One problem related to steering pinion shaft has been reported for the 2011 Chevrolet Impala. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2011 Chevrolet Impala based on all problems reported for the 2011 Impala.
On 7/22/2011 while operating the vehicle at highway speed, the power steering abruptly quit working. Vehicle was repaired by dealership (al serra Chevrolet north - colorado springs) under warranty. Mileage 5875. On 9/27/11 while operating the vehicle at highway speed, the power steering abruptly quit working. Vehicle was repaired by dealership (al serra Chevrolet north - colorado springs) under warranty. Mileage 7661. On 2/16/2012 while operating the vehicle at highway speed, the power steering abruptly quit working. Vehicle was repaired by dealership (al serra Chevrolet north - colorado springs) under warranty. Mileage 9948 on 8/20/2013 while operating the vehicle at highway speed, the power steering abruptly quit working. Vehicle was repaired by dealership (al serra Chevrolet north - colorado springs) under warranty. Mileage 23429 on 8/13/2014 while operating the vehicle at highway speed, the power steering abruptly quit working. Vehicle has not yet been repaired. Mileage 27130. On each occasion dealership stated that the seal for intermediate shaft on rack and pinion failed and the rack and pinion were replaced. Problem continues to occur. This is a serious safety hazard for this vehicle. . .