Dodge 2004 Ram Pickup 3500 - Manual (Page 328)

NOTE: The same oil change interval is to be followed
for synthetic oil as for petroleum based oil. Also, syn-
thetic oil must meet the same performance specifications
as petroleum oil.
Engine Oil Filter
Refer to Recommended Fluids, Lubricants and Genuine
Parts for the correct part number. The engine oil filter
should be changed at every engine oil change.
Engine Oil And Filter — Change
WARNING!
Hot oil can cause personal injury.
Operate the engine until the coolant temperature reaches
140°F (60°C). Shut the engine off. Remove the oil drain
plug.
Use a container that can hold at least 12 quarts (11.3
Liters) to hold the used oil.
328 MAINTAINING YOUR VEHICLE