2008 Chevy Silverado smell

2008 CHEVROLET SILVERADO
28,000 MILES • V8 • 2WD • AUTOMATIC
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JAYMICHAELS
  • MEMBER
  • 1 POST
got a very bad gym sock smell without the compressor on. when the the compressor is on it's fine. can you help?
Sep 17, 2009 at 3:52 PM
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QUAGMIRE86
  • ✓ASE Certified Mechanic
  • 98 POSTS
  • ASE Certified Mechanic
I would have to say that the heater core has accumulated mold/fungus (warm, dark, enclosed space). There is a product that you can spray on the heater core that is anti-microbial to aleviate the problem but I don't remember the brand name off hand.
Sep 20, 2009 at 8:56 AM
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