GM Service Manual Online
For 1990-2009 cars only

Steering Gear Replacement Automatic Transmission

Removal Procedure

  1. Raise the vehicle on a hoist. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the front suspension crossmember. Refer to Front Suspension Crossmember Replacement in Front Suspension.

  3. Object Number: 490396  Size: SH
  4. Remove the power steering gear mounting bolts (3).
  5. Remove the power steering gear (1) from the front suspension support assembly (2).

Installation Procedure


    Object Number: 490396  Size: SH
  1. Install the power steering gear (1) to the front suspension crossmember (2).
  2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the power steering gear mounting bolts (3)
  4. Tighten
    Tighten the bolts to 120 N·m (89 lb ft).

  5. Install the front suspension support assembly. Refer to Front Suspension Crossmember Replacement in Front Suspension.
  6. Lower the vehicle.

Steering Gear Replacement Manual Transmission

  1. Raise the vehicle on a hoist. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  3. Remove the power steering hoses from the power steering gear. Refer to the following procedures:
  4. •  Power Steering Pressure Pipe/Hose Replacement
    •  Power Steering Return Hose Replacement
  5. Remove the tie rods from the steering knuckle. Refer to Rack and Pinion Outer Tie Rod End Replacement .
  6. Remove the brake pipes from the retainers on the front suspension support.
  7. Remove the lower pinch bolt from the intermediate shaft. Refer to Intermediate Steering Shaft Replacement in Steering Column - Standard.

  8. Object Number: 490396  Size: SH
  9. Support the front suspension support (2) with a suitable jack stand.
  10. Remove the front suspension crossmember mounting bolts. Refer to Front Suspension Crossmember Replacement in Front Suspension.
  11. Lower the front suspension support (2) in order to remove the power steering gear (1).
  12. Remove the power steering gear mounting bolts (3).
  13. Remove the power steering gear from the vehicle.

Installation Procedure


    Object Number: 490396  Size: SH
  1. Install the power steering gear (1) to the vehicle.
  2. Install the power steering gear mounting bolts (3).
  3. Hand tighten the bolts.

  4. Raise the front suspension support (2) into position on the vehicle.
  5. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  6. Install the front suspension support mounting bolts.
  7. Tighten

    1. Tighten the left rear outboard bolt to 110 N·m (71 lb ft).
    2. Tighten the right rear outboard bolt to 110 N·m (71 lb ft).
    3. Tighten the rear inboard bolts to 110 N·m (71 lb ft).
    4. Tighten the power steering gear mounting bolts to 120 N·m (89 lb ft).
  8. Install the lower pinch bolt to the intermediate shaft. Refer to Intermediate Steering Shaft Replacement in Steering Wheel and Column - Standard.
  9. Install the brake pipes to the retainers on the front suspension support.
  10. Install the tie rod ends to the steering knuckle. Refer to Rack and Pinion Outer Tie Rod End Replacement .
  11. Install the power steering hoses to the power steering gear. Refer to the following procedures:
  12. •  Power Steering Pressure Pipe/Hose Replacement
    •  Power Steering Return Hose Replacement
  13. Install the tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  14. Bleed the power steering system. Refer to Power Steering System Bleeding .
  15. Align the front wheels. Refer to Wheel Alignment Measurement in Wheel Alignment.