1999 Pontiac Grand Prix supercharger

1999 PONTIAC GRAND PRIX
177,400 MILES • 6 CYL • 2WD • AUTOMATIC
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SILVERGTP
  • MEMBER
  • 1 POST
having a supercharger noise
May 16, 2009 at 8:19 AM
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MMPRINCE4000
  • ✓ASE Certified Mechanic
  • 8,548 POSTS
  • ASE Certified Mechanic
Superchargers do whine a little. But check oil supply and check belt tension. otherwise it is probably a bearing going bad.
May 16, 2009 at 9:13 AM
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