Two problems related to power steering pump have been reported for the 2004 Chevrolet Impala. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Chevrolet Impala based on all problems reported for the 2004 Impala.
Power steering hard and trying to run hiit changed water pump.
I have replaced the power steering pump but steering wheel still hard to turn, this has been going on since early 2014.