Question about 2000 GMC New Sierra 1500

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Blower fan not working correctly

My blower fan on my 1999 gmc sierra does not blow air very strong. when i turn it up to 5 you can hear the motor turn up but the presure does not change.

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  • MrCaesar May 11, 2010

    When was the last time you changed the cabin air filter?

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I had the same problem. There is a filter down under the passenger side of the dash that clogs up and stops the air from blowing out any of the vents. I removed the filter completely and now it blows like new.

Posted on Jan 10, 2009

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