Power Steering Pump Replacement (LZ4/LZE/LZ9)

Fig 1: Identifying Power Steering Pump Components

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedures Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement for the 3.5L engine or to Intake Manifold Cover Replacement for the 3.9L engine. Place drain pans under the vehicle. Remove as much power steering fluid from the reservoir as possible. Remove the drive belt. Refer to Drive Belt Replacement for the 3.5L engine or Drive Belt Replacement for the 3.9L engine. Remove the power steering pump pulley. Refer to Power Steering Pump Pulley Replacement (LZ4/LZE/LZ9) .
1	Power Steering Pump Bolt (Qty: 3) CAUTION: Refer to Fastener Caution . Tighten: 25 N.m (18 lb ft)
2	Power Steering High Pressure Hose Fitting Tighten: 34 N.m (25 lb ft)
3	Power Steering Return Hose Clamp Tip: Position the clamp rearward in order to remove the hose from the pump.
4	Power Steering Pump Procedure After the installation is complete, fill and bleed the power steering system. Refer to Power Steering System Bleeding . Remove the drain pans.