One problem related to lose power steering has been reported for the 2010 Chevrolet Impala. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2010 Chevrolet Impala based on all problems reported for the 2010 Impala.
I was making a right hand turn on a surface road when vehicle suddenly lost power steering assist. Dealer service department diagnosed as no pressure from power steering pump. It was determined that shaft had broken on the pump. Installed power steering pump kit (06605-c) and new shaft. Replaced power steering fluid.