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 radiator air intake baffle. Refer to AIR INTAKE BAFFLE REPLACEMENT - RADIATOR in Body Front End.
Install a drain pan under the vehicle.
Disconnect the power steering hose assembly from the power steering cooler.

Fig 1: Disconnecting Power Steering Hose Assembly From Power Steering Cooler (4.2L)
Courtesy of GENERAL MOTORS CORP.
Remove the power steering cooler mounting bolts.

Fig 2: Removing Power Steering Cooler Mounting Bolts (4.2L)
Courtesy of GENERAL MOTORS CORP.
Remove the power steering cooler from the radiator support.

Fig 3: Removing Power Steering Cooler From Radiator Support (4.2L)
Courtesy of GENERAL MOTORS CORP.