Removal Procedure

Place a drain pan under the vehicle.
Remove the air cleaner assembly.
Remove the power steering pump pulley. Refer to Power Steering Pulley Replacement .
Disconnect the power steering pressure hose from the power steering gear.

Fig 1: Disconnecting Power Steering Pressure Hose (4.3L)
Courtesy of GENERAL MOTORS CORP.
Disconnect the power steering cooler hose from the power steering pump.

Fig 2: Disconnecting Power Steering Cooler Hose (4.3L)
Courtesy of GENERAL MOTORS CORP.
Disconnect the air reactor tube from the lower reactor tube.
Remove the air reactor pipe lower retaining nut.
Disconnect the air reactor pipe from the check valve and remove reactor pipe.

Fig 3: Removing Air Reactor Tube & Pipe (4.3L)
Courtesy of GENERAL MOTORS CORP.
Remove the power steering pump filler neck tube mounting bolt.
Remove the power steering pump filler neck tube.

Fig 4: Removing Power Steering Pump Filler Neck Tube & Bolt (4.3L)
Courtesy of GENERAL MOTORS CORP.
Remove the power steering rear mounting bracket nut from the engine stud.

Fig 5: Removing Power Steering Rear Mounting Bracket Nut (4.3L)
Courtesy of GENERAL MOTORS CORP.
Remove the power steering pump front mounting bolts.

Fig 6: Removing Power Steering Pump Front Mounting Bolts (4.3L)
Courtesy of GENERAL MOTORS CORP.
Loosen the accessory mounting bracket bolts and nuts and pull accessory mounting bracket forward.
Remove the power steering pump and power steering pressure hose from the vehicle.
IMPORTANT: Note the position of the power steering pressure hose to the power steering pump to ensure proper installation to the vehicle.
Remove the power steering pressure hose from the power steering pump.

Fig 7: Removing Power Steering Pump (4.3L)
Courtesy of GENERAL MOTORS CORP.