1993 Other GMC Models noise and shaking

1993 GMC
15,100 MILES • V8 • 2WD • AUTOMATIC
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BASTOFARM
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When I press the gas pedal and accelerate my full size van shakes and makes a loud humming noise. What could be the problem?
Oct 19, 2008 at 9:49 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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