2004 Nissan Altima Power steering

2004 NISSAN ALTIMA
4 CYL • 2WD • AUTOMATIC
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PFB2015
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Having problem being able to turn steering wheel left or right. It is ok making casual bends in the road but not if making a turn at a stop light or pulling out of a parking space. I have checked the power steering fluid and it is full.
I appreciate it if you can give me an idea of what the problem could be.

Thank you.

Mar 19, 2015 at 8:27 PM
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CARADIODOC
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When steering effort is affected both directions equally, that is typically caused by a worn power steering pump. You didn't list the mileage so i can't make any judgements related to that. Your car uses the "ZF"-style pump which is known for worn vanes and the resulting low pressure, but the symptoms include the power assist usually comes back when you raise engine speed.

Most manufacturers have seen fit to add an unnecessary computer to the steering systems, so that adds another series of potential problems. Your mechanic will have to use a scanner to view live data to see if there's an electrical problem causing loss of power assist.
Mar 19, 2015 at 9:05 PM