Question about 2000 GMC New Sierra 1500
Sounds like you have a bad actuator motor that is what moves the door in heater box to change from hot to cold
Posted on Jan 30, 2010
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Posted on Jan 02, 2017
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Jan 23, 2013 | 2000 GMC Sierra
Jan 28, 2011 | 2000 GMC Sierra
Jan 15, 2011 | 2000 GMC New Sierra 1500
Please see my tip at http://www.fixya.com/cars/r6235876-no_heat_fan_blowing_cold_air . These are generic instructions. If you get stuck or need specific instructions for your car, please get back to me with model, year and engine info.
Dec 28, 2010 | 2003 GMC Sierra 1500
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Aug 23, 2009 | 2000 GMC New Sierra 1500
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Dec 31, 2008 | 2000 GMC New Sierra 1500
Nov 16, 2008 | 2000 GMC New Sierra 1500
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