GM Service Manual Online
For 1990-2009 cars only

Steering Gear Replacement LHD

Tools Required

    • J 42640 Steering Column Anti - Rotation Pin
    • J 24319-B Steering Linkage & Tie Rod Puller

Removal Procedure


    Object Number: 333146  Size: SH

    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.

  1. Install J 42640 into the access hole in the lower steering column trim cover in order to lock the steering column.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Remove the tires and wheels. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.

  4. Object Number: 575833  Size: SH
  5. Remove the outer tie rod ends retaining nuts (2).

  6. Object Number: 643351  Size: SH
  7. Using J 24319-B separate the outer tie rod ends from the steering knuckles.

  8. Object Number: 105357  Size: SH
  9. Remove the intermediate shaft lower pinch bolt.
  10. Disconnect the intermediate shaft from the power steering gear.
  11. Remove the power steering gear heat shield. Refer to Steering Gear Heat Shield Replacement .

  12. Object Number: 521323  Size: SH
  13. Remove the rear transmission mount upper mounting nuts (1).
  14. Disconnect the variable effort steering electrical connector, if equipped.
  15. Install a drain pan under the vehicle.

  16. Object Number: 337376  Size: SH
  17. Disconnect the power steering pressure and return pipes (1 & 2) from the power steering gear.

  18. Object Number: 337379  Size: SH
  19. Remove the power steering gear mounting bolts.
  20. Install a jack under the rear portion of the engine frame.

  21. Object Number: 290804  Size: SH
  22. Remove the rear mounting bolts (6) from the engine frame.
  23. Caution: The frame must be properly supported before partially lowering. The frame should not be lowered any further than needed to gain access to the steering gear.

  24. Lower the rear portion of the engine frame.
  25. Remove the power steering gear from the RH side of the vehicle.

Installation Procedure


    Object Number: 290804  Size: SH
  1. Install the power steering gear to the vehicle.
  2. Raise the rear portion of the engine frame.
  3. 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.

  4. Install the rear engine frame mounting bolts (6).
  5. Tighten
    Tighten the rear engine frame mounting bolts to 192 N·m (142 lb ft).


    Object Number: 521323  Size: SH
  6. Install the transmission mount upper mounting nuts (1).
  7. Tighten
    Tighten the transmission mount upper mounting nuts to 50 N·m (37 lb ft).


    Object Number: 337379  Size: SH
  8. Install power steering gear mounting bolts.
  9. Tighten
    Tighten the power steering mounting bolts to 120 N·m (89 lb ft).


    Object Number: 337376  Size: SH
  10. Connect the power steering pressure and return lines (1 & 2) to the power steering gear.
  11. Tighten
    Tighten the pressure and return lines to 30 N·m (22 lb ft).

  12. Remove the drain pan from under the vehicle.
  13. Connect the variable effort steering electrical connector.
  14. Install the power steering gear heat shield. Refer to Steering Gear Heat Shield Replacement .

  15. Object Number: 575833  Size: SH
  16. Install the outer tie rod ends to the steering knuckles.
  17. Install the outer tie rod ends retaining nuts (2).
  18. Tighten
    Tighten the outer tie rod ends retaining nuts to 47 N·m (35 lb ft).


    Object Number: 105357  Size: SH
  19. Install the intermediate shaft to the power steering gear.
  20. Install the intermediate shaft pinch bolt.
  21. Tighten
    Tighten the intermediate shaft pinch bolt to 45 N·m (33 lb ft).

  22. Install the tires and wheels. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  23. Lower the vehicle.

  24. Object Number: 333146  Size: SH
  25. Remove the J 42640 from the steering column.
  26. Bleed the power steering system. Refer to Power Steering System Bleeding .
  27. Adjust front toe. Refer to Front Toe Adjustment in Wheel Alignment.

Steering Gear Replacement RHD

Removal Procedure


    Object Number: 333146  Size: SH

    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.

  1. Install J 42640 into the lower steering column trim cover access hole in order to lock the steering column.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Remove the tires and wheels. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.

