From Adidas2Go:
Its not hard to drain the CVT transmission fluid. Their are a few ways of doing this.
Procedure 1
1. Drive your car for about 10 min.
2. You leave the car running in park.
3. Disconnect the CVT fluid line coming from the radiator, going into the CVT. You will let this line drain into your bucket for disposal.
4. Refill with new CVT fluid at CVT fluid charging pipe, with the engine running at idle speed.
5. Refill until new CVT fluid comes out from CVT fluid cooler hose, you disconnected in step 3.
6. Reconnect everything, and your finished. Takes about 25 min, and 11 quarts of NS-2 Nissan CVT fluid.
Procedure 2
1. Remove drain plug from CVT oil pan.
2. Drain fluid
3. Reinstall drain plug in oil pan
4. Fill CVT with transmission fluid at the charging pipe
5. Drive CVT for 10 min
6. Check fluid level.
7. Add fluid if necessary.
Hope this helps guys
cvt-oil-change-t395369.html
and
http://www.nicoclub.com/FSM/Altima/2008/ma.pdf