The fuel pump is in the gas tank. You have empty the gas tank, disconnect the hoses and holdup straps and then lower the tank. The fuel pump/gas gauge module are screwed into the top of the tank. Go to the library and take out the repair manual.
http://www.fixya.com/cars/t2924924-replace_fuel_pump_2000
Replace fuel level sensor in side fuel tank well known problems for these.
Gm vehicles do not use inertia/reset switches.
replace a fuel filter on a 1999 Oldsmobile Silhouette
Remove the upper intake.
that pump is in the fuel tank
In the fuel tank. Remove the fuel tank & take fuel pump out from the top. This is NOT a job for an amateur.
Most GM fuel filters are under or slightly behind the driver.
25 gallons
Replace the fuel filter and have the ignition module checked.
Remove fuel tank for access
GM vehicles are not equipped with a fuel pump inertia switch.