall, bringing the total number of vehicles affected to nearly 347,000, according to the National Highway Traffic Safety Administration.

Why it’s being recalled: The lower control arms in the rear suspensions of the Libertys can rust and break, possibly causing them to crash. So far, the company knows of no crashes or injuries that have resulted from the problem.

Description: The expanded recall includes the 2006 and 2007 model years. In March, the company sannounced it was recalling about 200,000 Libertys from the 2004 and 2005 model years for the same problem..

Where they were sold: Vehicles affected by the recall were sold or registered in Connecticut, Delaware, Illinois, Indiana, Iowa, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia, Wisconsin and Washington, D.C. They were built from July 3, 2003 through June 29, 2007.

Chrysler says it will inspect the parts and replace them for free if needed. The company plans to notify owners of the added vehicles by the end of June. Customers with questions can call Chrysler at (800) 853-1403.