2004 Peugeot 807 • 2WD Manual • 220,000 miles

I have a 2.2hdi glx 04 peugeot 807 which has 220000 miles on clock, whinning noise coming from ofside front of car when u turn wheels from left to right and slowing down in gears, could it be power steering pump?Also have been told that if I take out particulate filter clean it and put back car will perform better. Andy
February 13, 2011.

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