How do I replace the starter on my 1998 Olds Regency?

SOURCE: 1999 olds aurora starter

The starter is located under the intake manifold.

SOURCE: 89 oldsmobile 98 won't start

If you suspect its a fuel problem best to do a fuel pressure test, you can rent a tester at auto zone and do it yourself. They also can show you how to use it and what pressure it should be. Also if you turn the key to on position you should hear a hum from the gas tank and then a click that is the pump running and the click is the relay, if you don't then the pump isent running, also chk. the fuse and relay, it could be as simple as a blowen fuse or a bad relay.

SOURCE: 1991 oldsmobile 98 fuel filter replacement location?

my fuel filter is located right behind the pass side tire on the inner side of the frame.

SOURCE: 1998 oldsmobile regency oil capacity

4.5 quarts of oil including the filter. that is assuming you have the 3.8 lliter v6 engine.which is standard. you can put about 1/4 quart of oil in the filter and then screw it on the oil filter housing. this will help eliminate a dry start condition when you crank the engine over after changing the oil and filter. put the remaining 4 quarts in, run the engine for 30 seconds and then check the oil level to top it off.

SOURCE: where is the starter for a 1995 oldsmobile 98

The starter motor for your Oldsmobile is mounted at the front lower part of the engine, just behind the radiator.
Book time to replace by an experience person is 1.1 hours.
If you are looking to do this yourself, disconnect the battery negative terminal and isolate it.
Remove any covers or braces in order to access and remove the starter.
Remove the wires to the solenoid on the starter, then the bolts retaining the starter to the engine.
There may be some shims between the starter and the engine. You may need to replace these with the new starter.
Hope your repair goes well.

KL