Replacing the Alternator in a 1998 Nissan Pathfinder

by John Rose

The alternator is essential to the operation of the electrical components on the Nissan Pathfinder. Contrary to popular belief, you do not "have awhile" when the alternator dies. The electrical requirements will quickly drain the battery, even if you turn off everything that you can possibly operate the vehicle without. It's not that difficult to replace, so there's no need to take the vehicle to the repair shop and pay high labor charges. Replace the alternator in your own driveway as soon as you know there is a problem with it.

Step 1

Remove the negative battery terminal using a wrench to loosen the nut.

Step 2

Unplug the wiring harness from the alternator by squeezing the clip and pulling it out. Disconnect the other wires using a wrench to remove the nuts.

Step 3

Loosen, but do not remove, the alternator bolts with a socket and ratchet. Push the alternator to the back and remove the alternator belt.

Step 4

Remove the bolts from the alternator and pull it out of the vehicle. Put the new alternator in place and loosely install the bolts. Put the alternator belt on and pull the alternator to the front of the car to tighten the belt. Tighten the bolts with the socket and ratchet.

Step 5

Plug the wiring harness into the new alternator and then reconnect the other wires. Tighten the nuts with a wrench. Reconnect the battery terminal.

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