Steering: hose, piping, and connections
Free remedy
GM IS RECALLING CERTAIN MODEL YEAR 2012 CHEVROLET IMPALA VEHICLES MANUFACTURED FROM APRIL 19, 2011, THROUGH JULY 29, 2011. THE UPPER POWER STEERING HOSE MAY HAVE BEEN MISROUTED SO THAT IT CAN COME IN CLOSE PROXIMITY TO AND/OR CONTACT THE CATALYTIC CONVERTER. WITH THE ENGINE ON, HEAT FROM THE CATALYTIC CONVERTER MAY MELT THE POWER STEERING HOSE.