why not get yourself a service manual and read the step by step instructions!?
Your 1998 Nissan has a timing belt. Every combustion engine has a timing belt. The automaker recommends you change the timing belt every 60,000 miles.
the 2.5 Nissan engine has a timing chain
The 3.3 litre V6 engine in a 1999 Nissan Frontier has a timing BELT
The 3.3 liter V6 engine in a 1999 Nissan Frontier has a timing BELT
In a 1989 Nissan Pulsar NX : The 1.6 litre four cylinder engine has a timing CHAIN The 1.8 litre four cylinder engine has a timing BELT
The 4.0 litre V6 engine in a 2010 Nissan Frontier has a timing CHAIN
The 1989 Nissan Stanza 2.0 4 cylinder has a timing belt. This is also an Interferance Engine, and as such if the belt breaks, serious engine damage will occur. The belt should be replaced at 60,000 miles.
chain
If your question was "Does a 2004 Nissan Frontier have a timing belt?", the answer is YES if it's a V-6 engine, and NO if it's a 4-cylinder. The 4-cylinder engine has a timing chain rather than a belt.
The 3.3 litre V6 engine in a 2003 Nissan Frontier has a timing BELT
Chain.
Chain.