GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Chevy P12 Chassis 🢒 Steering 🢒 Power Steering System 🢒 Steering Gear Replacement

Removal Procedure
  1. Position the front wheels and steering wheel straight ahead.

    2. Object Number: 227947 Size: SH
  2. Mark the position of the steering gear input shaft and the cardan joint (1) of the lower steering shaft.
  3. Remove the cardan joint nut (4) and the washer.
  4. Remove the cardan joint bolt (2) and the washer.
  5. Gently pry the cardan joint off from the steering gear input shaft.
  6. Remove the pitman arm. Refer to Pitman Arm Replacement in Steering Linkage.

    7. Notice: Avoid contaminating the power steering system. Cap open hoses and ports to prevent dirt and debris from entering system. Contaminated power steering fluid and dirt can cause early parts failure.

  7. Place a container under the power steering gear in order to catch the fluid when disconnecting the power steering hoses.

    8. Object Number: 247461 Size: SH
  8. Remove the power steering hose from the steering gear fitting with adapter.

    9. Object Number: 247460 Size: SH
  9. Remove the power steering inlet hose from the steering gear adapter.

    10. Object Number: 247462 Size: SH
  10. Remove the following components from the vehicle:
    11. • The mounting nuts (3)
    • The washers
    • The mounting bolts (1)
    • The steering gear (2)

Installation Procedure

    Object Number: 247462 Size: SH

    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.

  1. Install the steering gear (2) onto the vehicle.
  2. Secure the steering gear with the mounting nuts (3) and washers.

    3. Tighten
    Tighten the power steering gear mounting nuts to 330 N·m (243 lb ft).


    Object Number: 247460 Size: SH
  3. Position the power steering inlet hose on to the steering gear adapter mounting stud.

    4. Tighten
    Tighten the fitting nut to 43 N·m (32 lb ft).


    Object Number: 247461 Size: SH
  4. Install the upper power steering hose to the steering gear fitting.

    5. Tighten
    Tighten the fitting nut to 43 N·m (32 lb ft).

  5. Install the pitman arm. Refer to Pitman Arm Replacement .

    6. Object Number: 227947 Size: SH
  6. Align the marks on the cardan joint (1) and the steering gear input shaft.
  7. Position the cardan joint on to the steering gear
  8. Lubricate the joint. Refer to Fluid and Lubricant Recommendations .
  9. Install the cardan joint washer and the bolt (2).
  10. Install the cardan joint washer and the nut (4).

    11. Tighten
    Tighten the cardan nut to 61 N·m (45 lb ft).

  11. Bleed the power steering system. Refer to Power Steering System Bleeding .
  12. Ensure that the steering wheel is centered and wheels are pointed straight ahead.