The whole pump is bad. The pulley is non-replaceable, and is permanently attached to a shaft that goes into the pump assembly. This rides on a set of bearings internal to the pump, when these bearings fail the fit becomes sloppy & the squealing starts. Get it replaced before it seizes or falls out and you lose your whole serpentine belt.
Power steering pulley puller Snapon?
Power steering usually powered by that pulley.
That requires the use of a power steering pulley PULLER. ( A special tool ) The pulley is pressed on.
Power steering belt slipping?
slipping power steering belt , worn or loose .
how to remove a power steering pulley on a 1997 Nissan altima
This requires a power steering pulley puller. This puller is designed to remove and install a power steering pulley without damage to the pulley and or pump. Attempting to do this without the puller will result in damaging the pulley or the pump or both.
Begin by removing the power steering pump belt from your 1991 Cadillac power steering pump pulley. Remove the power steering pump pulley retaining bolt. The retaining bolt will be in the center of the pulley.
It requires a power steering pulley PULLER. You can rent them at some parts stores.
Power Steering Fluid Or Power Steering Pump
That requires a special PULLER. Need a power steering pulley Puller.
It is not possible to remove the power steering pulley on a 1997 Buick Le Sabre without removing the power steering pump.