2006 Pontiac Grand Prix Power steering

2006 PONTIAC GRAND PRIX
74,000 MILES • 6 CYL • AWD • AUTOMATIC
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WALTONAJ
  • MEMBER
  • 1 POST
Car makes a high pitched whir sound when turning. Have filled power steering fluid and it still makes noise
Sep 23, 2009 at 1:29 PM
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MMPRINCE4000
  • ✓ASE Certified Mechanic
  • 8,548 POSTS
  • ASE Certified Mechanic
Check the high and low pressure lines for leaks as well as the rack.
If no leaks, the pump may have a bearing going bad.
Sep 24, 2009 at 5:43 PM
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