You need to remove the bolt, insert the special tool in the hole, and install a three jaw puller to pull the pulley off.
There is a crankshaft pulley, alternator pulley, power steering pump pulley, AC pulley, idler pulley, tensioner pulley, etc.
Remove the belt, then remove the bolt holding in the idler pulley.
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.
right side of crankshaft pulley
The crankshaft spins counter-clockwise on a 1997 Honda. To remove the bolt for the main pulley spin the bolt clockwise.
It requires a power steering pulley PULLER, You can rent them at a parts store.
Looking at the bottom side of the front of the engine at the crankshaft pulley, the CKP is at the 10 O'Clock position of the crankshaft pulley
remove 22mm center bolt its regular thread there are 2 threaded holes in pulley you will need the right pulley remover with the right bolts for the pulley you can get this at most parts stores make sure to not mess up crankshaft bolt threads
Pulley above the crankshaft pulley (lowest on engine)
The main pulley on which the serpentine belt goes on in a 1997 Chevy Lumina LTZ is the crankshaft pulley. The crankshaft pulley plays a role in the wheels turning and powering the alternator and power steering pump.
how to remove a power steering pulley on a 1997 Nissan altima
The crankshaft position sensor is mounted on the front of the engine near the crankshaft pulley . Looking from the front it is to the left of the crankshaft pulley and is triggered by the teeth which are machined into the crankshaft damper (Chilton) You can see it from underneath the Explorer