Smoke Coming from Drive Axle Area

What about the hub?

It's been 10 hours. Did you figure out what it was?

 

the truck was regen’ing. The few Macks i’ve driven with emissions were like that, you would see smoke rolling out by the passenger side drives while driving. I remember the 2011 Mack did it and it drove me nuts trying to figure out where it was coming from. Eventually i had a guy in the passenger seat and he stuck his head out the window to find the smoke coming from the dpf box under the passenger side of the cab.

 

Old saying. Just drive it. Keep eye on It, it’ll show itself.

 

That extra 3 k is normal Canadian weights on drive axle it won’t cause any smoke. I agree on it doing a regen