This sounds like a classic case of the belt tension being incorrect. The pump is loaded when turning to full lock in either direction and causes the belt to slip when to loose. Adjust the belt and the noise should go away. If it is excessively worn it may pay to replace the belt.
1998 Nissan pathfinder crankshaft pulley bolt is right handed.
There is either a tensioner or an adjustment screw on a pulley. A Haynes manual or Chiltons manual will help with the routing of the belt, and how to adjust the belt tension as well. Usually the idler pulley is used, before loosening the top bolt , loosen the center bolt of the pulley.
The crankshaft pulley bolt for a 1997 Nissan Pathfinder is typically an M12 x 1.25 size bolt. It's important to ensure the proper torque specifications are followed when installing to avoid any issues. Always double-check with a repair manual or parts supplier for the most accurate information specific to your vehicle.
Use a puller. there are two holes on the in side of the pulley. I had to clamp the sides to the pully to the puller, the holes just stripped out. U could drill and re tap the holes to match the bolts on the puller.
what pulley/ there are only about 7 or so on a vehicle. water pump, alternator, ac, power steering pulley
The Alternator and Power Steering Units have a tensioner bolt on each. The final tensioner bolt is just above the tensioner pulley in the top center.
Most likely the new pulley is not in line with the rest.
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it could be your pulley that keeps tension on your belt or it could be a belt
the pulley on the harmonic balance drives the alternator belt. this is the pulley at the bottom of the engine ,on the front of the crank shaft if this pulley is not turning you have a problem. this means either the key is missing or the crankshaft is broken
it is time to change bearing on that pulley