Mechanics

WHINNING SOUND FRO, POWER STEERING

1999 Mercedes Benz ML350

Steering problem
1999 Mercedes Benz ML350 6 cyl Four Wheel Drive Automatic 150000 miles

I have 1999 Mercedes Benz ml350, after warming up engine, the power steering pump makes a whining sound at 1500 rpm. I have replace the rack & pinion and the power steering pump and yet it still makes the whining sound. Can you help me fix the problem and if not can you give me any suggestions?
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Lee12204
June 16, 2010.



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