GM Service Manual Online
For 1990-2009 cars only

Power Steering Pump Replacement LZ4/LZE/LZ9


Object Number: 1609659  Size: MF

Callout

Component Name

Preliminary Procedures

  1. Remove the drive belt. Refer to Drive Belt Replacement for the 3.5L engine or Drive Belt Replacement for the 3.9L engine.
  2. Remove the power steering pump pulley. Refer to Power Steering Pump Pulley Replacement.
  3. Remove the intake manifold Cover. Refer to Intake Manifold Cover Replacement for the 3.5L engine or Intake Manifold Cover Replacement for the 3.9L engine.

1

Power Steering Pump Bolt (Qty: 3)

Caution: Refer to Fastener Caution in the Preface section.

Tip
Use an appropriate tool to remove the power steering fluid from the reservoir before removing the hoses from the pump.

Tighten
25 N·m (18 lb ft)

2

Power Steering High Pressure Hose Fitting

Tighten
27 N·m (20 lb ft)

3

Power Steering Return Hose Clamp (at pump)

Tip
Position the clamp rearward to remove the hose from the pump.

4

Power Steering Pump

Power Steering Pump Replacement LS4


Object Number: 1571707  Size: MF

Callout

Component Name

Preliminary Procedures

  1. Place a drain pan under the vehicle.
  2. Remove the drive belt. Refer to Drive Belt Replacement - Accessory.
  3. Remove the power steering pump pulley. Refer to Power Steering Pump Pulley Replacement.
  4. Fill and bleed the power steering system after the repair has been completed. Refer to Power Steering System Bleeding.

1

Power Steering Pump Hose Clamp

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

Power Steering High Pressure Hose Fitting

Caution: Refer to Fastener Caution in the Preface section.

Tighten
27 N·m (20 lb ft)

3

Power Steering Pump Bolt (Qty: 3)

Tighten
25 N·m (18 lb ft)

4

Power Steering Pump