DEF tank size
We have a new 2013 Fleetwood Expedition. I thought the DEF tank was suppose to be 5 gallons. It read at the dash and the tank gauge half full. I added 2.5 gallons and it only came up to 3/4 full. ...
Forum Discussion
It's a freightliner chassis. I only brought this up to see if my gauges aren't functioning properly. If it were a five gallon tank I would have filled it. Looking at the tank, well I'm not such a good judge of size I guess.
