Mechanics

PONTIAC MONTANA ENGINE PROBLEM

2001 Pontiac Montana • 17,000 miles

While driving, starting at about 25 mph. It sounds like a helecopter and gets louder with speed. There is no vibration. When sitting still you can race the engine but no noise. I have put the van on jack stands and put the engine in gear at about 2000 rpm still no noise?
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Fred McReynolds
January 21, 2013.



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