Originally Posted by troutslayer
What does the smell, smell like?
X2, Could be a lot of things, is it stronger in any particular area? If it smells like sewer it could be a trap that sloshed the water out. Our htt shower does that, so I pull a drain plug in while traveling. There are a series of spring loaded vents under each sink, I have seen them go bad. If the odor is up in the cab, you might have a antifreeze leak in the heater core.