Originally Posted by
2000silverbullet
Got a video of it? Can you tell what part of the truck it's coming from (front/rear/outside cab/inside cab/etc)? Does it do it at idle?
I haven't heard any hissing out of mine, nor have I heard similar reports of this (that I remember).
No video. Seems to be coming from outside of cab. Maybe from the exhaust system or motor , not sure. I will start paying more attention to it and advise.