Idk I'm not much of a mechanic I'm not going to do a little bit but. I was driving the truck and stop pulling completely I'll go get some food and put some food in it running through the gears and all my foods on the ground.
Gotta know where it's coming out from to even begin to diagnose it... Mine blowers a little out of the vent but not all the time and not a large amount. Have not figured it out yet