What causes the Power steering to go in & out ? sometimes in mid turn on 2002 Dodge Grand Caravan

On several times the power steering would go out & in a few minutes it will come back ... It makes no noise & fluid level looks good ... Any Ideas ? the van has over 200,000 miles ...

by in Macon, GA on September 09, 2012
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1 answer
ANSWER by , September 09, 2012
poss rack and pinion starting to go out