FORD 2010 Mustang v.2 - Manual (Page 293)

Checking and adding manual transmission fluid (if equipped)
1. Clean the filler plug.
2. Remove the filler plug and inspect the fluid level.
3. Note: There are two different manual transmissions used in this
vehicle and they have different fluid levels. For vehicles equipped with a
V6 engine, the correct manual transmission fill level is at the lower edge
of the filler hole. For vehicles equipped with a V8 engine, the correct
manual transmission fill level is 1/2 inch (1.3 cm) below the edge of the
filler hole.
Maintenance and Specifications
293
2010 05+ Mustang (197)
Owners Guide, 2nd Printing
USA (fus)