Most of the later GM washer pumps are located at the botoom of the washer fluid container. You will need to remove the tank to get access to the pump.
Its located right on the side of the windshield washer tank. It slides in and out for replacement.
Should be able to access under hood at center firewall plastic panel may have to be removed
$300 with labor
Replace the radio.
Get a hammer, and break it
the pump is often located behind the plastic on the front passenger wheel well. when you fold back that plastic you will see the pump on the side of the windshield washer container.
If you have some vehicle repair knowledge you can replace them yourself. If not, it is best to have a mechanic look at it.
Begin by removing the washer fluid tank hoses from your 1998 Oldsmobile And tree. Remove the washer fluid tank retaining bolts. The washer fluid tank will come off.
If you push the fluid button and the wipers move then it is the pump
it should be under the cowl on the pass side of the car
I had to change my wife's a few months ago. You have to take a couple maybe 3 screws out of the passenger side front wheel well liner.Turn your tires all the way to right first. Pull back the plastic liner(wheel well) near bottom front and you will see the pump. Pretty easy from there. Switch em.
Use a 12 Volt test light 2 make sure U have 12 volts & a good ground @ the motor connection-IF u do, the motor(if good) will run.IF no runnie then down 2 your local parts store U go.