The answer is too involved to answer here. Buy a repair manual ($12) at most auto parts stores. There you will find detailed instructions.
The 2004 Nissan Altima has a 5-speed manual.
The 2003 Nissan Altima has a 5-speed manual.
The 2006 Nissan Altima has a 5-speed manual.
The 2007 Nissan Altima has a 6-speed manual.
The 2001 Nissan Altima has a 5-speed manual.
The 2002 Nissan Altima has a 5-speed manual.
The 2008 Nissan Altima has a 6-speed manual.
The 2005 Nissan Altima has a 5-speed manual.
Get a manual on your car and it will show you with picures,
how do you change the transmossion fluid in a manual nissan altima se?
it should say in your owners manual.
I have a 95 Altima with manual transmission. I'm assuming it would be in the same place as mine. The drain bolt is a 12mm about 6 inches to the left as your looking at it and just slightly lower