Removal Procedure

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Remove the power steering pump. Refer to POWER STEERING PUMP REPLACEMENT (4.2L) or POWER STEERING PUMP REPLACEMENT (5.3L) .
Secure the power steering pump in a vise, taking care not to damage the power steering reservoir.
Using the J 25034-C, remove the power steering pump pulley.

Fig 1: Removing Power Steering Pump Pulley (5.3L)
Courtesy of GENERAL MOTORS CORP.