If you have a transmission "Dipstick" which most cars do, you can slowly poor the tranny fuid in there (using a funnel) until it is at the appropriate level.(The dipstick will look a lot like your oil dipstick under your hood)
The transmission fluid needs to be changed in a 1996 Nissan Sentra every 30,000 miles. The transmission fluid capacity is shown when the dip stick registers full.
6quarts
Dextron 3
I have a 2001 Nissan Sentra SE and it was suggested I change it every 100,000 miles.
take it to the dealership, a nissan sentra takes atf fluid you can only buy at the dealership. For how much the fluid and tools for it cost it will be about the same price for them to do it
Dextron II.
Use Dexron II transmission fluid.
Dexron 3 or Nissan matic D. Same.
7 L
Usually runs between 110 and 150
there should be a fill plug on the side of the transmission case. its a bolt the size of a quarter.
It is a special oil {{ Madeic D}}