With a pneumatic impact gun.
Jack the motor up and take the motor mount loose on the top right side. Carefully lower the motor down until you see the crankshaft bolt on the bottom. Then take the center bolt off the crankshaft and then the pulley will come off.
The crankshaft spins counter-clockwise on a 1997 Honda. To remove the bolt for the main pulley spin the bolt clockwise.
Take the crankshaft bolt off,big bolt holding the crankshaft to the engine,can be a little difficult pull the crankshaft out and the bolts should be right there,go in through the wheel well,youll have to remove your passenger tire first
1998 Nissan pathfinder crankshaft pulley bolt is right handed.
Remove belt, remove crankshaft bolt with air impact tool, remove balancer pulley with a balancer puller. Then you will be able to get to it.
The crankshaft pulley unbolts from the harmonic balancer. The harmonic balancer can be removed from the crankshaft with a 3 bolt puller.
Counter clockwise
remove center bolt and use the required puller
Turn the bolt to the left to remove it.
The crankshaft bolt torque specification is 240 pounds of pressure. The crankshaft bolts should be torqued in 60 pound intervals.
Counter Clockwise.
put the car in drive and crankshaft wont turn anymore. then you can take off the bolt