2000 CHEVROLET S-10 HEATER VACUUM HOSE

  • Tiny
  • Dirt Reaper
  • 2000 Chevrolet S-10
  • 160,000 miles

I have a 2000 Chevy S10 Pickup and my heater started making a Humming noise. If I Unplug the Vacuum Hose from the Nipple that goes in the Fender Wall, it quits humming but sucks a lot of air through the T. Does anybody have any ideas on why this does this or what the problem could be?

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Wednesday, June 12th, 2013 AT 6:20 PM

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  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,409 posts

If I recall, the breather goes into the fender on a 2000. If that noise stops when you remove it from the fender, there must be a blockage either in the hose or the fender itself. Make sure no leaves or other things are blocking things.

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Wednesday, June 12th, 2013 AT 8:05 PM

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