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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  • 1 POST
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
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DOCFIXIT
  • ✓ASE Certified Mechanic
  • 18,828 POSTS
  • ASE Certified Mechanic
Somthing slide from dash into defrost vent and is hitting squirl cage or cage has broken blade striking case.
Jan 12, 2010 at 1:20 PM
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