  4. Object Number: 575833  Size: SH
  5. Remove the outer tie rod ends retaining nuts (2).

  6. Object Number: 643351  Size: SH
  7. UsingJ 24319-B separate the outer tie rod ends from the steering knuckle.
  8. Disconnect the RSS link from the lower control arms.
  9. Remove the power steering gear heat shield. Refer to Steering Gear Heat Shield Replacement .
  10. Remove the intermediate shaft lower pinch bolt.
  11. Disconnect the intermediate shaft from the power steering gear.
  12. Disconnect the variable effort steering electrical connector, if equipped.

  13. Object Number: 521323  Size: SH
  14. Remove the rear transmission mount upper mounting nuts (1).
  15. Disconnect the brake line brackets from the engine frame.
  16. Place a drain pan under the vehicle.

  17. Object Number: 460600  Size: SH
  18. Remove the power steering pressure (3) and return hose from the power steering gear.
  19. Remove the power steering gear mounting bolts.
  20. Caution: The frame must be properly supported before partially lowering. The frame should not be lowered any further than needed to gain access to the steering gear.

  21. Support the rear of the engine frame.

  22. Object Number: 290804  Size: SH
  23. Remove the engine frame rear mounting bolts (6).
  24. Lower the rear of the engine frame approximately 101 mm (4 in).
  25. Remove the upper transmission mount bracket mounting bolts.
  26. Remove the upper transmission mount bracket.
  27. Remove the LH stabilizer shaft insulator. Refer to Stabilizer Shaft Insulator Replacement in Front Suspension.
  28. Remove the power steering gear from the vehicle out the LH wheelwell.

Installation Procedure


    Object Number: 290804  Size: SH
  1. Install the power steering gear to the vehicle through the LH wheelwell.
  2. Install the LH stabilizer shaft insulator. Refer to Stabilizer Shaft Insulator Replacement in Front Suspension.
  3. Install the upper transmission mount bracket.
  4. 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.

  5. Install the upper transmission mount bracket mounting bolts.
  6. Tighten
    Tighten the upper transmission mount bracket mounting bolts to 50 N·m (37 lb ft).

  7. Raise the rear of the engine frame.
  8. Install the engine frame rear mounting bolts (6).
  9. Tighten
    Tighten the engine frame rear mounting bolts to 192 N·m (142 lb ft).

  10. Remove the engine frame support.
  11. Install the power steering gear mounting bolts.

  12. Object Number: 460600  Size: SH
  13. Install the power steering pressure (3) and return hose to the power steering gear.
  14. Tighten
    Tighten the power steering and return hoses to the power steering gear to 30 N·m (22 lb ft).

  15. Remove the drain pan from under the vehicle.
  16. Connect the brake line brackets to the engine frame.

  17. Object Number: 521323  Size: SH
  18. Install the rear transmission mount upper mounting nuts (1).
  19. Tighten
    Tighten the rear transmission mount upper mounting nuts to 50 N·m (37 lb ft).

  20. Connect the variable effort steering electrical connector, if equipped.
  21. Connect the intermediate shaft to the power steering gear.
  22. Install the intermediate shaft lower pinch bolt.
  23. Tighten
    Tighten the intermediate shaft lower pinch bolt to 45 N·m (33 lb ft).

  24. Install the power steering gear heat shield. Refer to Steering Gear Heat Shield Replacement .
  25. Connect the RSS link to the lower control arms.

  26. Object Number: 575833  Size: SH
  27. Install the outer tie rod ends retaining nuts (2).
  28. Tighten
    Tighten the outer tie rod ends retaining nuts to 47 N·m (35 lb ft).

  29. Install the outer tie rod ends to the steering knuckle.
  30. Install the tires and wheels. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  31. Lower the vehicle.

  32. Object Number: 333146  Size: SH

    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.

  33. Remove J 42640 from the lower steering column trim cover access hole.
  34. Bleed the power steering system. Refer to Power Steering System Bleeding .
  35. Adjust the front toe. Refer to Front Toe Adjustment in Wheel Alignment.