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2005 F-350 6.0 powerstroke banging noise near firewall
I purchased a 2005 4x4 F-350 Powerstroke in March. Just recently I've noticed that when I turn my air or heat on, i get a slight banging noise that sounds like it's coming from the firewall or the floor. It is intermittent when I keep the air or heat on, but it is most pronounced when I first turn the air or heat on. Any suggestions???
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