2004 Chevy Cavalier heater fan noise

2004 CHEVROLET CAVALIER
38,000 MILES • 4 CYL • 2WD • AUTOMATIC
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ORANGECAV
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The heater fan on my 2004 chevy cavalier is working but is making a banging noise. What would cause this.
Jan 12, 2010 at 12:48 PM
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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