1999 Chevy Van Fan noise when heater or air conditioner run

1999 CHEVROLET VAN
63,200 MILES • 6 CYL • 2WD • AUTOMATIC
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WITTENBD
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  • 1 POST
The fan is making a repetitive noise, as though it is hitting something, when the air conditioner is turned on. It sounds like a ticking - almost tweeting sound.
Oct 21, 2009 at 7:55 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Check the blower motor fan could be hitting on its housing
Oct 21, 2009 at 8:46 PM
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