bryanbone Posted April 1, 2013 Report Share Posted April 1, 2013 So I searched old posts but couldn't find what I needed. All of a sudden last night I had my heat on the floor vent but noticed only cold air coming out and the heat was coming out of the defrost. I'm not sure what's going on. My truck is an 03 and I've never had this issue before. Any ideas what might be causing this? Thanks fellas. Quote Link to comment Share on other sites More sharing options...
BLNAWAY Posted April 1, 2013 Report Share Posted April 1, 2013 sounds like a blend door acutator issue.... is one of your heater controls set cooler than the other?? can you hear a clicking or ticking when when cycle key?? Quote Link to comment Share on other sites More sharing options...
[email protected] Posted April 1, 2013 Report Share Posted April 1, 2013 (edited) mine does it on occasion, I push the temp controls all the way cold then back hot and it warms right up. However mine seems to be all over cold not partially divided, Def going to go with you have a failed blend door as well. They appear to be fairly easy to change depending on which one it is Edited April 1, 2013 by SilveradoSS2003 (see edit history) Quote Link to comment Share on other sites More sharing options...
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