Level should remain fairly constant. oil changes 3-5k mi. If you are losing oil, that is a sign of wear.
You should change the oil every 3000 miles in as 1994 Dodge Van.
5w30 or 10w30
You can. It won't hurt, and could provide a few benefits.
how often you change oil to a E350 2012..
The basic steps to changing the oil in a van are; step one, drain oil from the van; step two, add new oil into the van. Also you must find a place to dispose of the oil. You cannot put it into the sewer.
5.2 and 5.9 V8 engines take 5qt book says 5.5 quarts i just put 6
Wiyh care
Take it to an oil change place and have them do a cooling system flush immediately.
Factory Spec is 5x20 but if the van has a lot of miles then put in 5x30.
4.2 litre then check dip stick
broken engine gasket.
enough so the dip stick is to the full mark