Car is whistling when I start up Real Loud sound. Also where can I get a diagram of my engine?

1999 PONTIAC GRAND AM
175,000 MILES
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ASHEPHERD
  • MEMBER
  • 1 POST
Whistling Sound. Diagram of engine
Jan 5, 2012 at 9:17 PM
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SATURNTECH9
  • ✓Experienced Mechanic
  • 30,869 POSTS
So is the whistling only at idle?Does it sound like a tea kettle?
Jan 5, 2012 at 9:59 PM
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