If Its Complete EPS Then There Should Be No PS Pump.....!! Electro Hydro Might Require Both Of Them....!!
I Hate Hydraulic PS Units ...They Are Always Pain SOmehow.....!!! Rack Leaking....Bottle Leaking....Pump Making Noises Etc Etc...!!
Even In New Cars...You Can't Get Away Trouble Free Too Long....!!
One Reason Is Bad Quality Oil Used....!!!