GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

    • J 24319-B Steering Linkage and Tierod Puller
    • J 42640 Steering Column Lock Pin

    Object Number: 333146  Size: SH
  1. Loosen the left power steering gear mounting bolts (accessed through the engine compartment.
  2. Raise the vehicle using a suspension contact hoist. Support the vehicle. Refer to Lifting and Jacking the Vehicle
  3. Remove both front tires and wheels. Refer to Tire and Wheel Removal and Installation
  4. Remove the catalytic convertor to the front exhaust pipe retaining nuts.
  5. Separate the exhaust pipe flange from the catalytic convertor.
  6. Remove the gasket from the catalytic convertor.
  7. Caution: Failure to disconnect the intermediate shaft from the rack and pinion stub shaft can result in damage to the steering gear and/or intermediate shaft. This damage can cause loss of steering control which could result in personal injury.

    Notice: The wheels of the vehicle must be straight ahead and the steering column in the LOCK position before disconnecting the steering column or intermediate shaft from the steering gear. Failure to do so will cause the coil assembly in the steering column to become uncentered which will cause damage to the coil assembly.

  8. Remove the intermediate shaft pinch bolt.
  9. Disconnect the intermediate shaft from the steering gear.

  10. Object Number: 643351  Size: SH
  11. Remove the tie rod end retaining nuts.
  12. Separate the tie rod ends from the steering knuckle using the J 24319-B .

  13. Object Number: 293350  Size: SH
  14. Unsnap and remove the power steering heat shield.
  15. Disconnect the Magnasteer® electrical connector from the steering gear.

  16. Object Number: 337376  Size: SH
  17. Remove the power steering inlet and outlet hoses (1,2) from the power steering gear. Refer to Power Steering Return Hose Replacement and Power Steering Pressure Pipe/Hose Replacement .

  18. Object Number: 337379  Size: SH
  19. Remove the left power steering gear mounting bolts (lift from the mounting holes).
  20. Remove the right power steering gear mounting bolt.
  21. Support the rear of the transmission.
  22. Remove the rear transmission mount retaining bolts.
  23. Lower the rear of the transmission and remove the support from the rear of the transmission.

Installation Procedure


    Object Number: 337379  Size: SH
  1. Install the steering gear through the right wheel opening.
  2. Raise the rear of the frame.
  3. Install the frame bolts. Refer to Frame Replacement in Frame and Underbody.
  4. Remove the engine support from under the rear of the engine cradle.
  5. Raise and support the rear of the transmission.
  6. Install the rear transmission mount retaining bolts.
  7. Remove and lower the transmission support.
  8. 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.

  9. Install the steering gear mounting bolts.
  10. Tighten
    Tighten the bolts in the sequence shown to 65 N·m (48 lb ft).


    Object Number: 337376  Size: SH
  11. Install the power steering hoses (1,2) to the power steering gear. Refer to Power Steering Return Hose Replacement and Power Steering Pressure Pipe/Hose Replacement .

  12. Object Number: 293350  Size: SH
  13. Install the power steering heat shield.

  14. Object Number: 470653  Size: SH
  15. Install the tie rod ends to the steering knuckles.
  16. Tighten
    Tighten the tie rod nuts to 47 N·m (35 lb ft).

  17. Connect the intermediate shaft to the steering gear.
  18. Tighten
    Tighten the intermediate shaft pinch bolt to 47 N·m (35 lb ft).

  19. Install the gasket to the catalytic converter to the front exhaust pipe flange.
  20. Install the catalytic convertor to the front exhaust flange.
  21. Install tire and wheels. Refer to Tire and Wheel Removal and Installation .
  22. Lower the vehicle.
  23. Fill and bleed the power steering reservoir. Refer to Checking and Adding Power Steering Fluid .
  24. Bleed the power steering system. Refer to Power Steering System Bleeding .
  25. Inspect the power steering system for leaks.
  26. Perform a wheel alignment. Refer to Wheel Alignment Specifications