Question about 2004 Chevrolet Silverado
Posted by Anonymous on
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Posted on Jan 02, 2017
Its more then likely the temp door broken or temp door motor broken/stuck. There is 2-3 of these motors under the dash on the side of the evap/heater core box. Some require extensive labor to replace, good luck
Posted on Jul 29, 2009
with truck off, move passenger to full hot and driver's to full cold. turn key on and run air for 15 seconds.
turn key off
move climate controls to opposite positions and turn key on again with air on. Run for 15 seconds. turn key off.
center temp controls and turn key on again. this should fix you.
Posted on Apr 16, 2010
Just had this happen today to my 2007 silverado heat on the right side cold air on the left side. After engine was off 15 minutes and restarted heat was on both sides. I'm guessing a relay failed to open door to allow the heat to flow thus blowing cold air.will monitor diligently for a while.
Posted on Feb 09, 2011
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