GM Service Manual Online
For 1990-2009 cars only

Power Steering Pump Replacement LZ4


Object Number: 1774493  Size: MF

Callout

Component Name

Preliminary Procedures

  1. Remove the power steering pump pulley. Refer to Power Steering Pump Pulley Replacement .
  2. Remove the drive belt idler pulley. Refer to Drive Belt Idler Pulley Replacement .
  3. Remove as much power steering fluid from the power steering fluid reservoir as possible.
  4. Place drain pans under the vehicle as needed.

1

Engine Lift Bracket Bolt (Qty: 3)

Notice: Refer to Fastener Notice in the Preface section.

Tighten
50 N路m (37 lb ft)

2

Engine Lift Bracket

3

Power Steering Gear Inlet Hose

Tip
Discard the and install a NEW power steering gear inlet hose O-ring seal prior to installation of the hose.

Tighten
27 N路m (20 lb ft)

4

Power Steering Reservoir Inlet Hose

5

Power Steering Pump Bolt (Qty: 3)

Tighten
25 N路m (18 lb ft)

6

Power Steering Pump

Procedure

Fill and bleed the power steering system. Refer to Power Steering System Bleeding .

Tip
Clean any excess power steering fluid from the vehicle.

Power Steering Pump Replacement LY7


Object Number: 1873597  Size: MF

Callout

Component Name

Preliminary Procedures

  1. Remove the drive belt. Refer to Drive Belt Replacement .
  2. Remove the right front tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  3. Remove as much power steering fluid from the remote power steering fluid reservoir as possible.
  4. Place drain pans under the vehicle as needed.

1

Power Steering Fluid Reservoir Outlet Hose Clamp

2

Power Steering Fluid Reservoir Outlet Hose

3

Power Steering Gear Inlet Hose

Notice: Refer to Fastener Notice in the Preface section.

Procedure

Discard the and install a NEW power steering gear inlet hose O-ring seal prior to installation of the hose.

Tighten
27 N路m (20 lb ft)

4

Engine Mount Adapter Bolt

Tighten
58 N路m (43 lb ft)

5

Power Steering Pump Bolt

Tighten
50 N路m (37 lb ft)

6

Power Steering Pump

Procedure

  1. Remove the power steering pump pulley. Refer to Power Steering Pump Pulley Replacement .
  2. Remove the engine mount adapter bracket bolts.
  3. Remove the engine mount adapter bracket.
  4. Fill and bleed the power steering system. Refer to Power Steering System Bleeding .

Tip
Clean any excess power steering fluid from the vehicle.

Tighten
9 N路m (80 lb in)