It probably requires a special pulley removing tool that grips the pulley in three places and uses a center bolt to tighten up to pull the pulley.
How to remove waterpump drive pulley from end of camshaft.1999 cadillac deville northstar engine?
Well, you can rent a pulley installer/puller from a local part store to remove and install your pulley.
Workwitit
Workwitit
