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Hello I'm Paul and I will help you with an Answer to your Question
a couple of common causes for whining noises are the Power steering pump and the Transmission.it sounds like yours is most likely the power steering pump
a mechanic can find the sorce in a couple of minutes using a mechanic stethascope.if it is in fact the power steering pump you could try flushing it and filling with ATF+4of the noise does not go away you may be replacing the pump
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thanks, XXXXX XXXXX it in tomorrow to have it checked out - will let you know if I have more questions
no cold air blowing out when ac is on but low pressure