Power steering problems on Renault Clio

The steering on my mum's 2007 Renault Clio is tight when in the straight ahead position and doesn't respond to tiny inputs, however if a little force is applied the power steering works fine. Could the pump be on its way out?
That reads quite good to me for straight line stability. But it's not as it should be. Perhaps a change of PAS fluid might help.
Answered by Honest John on

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