FORD 2001 Expedition - Manual (Page 280)

Some transmission fluids may be labeled as dual usage, such as
MERCON
௡ and MERCON௡ V. These dual usage fluids are not to be used
in an automatic transmission that requires use of the MERCON
௡ type
fluid. However, these dual usage fluids may be used in transmissions that
require the MERCON
௡ V type fluid.
MERCON
௡ and MERCON௡ V type fluids are not interchangeable.
DO NOT mix MERCON
௡ and MERCON௡ V. Use of a transmission
fluid that indicates dual usage (MERCON
௡ and MERCON௡ V) in
an automatic transmission application requiring MERCON
௡ may
cause transmission damage. Use of any fluid other than the
recommended fluid may cause transmission damage.
3 Indicates only approximate dry-fill capacity. Some applications may vary
based on cooler size and if equipped with in-tank cooler. The amount of
transmission fluid and fluid level should be set by the indication on the
dipstick’s normal operating range.
Filling station information
280