Harbor_SS'n-it Posted March 14, 2016 Report Share Posted March 14, 2016 Anybody else have this issue? Every time I go to run the A/C in my truck I hear a slight knocking from behind the center console underneath the dash. Wondering if anybody else has had this issue and what did you find. Quote Link to comment Share on other sites More sharing options...
Aldofashow Posted March 14, 2016 Report Share Posted March 14, 2016 I wonder if something found its way into your air box Quote Link to comment Share on other sites More sharing options...
eberhama Posted March 14, 2016 Report Share Posted March 14, 2016 Could be a blend door motor thats out of range, thats trying to move a door farther than is supposed to, making the motor click or thump on the heater box. Quote Link to comment Share on other sites More sharing options...
Harbor_SS'n-it Posted March 21, 2016 Author Report Share Posted March 21, 2016 Going to have to take a look at it on my next days off. its hardly noticeable I'd have to have the radio down to hear it. I hope its something minor. Quote Link to comment Share on other sites More sharing options...
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