Power Steering Pump Replacement (LS4)

Fig 1: Exploded View Of Power Steering Pump

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
NOTE: Refer to Fastener Notice . Fastener Tightening Specifications: Refer to Fastener Tightening Specifications . Preliminary Procedures Place a drain pan under the vehicle. Remove the drive belt. Refer to Drive Belt Replacement - Accessory for the 5.3L engine. Remove the power steering pump pulley. Refer to Power Steering Pulley Replacement (LS4) or Power Steering Pulley Replacement (LZ4/LZE/LZ9) . Fill and bleed the power steering system after the repair has been completed. Refer to Power Steering System Bleeding .
1	Clamp, Power Steering Pump Hose Tip: Use an appropriate tool to remove the power steering fluid from the reservoir before relocating the clamp. Also plug the end of the hose between the reservoir and the power steering pump to limit the leakage of the steering fluid.
2	Fitting, Power Steering High Pressure Hose Tighten: 27 N.m (20 lb ft)
3	Bolt, Power Steering Pump (Qty: 3) Tighten: 25 N.m (18 lb ft)
4	Pump, Power Steering