Ford 2003 Mustang Workshop Manual page 2417

Refill
7. Position the magnet into the transmission fluid pan.
8. NOTE: The fluid pan gasket is reusable, clean and inspect for damage. If not damaged, the
gasket should be reused.
Install the fluid pan and gasket.
1. Position the fluid pan with the gasket in place.
2. Install the bolts.
9. CAUTION: The use of any other transmission fluid can result in the transmission
failing to operate in a normal manner or transmission failure.
Fill the transmission.
Add 4.7 liters (5 qts) of clean automatic transmission fluid to the transmission through the
fluid filler tube.
10. Start the engine. Move the transmission range selector lever through all the gear ranges,
checking for engagements.
11. With the engine running and the transmission at normal operating temperature 66-77°C (150-
170°F), check and adjust the transmission fluid level, and check for any leaks. If fluid is needed,
add fluid in increments of 0.24-liter (0.5-pint) until the correct level is achieved (fluid should be in
the cross-hatched area of the fluid level indicator).