Mechanics

WHINNING/GRINDING NOISENOISE

1991 Lexus LS 400

Steering problem
1991 Lexus LS 400 V8 Two Wheel Drive Automatic 175000 miles

I have replaced the power steering pump, the serpentine belt and there is still a noise occuring when the steering wheel is turned and sometimes when the wheel is not turned. If I put my hand on the power steering pump the vibration matches the sound. The fluid is up to the proper levels. I keep wondering if there is air in the system somewhere and how do I get it out or if there is another problem I am missing. Let me know and thenks in advance for what you do.
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Jl9238
July 31, 2010.




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