I hear the sound sometimes when I turn my steering wheel.

2004 BUICK RANIER
86,600 MILES
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ALLEY CAT
  • MEMBER
  • 1 POST
Why would my 2004 Buick Rainier make a roaring noise periodically when the steering wheel is moved, if the power steering reservoir has adequate fluid? Not every time. I had the reservoir checked by an NTB tech, but the sound would not happen when the tech drove the car.
Oct 24, 2011 at 10:33 AM
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DAN_K
  • CAR REPAIR CONTRIBUTOR
  • 213 POSTS
The pump may be "cavitating" and causing air bubbles - and the air may be trapped in the lines. Ask your mechanic to bleed the air out of the lines...sometimes a hand-held vacuum pump is necessary.
Oct 26, 2011 at 9:41 PM
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