VERY LITTLE AIR COMES OUT OF MY HEATER/AC VENTS

  • Tiny
  • jgreinbold
  • 2001 GMC Sierra
  • 75,000 miles

Very little air comes out of my heater/AC vents, even on the highest speed, in my 2001 Sierra 2500HD truck I just bought. It doesn't seem to make a difference if its on "outside" air or "recirc" air. Any idea what might be wrong?

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Friday, August 31st, 2012 AT 7:08 PM

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  • Tiny
  • KHLow2008
  • Expert
  • 41,997 posts

Check the cabin filter first. If it is badly clogged, air flow would be restricted.

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Friday, August 31st, 2012 AT 7:28 PM

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