Well, it's done it since new, always assumed the 6.7 had an electric fan somewhere. Had Dennis@strictly diesel say that sound is not normal.. so I looked into it and it seems it's a known issue....
Mine sounds just like this, anyone else have this issue?
http://www.ford-trucks.com/forums/1215761-2013-6-7-with-whining-issues-under-the-hood.html
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Mine sounds just like this, anyone else have this issue?
http://www.ford-trucks.com/forums/1215761-2013-6-7-with-whining-issues-under-the-hood.html
Sent from my SM-N900V using Tapatalk