Ford Mustang 2001 Owner's Manual page 241

Filling station information
MERCON V are not interchangeable. DO NOT mix
MERCON and MERCON V. Refer to your scheduled
maintenance guide to determine the correct service
interval.
3
Service refill capacity is determined by filling the
transmission to the bottom of the filler hole with the
vehicle on a level surface.
4
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.
240