The question you ask is too involved for a proper answer. You may want to go to a car parts store, and get a repair manual for your car. They cost about $16.00 Or, go to a Public Library.
new answer: The Autozone website has a great 'do it yourself' section that includes the answer to your question, with illustrations and all. Anne
The 2001 Nissan Altima has 16 valves.
back of assembly and twist.
The 2001 Nissan Altima has an inline 4 engine.
The 2001 Nissan Altima has a 5-speed manual.
The 2001 Nissan Altima is a gas-powered vehicle.
The height of the 2001 Nissan Altima is 4 ft. 7.9 in. (55.9 in.).
where do i find the srs fuse for a 2001 Nissan altima
The 2001 Nissan Altima runs on regular unleaded.
The 2001 Nissan Altima has double overhead cam (DOHC).
The 2001 Nissan Altima is 15 ft. 5.8 in. (185.8 in.) long.
Nissan altima 2001 hesiates at stop light?
The 2001 Nissan Altima has 55.7 in. of front shoulder room.