Every 100,000 miles.
A ( 2004 to 2006 ) Chrysler Pacifica 3.5 litre V6 engine has a timing BELT A ( 2006 to 2008 ) Chrysler Pacifica 3.8 litre V6 engine has a timing CHAIN A ( 2007 and 2008 ) Chrysler Pacifica 4.0 litre V6 has a timing BELT
There is not a fuel filter to change on a 2004 pacifica. They use the sock in the tanks for that, apparently.
It has a belt. The 2004 model was only offered with the 3.5L engine. Chrysler recommends 1st inspection at 70,000mi. Then every 15,000mi after unless you change it, then mileage starts over. MGL
Change the timing belt every 100,000 miles.
It is on the starter.
on the transmission
You pry it out.
Replace the timing belt every 100,000 miles.