basically i replaced my stepper due to not idling right all was well ran the car till the fans cut in idled fine went to drive off and now wen i turn the steering the whole car vibrates i looked at the pipes from pump and they are vibrating and making a nasty noise??? is this just pure coincidence that it went as i was running the car up or what im confused i didnt move the wheel and the pump by looks of it has gone? any help with this would be appreciated dnt fancy fitting a pump if i dnt need to