Changing filter with stock pan normal service uses about 4-5 QUARTS, I usually put 3 quarts in start truck, run thru gears get up to operating temp then in neutral at operating temp check add 1/2 quarts.
Be careful at the right oxygen level /temp everything burns, trans fluid will burn.
see
2000 Dodge Durango transmission leak disaster - YouTube
Be careful at the right oxygen level /temp everything burns, trans fluid will burn.
see
2000 Dodge Durango transmission leak disaster - YouTube